CN103624806A

CN103624806A - Bidirectionally-pushed art knife and adjusting device of bidirectionally-pushed art knife

Info

Publication number: CN103624806A
Application number: CN201210298867.0A
Authority: CN
Inventors: 许志玮
Original assignee: Shunde Industry Co Ltd
Current assignee: SDI Corp; Shunde Industry Co Ltd
Priority date: 2012-08-21
Filing date: 2012-08-21
Publication date: 2014-03-12
Anticipated expiration: 2032-08-21
Also published as: CN103624806B

Abstract

The invention relates to a bidirectionally-pushed art knife and an adjusting device of the bidirectionally-pushed art knife. The bidirectionally-pushed art knife is provided with the adjusting device which is movably arranged on an outer shell and connected to a knife holder, and the adjusting device comprises an upper adjuster, a lower adjuster and an elastic sheet, wherein the lower adjuster is connected with the upper adjuster, and the elastic sheet is arranged on the lower adjuster to be capable of being buckled with a sawtooth part of the knife holder. The cross section of the upper adjuster is in an L shape, the upper adjuster is provided with a top face and a lateral wall, the top face and the lateral wall of the upper adjuster correspond to the body top face of the outer shell and the lateral wall, provided with a sliding rail, of a body of the outer shell respectively, a rail groove is formed in the upper adjuster, the part, forming the lateral edge face of the sliding rail, of the lateral wall of the body can be contained in the rail groove in a sliding mode, and the art knife convenient to operate is accordingly formed.

Description

The cutter of two-way push and adjusting device thereof

Technical field

The present invention is about a kind of cutter and adjusting device thereof, espespecially a kind of cutter and adjusting device thereof that can two-way push.

Background technology

Cutter is a kind of in order to cut the conventional document apparatus of stationery etc., on the whole existing cutter is to be provided with an adjusting device that can move relative to this tool rest in a tool rest, by promoting this adjusting device, tool rest can be released or be retracted into one blade, and can make blade be positioned predetermined extension elongation, with the person of being used in conjunction with different cut job requirements, existing cutter is just like No. M390212 " U.S. cutter work adjusting device " new patent case (being designated hereinafter simply as with reference to case one) of TaiWan, China, with reference to the adjusting device of case one, be slidably disposed in a tool rest and with a blade and be connected, its adjusting device consists predominantly of an adjusted device, once adjuster and a shell fragment, adjusted device, lower adjuster fastens and combination mutually by a cramp and a catching groove, adjusted device is slidably disposed on position on the chute of tool rest side again, so, can blade be stretched out or retraction tool rest by promoting adjusted device, reach the object of controlling blade.

Yet, existing as be on the whole tabular with reference to the adjusted device of case one adjusting device, therefore the single pushing surface that is subject to of tool only, so only can carry out unidirectional promotion operation with specific direction or holding mode, have in the use many inconvenience and restriction, in addition, the structural form that coordinates existing adjusting device, chute on existing art designing knife seat is mostly arranged on the middle section position place of tool rest side, and the sizable width of tool, and so foreign matter is easy to enter tool rest inside and affects the smoothness that cutter operates.

No. 281141st, TaiWan, China " easy to assemble so that more the cutter structure of allowing blade replacement " new patent case (being designated hereinafter simply as with reference to case two) again, it is provided with a push button, though the L-shaped cross section of this push button, to provide two to be subject to pushing surface to promote this push button for user with different directions, but the push button with reference to case two is the structural form that is solid memder, and do not have a positioning blade function, therefore user need continue to push against push button when cutting, can make blade be held in the position of stretching out, in operation, also have many inconvenience and restriction.

Chinese patent discloses No. 101269491 " cutoff tool " disclosure of the invention case (being designated hereinafter simply as with reference to case three) again, adjusting device with reference to case three is a slider, but the slider structure with reference to case three is comparatively complicated, and also can only be the promotion operation of single direction, in use, have in fact the need for further improvement.

Summary of the invention

Therefore, the inventor, because existing cutter and adjusting device thereof the disappearance in structure and use is special through constantly test and research, develops a kind of the present invention who improves existing disappearance finally.

Main purpose of the present invention is to provide a kind of cutter and adjusting device thereof of two-way push, and adjusting device of the present invention can allow user's energy two-way push and operate easily cutter, to reach the object that promotes cutter overall utility.

For reaching above-mentioned purpose, the present invention mainly provides a kind of cutter of two-way push, and it includes:

One shell, includes a hollow body, on a sidewall of this body, is provided with a slide rail;

One is placed in this intrinsic hollow tool rest, is formed with a sawtooth portion on this tool rest;

One is arranged on this shell movably, and be connected to the adjusting device of this tool rest, this adjusting device includes an adjusted device, the one lower adjuster and being connected with this adjusted device be arranged on this lower adjuster and can with the shell fragment of this sawtooth portion phase buckle of this tool rest, the cross section of this adjusted device is L-shaped, this adjusted utensil has an end face and a sidewall, this end face of this adjusted device and this sidewall of this adjusted device are respectively with respect to the end face of this body and be provided with the sidewall of this slide rail, and be provided with a rail groove on this adjusted device, this rail groove is the part of this sidewall formation slide rail lateral margin face of accommodating this body slidably, and

One is connected with this adjuster and is placed in movably the blade in this tool rest.

The present invention also provides a kind of adjusting device of cutter, and it includes:

One adjusted device, the cross section of this adjusted device is L-shaped, this adjusted utensil has an end face and a sidewall, and be convexly equipped with and be formed with positioning piece on the medial surface of this sidewall of this adjusted device, in between this keeper and this sidewall, be formed with a rail groove, this rail groove is the part of the side wall of outer shell formation slide rail lateral margin face of an accommodating cutter slidably;

The one lower adjuster being connected with this adjusted device; And

One is arranged at the shell fragment on this lower adjuster.

The present invention can reach following effect and promote part:

1. because the cross section of adjusted device of the present invention is L-shaped, therefore the person of being easy to use makes adjusted device move along the slide rail on body by end face, sidewall or the connecting portion between the two of pushing and pressing adjusted device, to control the extension elongation of blade, user can be not limited to fixing direction and be subject to pushing surface when operation adjusting device of the present invention, the convenience in the time of can improving cutter operation.

2. because the slide rail width on shell of the present invention can suitably dwindle, to avoid the internals of cutter to expose to shell, except preventing that foreign matter from entering enclosure and hindering the normal operating of cutter, also can improve the aesthetic property of cutter outward appearance, improve the wish that consumer buys.

3. between adjusted device of the present invention and lower adjuster, can utilize keeper and connecting support to form one L shaped against relation, improve the structural stability of adjusted device, lower adjuster combination, make the promotion of adjusting device and the operation can be more certain.

4. the present invention can utilize the pushing and pressing projection seat that extends to position, shell fragment clubfoot stage casing, increases contact area and the pushing and pressing strength of adjusted device pushing and pressing clubfoot, shell fragment can be more positively pushed and depart from the blocking state with sawtooth portion.

5. the present invention utilizes and formedly between adjusted device and keeper escapes the shift motion that hole can extend the relative slide rail of adjusted device, and the length of stretching out shell to increase blade, coordinates different user demands, improves the practicality of cutter integral body.

Accompanying drawing explanation

Fig. 1 is the stereo appearance figure of cutter of the present invention.

Fig. 2 is three-dimensional exploded view of the present invention.

Fig. 3 is the present invention along the amplification profile of looking closely of the A-A hatching of Fig. 1.

Fig. 4 is the local upper pseudosection that amplifies of the present invention.

Fig. 5 is the three-dimensional exploded view of adjusting device of the present invention.

Fig. 6 is side cutaway view of the present invention.

Fig. 7 is the local upper pseudosection that amplifies of the present invention.

Main element symbol description

10 ... shell 12 ... body

122 ... room 124 ... slide rail

126 ... communication channel 13 ... combination slot

131 ... combination slot 132 ... combination rib

134 ... buckling groove 18 ... bonnet

182 ... composed chamber 183 ... depressed part

184 ... combination ditch 186 ... button piece

20 ... tool rest 22 ... locator slide

24 ... sawtooth portion 30 ... adjusting device

32 ... adjusted device 322 ... fin

324 ... cramp 326 ... pushing and pressing protuberance

328 ... pushing and pressing projection seat 33 ... keeper

332 ... horizontal part 334 ... joint portion

336 ... escape hole 34 ... rail groove

36 ... lower adjuster 362 ... connecting portion

364 ... connecting support 366 ... catching groove

38 ... shell fragment 382 ... clubfoot

40 ... blade L ... center line

L1 ... length L 2 ... length

W1 ... width W 2 ... width

W3 ... width

The specific embodiment

The invention provides a kind of cutter and adjusting device thereof of two-way push, please refer to Fig. 1, 2, in figure, can see, cutter of the present invention includes a shell 10, one tool rest 20, one adjusting device 30 and a blade 40, wherein to can be plastic material made for this shell 10, please coordinate again referring to Fig. 3, this shell 10 includes body 12 and a bonnet 18 of a hollow, in this body 12, be formed with a microscler room 122 extending longitudinally along body 12, and before body 12, rear two ends form respectively the opening being communicated with room 122, on a sidewall of body 12, be provided with again one along body 12 microscler slide rail 124 extending longitudinally, this slide rail 124 is arranged on the place, top position of body 12 sidewall centre line L, and the end face close to body 12, wherein the centre line L of sidewall refers to that one is roughly divided into this sidewall, lower two-part line, the rear end of slide rail 124 is connected with the opening of body 12 rear ends, the front end of slide rail 124 is communicated with separately and not with body 12 front ends, in body 12, be provided with again a communication channel 126 between room 122 and slide rail 124, this communication channel 126 is also extending longitudinally along body 12, and communication channel 126 is connected with slide rail 124 with room 122 simultaneously, and slide rail 124 can be connected with room 122 by communication channel 126, the width W 2 of communication channel 126 is less than the width W 1 of room 122 but is greater than the width W 3 of slide rail 124 again, as shown in Figure 3.

This bonnet 18 is arranged at the rear end of body 12 and the open rearward end of enclosed body 12, please refer to Fig. 1, 2, 4, bonnet 18 can be general longitudinal or non-longitudinal combination mode and body 12 covers mutually, general longitudinal referring to as with reference to case one wherein, with reference to case third-class with along body 12 longitudinal combination bonnets 18 on body 12, but not longitudinal combination refer to bonnet 18 can along body 12 end faces etc. other non-along body 12 longitudinally directional combination on body 12, when if bonnet 18 combines with body 12 in non-longitudinal combination mode, the position that can be positioned in body 12 two sides rear end is concaved with respectively the combination slot 13 of two arcs, combination slot 131, combination slot 13, combination slot 131 is extended to the place, nearly bottom surface of body 12 and is not connected with body 12 bottom surfaces by the end face of body 12, in combination slot 13, the bottom surface of combination slot 131 convexes with respectively a combination rib 132, wherein combination slot 13 is arranged on this sidewall of body 12 formation slide rails 124, and another combination slot 131 is arranged on this body 12 and differs from the opposing sidewalls that forms slide rail 124, combination slot 13 is connected with slide rail 124 rear ends and communication channel 126 again, combination slot 131 bottom surfaces are separately provided with a buckling groove 134.And bonnet 18 is hollow form and be formed with one can accommodating body 12 rear ends composed chamber 182, in bonnet 18, coordinate combination slot 13 with the ora terminalis that body 12 rear ends cover, the shape of combination slot 131, and in bonnet 18 ora terminalis bottoms places, be formed with depressed part 183, on relative two internal faces of Ling Yu composed chamber 182, be formed with respectively a combination ditch 184 can be respectively combining with combination rib 132 on body 12, on one internal face of Qie Yu composed chamber 182, be convexly equipped with and be formed with a button piece 186 that can buckle into buckling groove 134 on body 12, so, by combination slot 13 on body 12, the depressed part 183 of combination slot 131 and bonnet 18 ora terminalis coordinating in shape, can allow bonnet 18 by the end face of body 12 towards the directional combination of bottom surface in body 12 rear ends, and with existing general different along the mode of body 12 longitudinal combinations, with the form that provides another kind of bonnet to be combined with body, moreover utilize combination ditch 184 and button piece 186 respectively with the mutually combining of combination rib 132 and buckling groove 134, can make bonnet 18 firmly combine with body 12.

Please refer to Fig. 1,2,3, this tool rest 20 is placed in the room 122 of body 12 of shell 10, this tool rest 20 is microscler and hollow form, the front opening of extended shell 10 bodies 12 of front end of tool rest 20, in tool rest 20, in the face of on the sidewall of slide rail 124, be formed with a microscler locator slide 22, and be formed with a sawtooth portion 24 on a lateral margin face of locator slide 22.

This adjusting device 30 is mounted slidably on shell 10 and is connected to tool rest 20, it includes an adjusted device 32, once adjuster 36 and a shell fragment 38, please refer to Fig. 2, 3 and 5, wherein the cross section of adjusted device 32 is L-shaped and have an end face and a sidewall, and the end face of adjusted device 32 and sidewall are respectively with respect to the end face of body 12 and be provided with the sidewall of slide rail 124, and the end face of adjusted device 32 and the connecting portion between sidewall are curved and can slightly be recess, in adjusted device 32 sidewalls, on the medial surface of shell 10, be convexly equipped with the keeper 33 that is formed with a L-shaped cross section, one end of keeper 33 forms a horizontal part 332, another end forms a joint portion 334, this horizontal part 332 is connected with adjusted device 32 sidewalls, and be placed in slidably in the slide rail 124 of body 12, and joint portion 334 slightly parallels with the sidewall of body 12, and make the sidewall of adjusted device 32 and 334 of the joint portions of keeper 33 be formed with a rail groove 34, and this rail groove 34 is the part of the sidewall formation slide rail 124 lateral margin faces of accommodating body 12 slidably, by the setting of rail groove 34, can make adjusted device 32 firmly along slide rail 124, move, moreover, in adjusted device 32 end faces and sidewall, on the medial surface of shell 10, can convex with respectively the fin 322 of a tool smooth surface, and the fin 322 of adjusted device 32 end faces and sidewall is resisted against respectively end face and the sidewall of body 12, and by the setting of tool smooth surface fin 322, can improve the smoothness of adjusted device 32 when slide rail 124 moves.

This lower adjuster 36 combines with this adjusted device 32, and be mounted slidably in tool rest 20, these lower adjuster 36 one end extend to form a connecting portion 362 in order to be connected with blade 40, in lower adjuster 36, on a side of adjusted device 32, be convexly equipped with and be formed with a connecting support 364, this connecting support 364 stretches out the locator slide 22 of tool rest 20 and is placed in slidably in the communication channel 126 of body 12, this connecting support 364 combines with adjusted device 32, lower adjuster 36 can be moved relative to tool rest 20 for adjusted device 32 drives, wherein, can on adjusted device 32, be convexly equipped with and be formed with a cramp 324, and on the connecting support 364 of lower adjuster 36, be provided with one can with the catching groove 366 of cramp 324 phase buckles, to see through cramp 324, make adjusted device 32 with catching groove 366, lower adjuster 36 mutually combines, the cramp 324 of adjusted device 32 can directly be convexly set on the sidewall of adjusted device 32 and maybe can be arranged on the joint portion 334 of keeper 33 again, and the joint portion 334 of keeper 33 can be resisted against on the side of connecting support 364.

Please be simultaneously referring again to Fig. 4, 6, this shell fragment 38 is an elastic strip body, it is accommodating be positioned lower adjuster 36 within, shell fragment 38 two ends bend inwards respectively and are extended with two clubfoots 382 that pass lower adjuster 36, match buckle and form a buckle end with the sawtooth portion 24 of tool rest 20 in one end of two clubfoots 382, and the buckle end bendable of this two clubfoot 382 is converted into circular-arc, wherein the buckle end of two clubfoots 382 passes the end face of the connecting support 364 of lower adjuster 36, on adjusted device 32, can convex with again two pushing and pressing protuberances 326, to be resisted against respectively the buckle end of 38 liang of clubfoots 382 of shell fragment, two pushing and pressing protuberances 326 can be inclined plane in order to push against the end face of shell fragment 38 clubfoots 382 relatively, wherein two pushing and pressing protuberances 326 can be convexly set on the joint portion 334 of keeper 33 horizontal-extending, and pushing and pressing protuberance 326 can be resisted against the end face of lower adjuster 36 connecting supports 364, so, two pushing and pressing protuberances 326 are except can be in order to push against the buckle end of corresponding clubfoot 382, by being resisted against respectively the end face of connecting support 364 and the pushing and pressing protuberance of side 326 and joint portion 334 on keeper 33, can allow 364 of keeper 33 and connecting supports form one L shaped against relation, to improve adjusted device 32, the structural stability of 36 combinations of lower adjuster, moreover, on the relative end of two pushing and pressing protuberances 326, can be convexly equipped with again a pushing and pressing projection seat 328, this pushing and pressing projection seat 328 is greater than the extension elongation of pushing and pressing protuberance 326 towards the extension elongation of this lower adjuster 36, and make to push against projection seat 328 extensible and be resisted against the position, stage casing of the buckle end of clubfoot 382 relatively, so can improve the contact area of adjusted device 32 pushing and pressing clubfoots 382, and then the strength of lifting pushing and pressing clubfoot 382.

Thus, after adjusting device 30 being mounted on shell 10 and tool rest 20, please refer to Fig. 1, 6, can allow the end face of adjusted device 32 and end face and the sidewall of the body 12 that sidewall corresponds respectively to shell 10, so user is after gripping shell 10, the end face of available finger pushing and pressing adjusted device 32, sidewall or connecting portion between the two make adjusted device 32 move along the slide rail 124 on body 12, and drive lower adjuster 36 to move relative to tool rest 20 simultaneously, and the blade 40 that makes to be connected with lower adjuster 36 stretches out or the front opening of retraction shell 10, and utilize the blocking of 24, sawtooth portion on the clubfoot 382 of shell fragment 38 and tool rest 20 to make blade 40 be positioned required extension elongation, therefore, user can be not limited to fixing direction and be subject to pushing surface when operation adjusting device 30 of the present invention, convenience in the time of can improving cutter operation.

Secondly, slide rail 124 width on shell 10 can suitably dwindle, and to avoid the internals of cutter to expose to shell 10, except avoiding foreign matter to enter shell 10 inside, hinder the normal operating of cutter, also can improve the aesthetic property of cutter outward appearance, improve the wish that consumer buys.

Again please refer to Fig. 7, the length L 2 of the horizontal part 332 of keeper 33 can be less than the length L 1 of adjusted device 32, so, can between the end face of keeper 33 and adjusted device 32 and sidewall, be formed with and escape hole 336, the setting of escaping hole 336 by this can extend the shift motion of adjusted device 32 relative slide rails 124, and then can increase the length that blade 40 stretches out shell 10, to coordinate different user demands, improve the practicality of cutter integral body.

As shown in the above, different modifications and changes can be reached not departing under the spirit of essence of the present invention and the scope of novel concept, and the specific embodiment that the present invention discloses is not in order to limit the present invention, and this disclosure comprises all modifications under the category that falls into appended claim scope.

Claims

1. a cutter for two-way push, is characterized in that, it includes:

One adjusting device, be arranged at movably on this shell, and be connected to this tool rest, this adjusting device includes an adjusted device, the one lower adjuster and being connected with this adjusted device be arranged on this lower adjuster and with the shell fragment of this sawtooth portion phase buckle of this tool rest, the cross section of this adjusted device is L-shaped, this adjusted utensil has an end face and a sidewall, this end face of this adjusted device and this sidewall of this adjusted device are respectively with respect to the end face of this body and be provided with the sidewall of this slide rail, this adjusted device is provided with a rail groove, this rail groove is the part of this sidewall formation slide rail lateral margin face of accommodating this body slidably, and

One blade, is connected with this adjusting device and is placed in movably in this tool rest.

2. the cutter of two-way push as claimed in claim 1, it is characterized in that, this sidewall in this adjusted device is convexly equipped with the keeper that is formed with a L-shaped cross section on the medial surface of this shell, one end of this keeper forms a horizontal part, the other end forms a joint portion, this horizontal part is connected with this sidewall of this adjusted device, and is placed in slidably in this slide rail of this body, and this rail groove is formed between this sidewall of this adjusted device and this joint portion of this keeper.

3. the cutter of two-way push as claimed in claim 2, is characterized in that, the length of this horizontal part of this keeper is less than the length of this adjusted device, between this end face of this keeper and this adjusted device and this sidewall of this adjusted device, is formed with and escapes hole.

4. the cutter of two-way push as claimed in claim 3, is characterized in that, the connecting portion between this end face of this adjusted device and this sidewall of this adjusted device is curved.

5. the cutter of the two-way push as described in claim 2,3 or 4, it is characterized in that, in this end face of this adjusted device and this sidewall of this adjusted device, on the medial surface of this shell, convex with respectively the fin of a tool smooth surface, this two fin of this adjusted device be resisted against respectively this shell this body this end face and be provided with the sidewall of this slide rail.

6. the cutter of two-way push as claimed in claim 5, it is characterized in that, in this lower adjuster, on a side of this adjusted device, be convexly equipped with and be formed with a connecting support, on this connecting support, be provided with a catching groove, in this adjusted device be provided with one with the cramp of this catching groove phase buckle.

7. the cutter of two-way push as claimed in claim 6, is characterized in that, this cramp is arranged on this joint portion of this keeper, and this joint portion of this keeper is resisted against on the side of this connecting support.

8. the cutter of two-way push as claimed in claim 7, it is characterized in that, these shell fragment two ends are bent to form respectively two clubfoots that pass this lower adjuster, matching buckle with this sawtooth portion of this tool rest and form a buckle end in one end of this two clubfoot, in this adjusted device, is provided with the two pushing and pressing protuberances that are resisted against respectively this buckle end of this two clubfoot of this shell fragment.

9. the cutter of two-way push as claimed in claim 8, it is characterized in that, this two pushing and pressing protuberance of this adjusted device be horizontal-extending be convexly set in this joint portion of this keeper, this two pushing and pressing protuberance is inclined plane in order to push against the end face of this buckle end of this two clubfoot of this shell fragment relatively.

10. the cutter of two-way push as claimed in claim 9, it is characterized in that, on the relative end of this two pushing and pressing protuberance, convex with respectively a pushing and pressing projection seat, this pushing and pressing projection seat is greater than this pushing and pressing protuberance towards the extension elongation of this lower adjuster towards the extension elongation of this lower adjuster.

The cutter of 11. two-way push as claimed in claim 10, is characterized in that, this two pushing and pressing protuberance is resisted against the end face of this connecting support of this lower adjuster.

The cutter of 12. two-way push as claimed in claim 11, is characterized in that, this sidewall that this body is provided with this slide rail has a center line, and this slide rail is arranged on the place, top position of this center line.

The cutter of 13. two-way push as claimed in claim 12, it is characterized in that, in this body of this shell, be formed with a microscler room extending longitudinally along this body, the front end of this body, rear end form respectively the opening being communicated with this room, in this body, be provided with a communication channel between this room and this slide rail, this communication channel is connected with this room and this slide rail, and this tool rest is arranged in this room, and this connecting support of this lower adjuster is contained in this communication channel slidably.

The cutter of 14. two-way push as claimed in claim 13, is characterized in that, the width of this communication channel is less than the width of this room but is greater than the width of this slide rail.

The cutter of 15. two-way push as claimed in claim 14, it is characterized in that, this shell separately includes a bonnet that is arranged on this rear end of this body, the position that this body two side of this shell is positioned at this rear end is concaved with respectively the combination slot of an arc, this two combination slot is extended to the place, nearly bottom surface of this body and is not connected with this bottom surface of this body by this end face of this body, this bonnet is hollow form and is formed with the composed chamber of accommodating this body rear end, the ora terminalis covering with this body rear end in this bonnet coordinates the shape of this two combination slot and is formed with depressed part in this place, bonnet ora terminalis bottom.

The cutter of 16. two-way push as claimed in claim 15, it is characterized in that, in this two combination slots bottom surface of this body of this shell, convex with respectively and on two relative internal faces of a combination Lei，Yu Gai bonnet composed chamber, be formed with respectively the combination ditch combining with this two combinations rib on this body.

The cutter of 17. two-way push as claimed in claim 16, it is characterized in that, this combination slot bottom surface that this body that is positioned at this shell differs from the opposing sidewalls that forms this slide rail is provided with a buckling groove, is convexly equipped with and is formed with a button piece that buckles into this buckling groove on this body on an internal face of this composed chamber of this bonnet.

The cutter of 18. two-way push as described in any one in claim 1 to 4, is characterized in that, this sidewall that this body is provided with this slide rail has a center line, and this slide rail is arranged on the place, top position of this center line.

The cutter of 19. two-way push as claimed in claim 18, it is characterized in that, in this body of this shell, be formed with a microscler room extending longitudinally along this body, the front end of this body, rear end form respectively the opening being communicated with this room, in this body, be provided with a communication channel between this room and this slide rail, this communication channel is connected with this room and this slide rail, and this tool rest is arranged in this room.

The cutter of 20. two-way push as claimed in claim 19, is characterized in that, the width of this communication channel is less than the width of this room but is greater than the width of this slide rail.

The cutter of 21. two-way push as described in any one in claim 1 to 4, it is characterized in that, this shell separately includes a bonnet that is arranged on this body rear end, the position that this body two side of this shell is positioned at this rear end is concaved with respectively the combination slot of an arc, this two combination slot is that the end face by this body extends to the place, nearly bottom surface of this body and is not connected with this bottom surface of this body, this bonnet is hollow form and is formed with the composed chamber of accommodating this this rear end of body, the ora terminalis covering with this body rear end in this bonnet coordinates the shape of this two combination slot and is formed with depressed part in this place, bonnet ora terminalis bottom.

The cutter of 22. two-way push as claimed in claim 21, it is characterized in that, this two combination slots bottom surface in this body of this shell convexes with respectively a combination rib, is formed with respectively the combination ditch combining with this two combinations rib on this body on two relative internal faces of this composed chamber of this bonnet.

The cutter of 23. two-way push as claimed in claim 22, it is characterized in that, this combination slot bottom surface that this body that is positioned at this shell differs from the opposing sidewalls that forms this slide rail is provided with a buckling groove, is convexly equipped with and is formed with a button piece that buckles into this buckling groove on this body on an internal face of this composed chamber of this bonnet.

The adjusting device of 24. 1 kinds of cutters, is characterized in that, it includes:

One adjusted device, the cross section of this adjusted device is L-shaped, this adjusted utensil has an end face and a sidewall, on the medial surface of this sidewall of this adjusted device, be convexly equipped with and be formed with positioning piece, in between this keeper and this sidewall, be formed with a rail groove, this rail groove is the part of the side wall of outer shell formation slide rail lateral margin face of an accommodating cutter slidably;

Once adjuster, is connected with this adjusted device; And

One shell fragment, is arranged on this lower adjuster.

The adjusting device of 25. cutters as claimed in claim 24, it is characterized in that, the cross section of this keeper is L-shaped, one end of this keeper forms a horizontal part, the other end forms a joint portion, this horizontal part is connected with this sidewall of this adjusted device, and this rail groove is formed between this sidewall of this adjusted device and this joint portion of this keeper.

The adjusting device of 26. cutters as claimed in claim 25, it is characterized in that, the length of this horizontal part of this keeper is less than the length of this adjusted device, between this end face of this keeper and this adjusted device and this sidewall of this adjusted device, is formed with and escapes hole.

The adjusting device of 27. cutters as claimed in claim 26, is characterized in that, the connecting portion between this end face of this adjusted device and this sidewall of this adjusted device is curved.

The adjusting device of 28. cutters as described in claim 25,26 or 27, is characterized in that, convexes with respectively the fin of a tool smooth surface on the medial surface of this end face of this adjusted device and this sidewall of this adjusted device.

The adjusting device of 29. cutters as claimed in claim 28, it is characterized in that, in this lower adjuster, on a side of this adjusted device, be convexly equipped with and be formed with a connecting support, on this connecting support, be provided with a catching groove, on this adjusted device, be provided with one with the cramp of this catching groove phase buckle.

The adjusting device of 30. cutters as claimed in claim 29, is characterized in that, this cramp is arranged on this joint portion of this keeper, and this joint portion of this keeper is resisted against on the side of this connecting support.

The adjusting device of 31. cutters as claimed in claim 30, it is characterized in that, these shell fragment two ends are bent to form respectively two clubfoots that pass this lower adjuster, one end of this two clubfoot forms a buckle end, in this adjusted device, is provided with the two pushing and pressing protuberances that are resisted against respectively this buckle end of this two clubfoot of this shell fragment.

The adjusting device of 32. cutters as claimed in claim 31, it is characterized in that, this two pushing and pressing protuberance horizontal-extending ground on this adjusted device is convexly set in this joint portion of this keeper, and this two pushes against protuberance and relatively in order to push against the end face of this buckle end of this two clubfoot of this shell fragment, be inclined plane.

The adjusting device of 33. cutters as claimed in claim 32, is characterized in that, on the relative end of this two pushing and pressing protuberance, convexes with respectively a pushing and pressing projection seat, and this pushing and pressing projection seat is resisted against this position, buckle end stage casing of this two clubfoot.

The adjusting device of 34. cutters as claimed in claim 33, is characterized in that, this two pushing and pressing protuberance is resisted against the end face of this connecting support of this lower adjuster.

The adjusting device of 35. cutters as described in any one in claim 24 to 27, it is characterized in that, these shell fragment two ends are bent to form respectively two clubfoots that pass this lower adjuster, one end of this two clubfoot forms a buckle end, is provided with the two pushing and pressing protuberances that are resisted against respectively this buckle end of these shell fragment two clubfoots on this adjusted device.

The adjusting device of 36. cutters as claimed in claim 35, is characterized in that, this two pushing and pressing protuberance is inclined plane in order to push against the end face of this buckle end of this two clubfoot of this shell fragment relatively.

The adjusting device of 37. cutters as claimed in claim 36, is characterized in that, on the relative end of this two pushing and pressing protuberance, convexes with respectively a pushing and pressing projection seat, and this pushing and pressing projection seat is resisted against this position, buckle end stage casing of this two clubfoot.