CA2151980A1 - Mortar removing accessory - Google Patents
Mortar removing accessoryInfo
- Publication number
- CA2151980A1 CA2151980A1 CA 2151980 CA2151980A CA2151980A1 CA 2151980 A1 CA2151980 A1 CA 2151980A1 CA 2151980 CA2151980 CA 2151980 CA 2151980 A CA2151980 A CA 2151980A CA 2151980 A1 CA2151980 A1 CA 2151980A1
- Authority
- CA
- Canada
- Prior art keywords
- assembly
- reciprocating
- chisel
- accessory
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/0084—Implements for removing filling material from joints
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
A mortar removing accessory for use with a power tool adapted to impart a reciprocating motion, the accessory having a chisel assembly connected to the reciprocating portion of the power tool, a housing extending about the chisel assembly and having guide means for guiding the reciprocating chisel assembly in a direction different from the direction of movement of the reciprocating means. This permits a defective chiseling action to be imparted to the chisel.
Description
21~198~
Patent Application of Gilles Roy for a MORTAR REMOVING ACCE~SORY
Background - Field of the Invention The present invention relates to a mortar removing accessory and more particularly, relates to a mortar removing accessoryfor use with a tool having ~ ;lu~dLillg means.
Bd.,l~.u....~l-Prior Art Removal of mortar from between bricks or concrete blocks is conventionally performed by manual means which involves ll~" " "~, i"~ a mortar removing chisel between the blocks of material.
This operation is both time consuming and labour intensive. Still further, these conventional manual mortar removing procedures are potentially dangerous and generate excessive dust particles.
21~1980 Summarv o~ the Invent~on It is an object of the present invention to provide the mortar removing accessory which may be utilized with a ~ui~-ruud~ g means.
It is a further object of the present invention to provide a mortar removing accessory operable with a tool having I ~,.i,u, uudlil ,9 means wherein the accessory may be easily attached to the tool and provides for ~tljlI ' ' "~ to allow ease of use.
Accordingtooneaspectofthepresentinvention,thereisprovidedanaccessoryforusewith a tool having It:ui,ulu~dLillg means, the accessory being adapted to remove mortar. The accessory includes a chisel assembly means having one end thereof which is adapted to be connected to the r~;i,u~u~dLillg means to thereby impart a l~l.i,uluudlillg motion to the chisel assembly means. A
housing extends exteriorly of at least a portion of the chisel assembly with the housing preferably being securely attached to a frame or housing portion of the tool. The housing includes guide means for guiding the It:ui,~llucdLill~ assembly during its l~i,UlU- dlillg movement with the guide meansbeingadaptedtoimpartadirectionalmotiontothe,,~ ,,uudli,,gassemblydifferenttothe directional motion of the l~:-i,ulu~dlillg means.
The present invention, in one aspect, provides an accessory which is adapted to be used with a tool designed to provide a I ~ J, u~.dlil 19 motion. Such tools arc well known in the art and one such conventional tool is a It:ui,uluudLil ,9 saw.
21~198Q
The mortar removing accessory includes a portion d~aiul ~' as a chisel assem~ly and which assembly is adapted to be connected to the ~ , U~;dlil 19 portion or rt:ui~u, U-~dlil 19 means of the tool. Depending upon the design of the tool, various ll ~e~:l Idl liUdl means for co~ g the chisel assemblytothe,~ .,uudli"gmeansormembermaybeemployed.Thus,varioustypesoffasteners 5 could be utilized.
The chisel assembly includes, at the end remote from where it is attached to the r~uilJIucdlillgmember,achiselorknifememberwhichisadaptedtocontactthemortarandremove the same. As will be discussed in the preferred ~",b~di",~ , one dlldl,g~"l~"lemploys a chisel 10 having an angled portion to assist in the removal of the mortar.
Extending at IQast partially about the chisel assembly and secured to the frame of the I ~:Ui,lJI UUdlil 19 tool is a housing. The housing may be secured in any convenient fashion to the tool and thus, suitable ",e~.l,a"i~;dl fastening means may be employed. The housing includes guide 15 means for guiding the r~-,iu,u~,dli"g assembly in Its II~Uil.llUUd~ill9 motion. In particular, the guide means are adapted to impart a different direction to the l`~::Ui,~JluCd~ill9 assembly other than that direction imparted by the rt~ .,u~,dlillg member.
Theguidemeansmayconvenientlycompriseplatememberswhichareadaptedtocooperate 20 with rollers on the r~:~.i,u~ Ul,dlil 19 assembly to minimize friction during the guiding action. The guide meansarepreferablydesignedtodeflectther~ .,u~dli"gassemblyfromitsotherwisestraightpath of travel. By so doing, a more effective chiseling action is imparted to the chisel member.
21~1980 Thc assembly may also conveniently include a guide plate which is designed to rest on the wall or surface from which the mortar is being removed. As is conventional for such guide plates in tools an aperture or slot is provided to allow for passage of the chisel assembly therethrough.
For ease of use, the assembly will also include a handle connected to the housing.
Preferably, the handle is adjustable to different O~ d~iUII::~ which allows for ease of uso of the accessory.
Briet D~sc~i~,lion of the Drawings Having thus generally described the invention reference will be made to the d. ~or,Iua~ Iying drawings illustrating an ~",bodi",~"Ithereof, in which:
FIGURE 1: is a perspective view of a l~ JlUL;d~ tool using a mortar removing accessory according to the present invention;
IGURE 2: is a perspective view illustrating use of the l~ JlU~ dlil ,9 tool and mortar removing accessory of figure 1;
20 FIGURE 3: is a top plan view partially in section of the attachment shown in Figures 1 and 2;
IGURE 4: is a sectional view taken along the lines 4-4 of Figure 3;
~ 215~98~
FIGURE 5: is a side elevational view of the mortar removing ac.;~ssùry;
FIGURE 6: is an enlarged view illustrating operation of the guide plate and movement thereof;
FIGURE 7: is a expanded view illustrating the adjustment of the guide plate mechanism of Figure 6;
FIGURE 8: is a side elevational view of the chisel assembly forming a portion of the mortar removing dLL~ , and i o FIGURES 9 AND 10: illustrate movement of the chisei assembly within the housing.
Detailed De~ n In greater detail, and referring to the drawings by reference characters thereto, figures 1 and 2 show a 1~ ;i,UlU~,d~ill9 tool generally d~iullc.~d by reference numeral 10 to which is secured a mortar removing accessory 11. As previously mentioned, l~ui~JIu~.dLillg tool 10 may be any convenient tool such as a l~i,UIU~;d~illg saw or the like driven by suitable means such as uulll~ ased air or an electric motor.
Accessory 11 includes a housing 12 and as may be best seen from figure 3, housing 12 has at one end thereof a first pair of parallel side walls 14 and 16 having apertures 10 therein and which continue on to merge with inwardly angled side wall portions 20 and 22 I~ e-,ti~lcly. Inwardly angled walls such as 20 and 22 in turn merge with a second pair of parallel side wall portions 24 and 26 respectively.
Extending between second parallel side walls 24 and 26 are a hrst pair of a planer guide members 28 and 30 and a second pair of planer guide members 32 and 34. As may be seen in hgure 4 guide members 28 and 30 are parallel and substantially parallel to the side edges of the side walls 24 and 26. Guide members 32 and 34, on the other hand, are parallel but slightly angled with respect to the edges of side walls 24 and 26 for reasons which will become apparent lle, ~i"I.el~ .. .
Accessory 11 also includes a chisel assembly generally d~iyl ' by reference numeral 36 and which may be seen in figures 8 to 10. Chisel assembly 36 includes an end piece 38 having an aperture 40 formed therein along with a key way 42 formed. Chisel assembly 36 also includes a "U"-shaped portion generally d~:7iyl Idl~d by numeral 44 comprised of a second end piece 46 and a pair of arms or walls 48, 50 extending from end piece 46 to end piece 38. End piece 38 is rotatably journalled with respect to arms 48 and 50.
11 ll~l l l ,e,lidlt: arms or walls 48 50 and rotatably journalled therebetween are a first roller 52 and a second roller 54. End piece 46 has a roller generally de:,iyl IdL~d by reference numeral 56 .0 mounted thereon. 11~13asably mounted within end piece 46 is a chisel 58 which is retained therein by means by a setscrew dl, dl 19t:11 ,e"~ 59.
Chisel 58 comprises a shaft portion 60 having at one end thereof an angled face 62 and a '~ 21~1980 chisel point 64.
Tho mortar removing accessory further includes a guide plate generally d~siu,,d~d by reference numeral 66 and which guide plate 66 has an opening 68 formed therein for a passage of chisel 58. A pair of upwardly extending flanges 70 and 72 permit the mounting of guide plate 66 to the exl-~:",i~i~s of walls 24 and 26 through nut and bolt ~ ,~ generally d~ ,lld~d by reference numeral 74.
A guide plate locking dl~dl)gt~ is provided and is illustrated in detail in Figure 7. The O locking d~ ~d~ "~en~ comprises a locking element 90 having a tab member 92 at one end thereof to permit movement of element 90. To this end, there is provided a slot 94 through which pass screws 98 which are screw threadably el~yd~,~dbl~ with wall 26. Mounted i~ " "e.Jidl~ element 90 and wall 26 is a spring tensioning 96.
A handle assembly comprises a handle receiving portion 76 which is in the form of a semi-circular member having a groove 78 formed therein. A handle 80 having a threaded element 82 at one extremity thereof is adapted to fit slidingly within groove 78 and is retained by means of wing nut 84.
0 In operation, chisel assembly is attached to the I t:-;i,U~ U~dli~ l9 means of a l ~,i,Ul U.;d~il l9 tool 10. Chisel assembly 36 is attached to ~ JIUUd~ 9 tool 10 through end piece 38 by means of aperture 40 and key way 42. As previously mentioned, end piece 38 is rotatably journalled with respect to arms 48 and 50 and thus is movable with respect thereto. Housing 12 fits about chisel 21~1~83 assembly 36 and is suitably secured to the ~t:ui~JlucdLillg tool body 10 by screws 17 which pass through apertur2s 18 and are screw threadably engagable with the body of tool 10.
As may be seen in Figures 9 and 10, r~ u~dlilly movement of chisel assembly 36 as indicated by arrow A will cause roller 54 to be engaged between guide members 32 and 34 which will impart an angular movement to chisel assembly 36 and chisel 58. As such the normally ullidi,~.tiol,al movement of the le~ nuudli"g tool will be translated into an angular movement of chisel 58.
o During operation, guide roller 56 rides between sidewalls 24 and 26. Guide plate 66 is adapted to rest on the surface to be chiselled as may be seen in figure 2. Guide plate 66 is rotatably or pivotally mounted to permit changing of the angle of chisel with respect to the material to be removed.
Also, as will be readily understood from the above de~ ioll, handle 80 can be easily adjusted to any convenient working position. Thus, loosening of the handle 80 from wing nut 84 will pennit turning of thc handle to a desired location following which tightening will retain the handle in the desired position.
o It will be understood that the above described ~",I,~di"~"lare for purposes of illustration only and that changed and " ~ ~s may be made thereto without departing from the spirit and scope of the invention.
Patent Application of Gilles Roy for a MORTAR REMOVING ACCE~SORY
Background - Field of the Invention The present invention relates to a mortar removing accessory and more particularly, relates to a mortar removing accessoryfor use with a tool having ~ ;lu~dLillg means.
Bd.,l~.u....~l-Prior Art Removal of mortar from between bricks or concrete blocks is conventionally performed by manual means which involves ll~" " "~, i"~ a mortar removing chisel between the blocks of material.
This operation is both time consuming and labour intensive. Still further, these conventional manual mortar removing procedures are potentially dangerous and generate excessive dust particles.
21~1980 Summarv o~ the Invent~on It is an object of the present invention to provide the mortar removing accessory which may be utilized with a ~ui~-ruud~ g means.
It is a further object of the present invention to provide a mortar removing accessory operable with a tool having I ~,.i,u, uudlil ,9 means wherein the accessory may be easily attached to the tool and provides for ~tljlI ' ' "~ to allow ease of use.
Accordingtooneaspectofthepresentinvention,thereisprovidedanaccessoryforusewith a tool having It:ui,ulu~dLillg means, the accessory being adapted to remove mortar. The accessory includes a chisel assembly means having one end thereof which is adapted to be connected to the r~;i,u~u~dLillg means to thereby impart a l~l.i,uluudlillg motion to the chisel assembly means. A
housing extends exteriorly of at least a portion of the chisel assembly with the housing preferably being securely attached to a frame or housing portion of the tool. The housing includes guide means for guiding the It:ui,~llucdLill~ assembly during its l~i,UlU- dlillg movement with the guide meansbeingadaptedtoimpartadirectionalmotiontothe,,~ ,,uudli,,gassemblydifferenttothe directional motion of the l~:-i,ulu~dlillg means.
The present invention, in one aspect, provides an accessory which is adapted to be used with a tool designed to provide a I ~ J, u~.dlil 19 motion. Such tools arc well known in the art and one such conventional tool is a It:ui,uluudLil ,9 saw.
21~198Q
The mortar removing accessory includes a portion d~aiul ~' as a chisel assem~ly and which assembly is adapted to be connected to the ~ , U~;dlil 19 portion or rt:ui~u, U-~dlil 19 means of the tool. Depending upon the design of the tool, various ll ~e~:l Idl liUdl means for co~ g the chisel assemblytothe,~ .,uudli"gmeansormembermaybeemployed.Thus,varioustypesoffasteners 5 could be utilized.
The chisel assembly includes, at the end remote from where it is attached to the r~uilJIucdlillgmember,achiselorknifememberwhichisadaptedtocontactthemortarandremove the same. As will be discussed in the preferred ~",b~di",~ , one dlldl,g~"l~"lemploys a chisel 10 having an angled portion to assist in the removal of the mortar.
Extending at IQast partially about the chisel assembly and secured to the frame of the I ~:Ui,lJI UUdlil 19 tool is a housing. The housing may be secured in any convenient fashion to the tool and thus, suitable ",e~.l,a"i~;dl fastening means may be employed. The housing includes guide 15 means for guiding the r~-,iu,u~,dli"g assembly in Its II~Uil.llUUd~ill9 motion. In particular, the guide means are adapted to impart a different direction to the l`~::Ui,~JluCd~ill9 assembly other than that direction imparted by the rt~ .,u~,dlillg member.
Theguidemeansmayconvenientlycompriseplatememberswhichareadaptedtocooperate 20 with rollers on the r~:~.i,u~ Ul,dlil 19 assembly to minimize friction during the guiding action. The guide meansarepreferablydesignedtodeflectther~ .,u~dli"gassemblyfromitsotherwisestraightpath of travel. By so doing, a more effective chiseling action is imparted to the chisel member.
21~1980 Thc assembly may also conveniently include a guide plate which is designed to rest on the wall or surface from which the mortar is being removed. As is conventional for such guide plates in tools an aperture or slot is provided to allow for passage of the chisel assembly therethrough.
For ease of use, the assembly will also include a handle connected to the housing.
Preferably, the handle is adjustable to different O~ d~iUII::~ which allows for ease of uso of the accessory.
Briet D~sc~i~,lion of the Drawings Having thus generally described the invention reference will be made to the d. ~or,Iua~ Iying drawings illustrating an ~",bodi",~"Ithereof, in which:
FIGURE 1: is a perspective view of a l~ JlUL;d~ tool using a mortar removing accessory according to the present invention;
IGURE 2: is a perspective view illustrating use of the l~ JlU~ dlil ,9 tool and mortar removing accessory of figure 1;
20 FIGURE 3: is a top plan view partially in section of the attachment shown in Figures 1 and 2;
IGURE 4: is a sectional view taken along the lines 4-4 of Figure 3;
~ 215~98~
FIGURE 5: is a side elevational view of the mortar removing ac.;~ssùry;
FIGURE 6: is an enlarged view illustrating operation of the guide plate and movement thereof;
FIGURE 7: is a expanded view illustrating the adjustment of the guide plate mechanism of Figure 6;
FIGURE 8: is a side elevational view of the chisel assembly forming a portion of the mortar removing dLL~ , and i o FIGURES 9 AND 10: illustrate movement of the chisei assembly within the housing.
Detailed De~ n In greater detail, and referring to the drawings by reference characters thereto, figures 1 and 2 show a 1~ ;i,UlU~,d~ill9 tool generally d~iullc.~d by reference numeral 10 to which is secured a mortar removing accessory 11. As previously mentioned, l~ui~JIu~.dLillg tool 10 may be any convenient tool such as a l~i,UIU~;d~illg saw or the like driven by suitable means such as uulll~ ased air or an electric motor.
Accessory 11 includes a housing 12 and as may be best seen from figure 3, housing 12 has at one end thereof a first pair of parallel side walls 14 and 16 having apertures 10 therein and which continue on to merge with inwardly angled side wall portions 20 and 22 I~ e-,ti~lcly. Inwardly angled walls such as 20 and 22 in turn merge with a second pair of parallel side wall portions 24 and 26 respectively.
Extending between second parallel side walls 24 and 26 are a hrst pair of a planer guide members 28 and 30 and a second pair of planer guide members 32 and 34. As may be seen in hgure 4 guide members 28 and 30 are parallel and substantially parallel to the side edges of the side walls 24 and 26. Guide members 32 and 34, on the other hand, are parallel but slightly angled with respect to the edges of side walls 24 and 26 for reasons which will become apparent lle, ~i"I.el~ .. .
Accessory 11 also includes a chisel assembly generally d~iyl ' by reference numeral 36 and which may be seen in figures 8 to 10. Chisel assembly 36 includes an end piece 38 having an aperture 40 formed therein along with a key way 42 formed. Chisel assembly 36 also includes a "U"-shaped portion generally d~:7iyl Idl~d by numeral 44 comprised of a second end piece 46 and a pair of arms or walls 48, 50 extending from end piece 46 to end piece 38. End piece 38 is rotatably journalled with respect to arms 48 and 50.
11 ll~l l l ,e,lidlt: arms or walls 48 50 and rotatably journalled therebetween are a first roller 52 and a second roller 54. End piece 46 has a roller generally de:,iyl IdL~d by reference numeral 56 .0 mounted thereon. 11~13asably mounted within end piece 46 is a chisel 58 which is retained therein by means by a setscrew dl, dl 19t:11 ,e"~ 59.
Chisel 58 comprises a shaft portion 60 having at one end thereof an angled face 62 and a '~ 21~1980 chisel point 64.
Tho mortar removing accessory further includes a guide plate generally d~siu,,d~d by reference numeral 66 and which guide plate 66 has an opening 68 formed therein for a passage of chisel 58. A pair of upwardly extending flanges 70 and 72 permit the mounting of guide plate 66 to the exl-~:",i~i~s of walls 24 and 26 through nut and bolt ~ ,~ generally d~ ,lld~d by reference numeral 74.
A guide plate locking dl~dl)gt~ is provided and is illustrated in detail in Figure 7. The O locking d~ ~d~ "~en~ comprises a locking element 90 having a tab member 92 at one end thereof to permit movement of element 90. To this end, there is provided a slot 94 through which pass screws 98 which are screw threadably el~yd~,~dbl~ with wall 26. Mounted i~ " "e.Jidl~ element 90 and wall 26 is a spring tensioning 96.
A handle assembly comprises a handle receiving portion 76 which is in the form of a semi-circular member having a groove 78 formed therein. A handle 80 having a threaded element 82 at one extremity thereof is adapted to fit slidingly within groove 78 and is retained by means of wing nut 84.
0 In operation, chisel assembly is attached to the I t:-;i,U~ U~dli~ l9 means of a l ~,i,Ul U.;d~il l9 tool 10. Chisel assembly 36 is attached to ~ JIUUd~ 9 tool 10 through end piece 38 by means of aperture 40 and key way 42. As previously mentioned, end piece 38 is rotatably journalled with respect to arms 48 and 50 and thus is movable with respect thereto. Housing 12 fits about chisel 21~1~83 assembly 36 and is suitably secured to the ~t:ui~JlucdLillg tool body 10 by screws 17 which pass through apertur2s 18 and are screw threadably engagable with the body of tool 10.
As may be seen in Figures 9 and 10, r~ u~dlilly movement of chisel assembly 36 as indicated by arrow A will cause roller 54 to be engaged between guide members 32 and 34 which will impart an angular movement to chisel assembly 36 and chisel 58. As such the normally ullidi,~.tiol,al movement of the le~ nuudli"g tool will be translated into an angular movement of chisel 58.
o During operation, guide roller 56 rides between sidewalls 24 and 26. Guide plate 66 is adapted to rest on the surface to be chiselled as may be seen in figure 2. Guide plate 66 is rotatably or pivotally mounted to permit changing of the angle of chisel with respect to the material to be removed.
Also, as will be readily understood from the above de~ ioll, handle 80 can be easily adjusted to any convenient working position. Thus, loosening of the handle 80 from wing nut 84 will pennit turning of thc handle to a desired location following which tightening will retain the handle in the desired position.
o It will be understood that the above described ~",I,~di"~"lare for purposes of illustration only and that changed and " ~ ~s may be made thereto without departing from the spirit and scope of the invention.
Claims (9)
1. A mortar removing accessory suitable for use with a tool having reciprocating means, the accessory comprising chisel assembly means having one end thereof adapted to be connected to said reciprocating means a housing extending exteriorly of at least a portion of said chisel assembly, said housing including guide means for guiding said reciprocating chisel assembly during its reciprocating movement, said guide means being adapted to guide said reciprocating assembly in a direction different than the direction of movement of the reciprocating means.
2. The accessory of claim 1 wherein said chisel assembly means includes a chisel member located at an end of said assembly opposed to the end connected to said reciprocating means.
3. The accessory of claim 1 wherein said end connected to said reciprocating means is pivotably mounted with respect to said chisel assembly to thereby permit said guide means to guide said assembly.
4. The accessory of claim 1 wherein said chisel assembly includes a plurality of rollers adapted to contact said guide means.
5. The accessory of claim 1 wherein said guide means comprise guide plate members, said rollers contacting said guide plate members.
6. The accessory of claim 1 wherein said housing is fixedly attached to a frame portion of said tool.
7. The accessory of claim 1 further including a guide plate, said guide plate being adapted to be connected to said housing, said guide plate including an opening formed therein to permit passage of said chisel assembly.
8. The accessory of claim 1 further including handle means, said handle means being adjustable to permit different orientations thereof.
9. In combination, a mortar removing assembly comprising a power tool having reciprocating means adapted to provide a reciprocating motion, a housing, a chisel assembly means connected to said reciprocating means, a housing about said chisel assembly means, said housing including guide means for guiding said reciprocating assembly during its reciprocating movement, said means for guiding being adapted to impart a directional motion to said chisel assembly different to the directional motion of said reciprocating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2151980 CA2151980A1 (en) | 1995-06-16 | 1995-06-16 | Mortar removing accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2151980 CA2151980A1 (en) | 1995-06-16 | 1995-06-16 | Mortar removing accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2151980A1 true CA2151980A1 (en) | 1996-12-17 |
Family
ID=4156063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2151980 Abandoned CA2151980A1 (en) | 1995-06-16 | 1995-06-16 | Mortar removing accessory |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2151980A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006078582A2 (en) * | 2005-01-18 | 2006-07-27 | Ritter, John | Reciprocating saw with attachments |
| NL1036690C2 (en) * | 2009-03-10 | 2010-09-13 | Tseng,Cheng-Hul | Brick cutter. |
-
1995
- 1995-06-16 CA CA 2151980 patent/CA2151980A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006078582A2 (en) * | 2005-01-18 | 2006-07-27 | Ritter, John | Reciprocating saw with attachments |
| WO2006078582A3 (en) * | 2005-01-18 | 2007-11-15 | Ritter John | Reciprocating saw with attachments |
| NL1036690C2 (en) * | 2009-03-10 | 2010-09-13 | Tseng,Cheng-Hul | Brick cutter. |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |