CN100358687C - Knife with teigger actuator for retractable bland - Google Patents
Knife with teigger actuator for retractable bland Download PDFInfo
- Publication number
- CN100358687C CN100358687C CNB03823727XA CN03823727A CN100358687C CN 100358687 C CN100358687 C CN 100358687C CN B03823727X A CNB03823727X A CN B03823727XA CN 03823727 A CN03823727 A CN 03823727A CN 100358687 C CN100358687 C CN 100358687C
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- China
- Prior art keywords
- blade bearing
- arm
- housing
- blade
- technological tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
- B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B1/00—Hand knives with adjustable blade; Pocket knives
- B26B1/08—Hand knives with adjustable blade; Pocket knives with sliding blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
- B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
- B26B5/003—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use comprising retraction means for the blade or the blade holder
Abstract
The present invention relates to a technologic knife (10) which is provided with a blade (25) which is arranged in a shell body (12) when is not used and extends out of the shell body when is used, a plurality of spare blades (25) are stored in the shell body, and the spare blades can be installed on a blade seat (14) when desired; the blade seat (14) can drive the blades (25) to move between an extend-out position and a retracted position by a trigger driver (24), and the blade seat (14) can be locked into a plurality of different positions.
Description
With reference to quoting
The inventor has quoted United States Patent (USP), the U.S. Patent application of enumerating or quoting and other file of enumerating or quote in this article in United States Patent (USP) and U.S. Patent application in this patent application.
Word " comprises ", " having " and " comprising " on the meaning be in this article be equal to and be open-ended, because any a project of back or the several project in these words of following all do not mean that it is the enumerating of limit of that project or those projects, do not mean that cited project or those projects of only limiting to yet.
Background of invention
The hand-held cutter of carton cutter and various practical art cuttves and so on is being widely used.Typically, technological tool has a time spent and can be extended to come and the time spent blade that can be contracted not.The user with he thumb forward or backward push blade blade is stretched out or withdraw, United States Patent (USP) 4,930,218 have described a kind of technological tool of routine.
Brief summary of the invention
The present invention has the many characteristics that will discuss one by one at this paper.Title is for after " detailed description of some embodiment of the present invention " that joint below having read for the reader, and how will understand these characteristics of the present invention provides its benefit.These benefits of the present invention include but not limited to: the user can be easily controls the stretching out and withdraw of blade of this technological tool with trigger mechanism, the ergonomic designs of holding part of technological tool is convenient to actuating and is triggered actuator mechanism (trigger mechanism), also has the locking device that blade can be locked in the position of selection, and a folded spare blade can be left in the storing position on the technological tool, the replacing of blade is very convenient.Be not limited to the scope of the present invention that the following claim book is explained, some characteristic of the present invention rather than its whole characteristics are:
One. have device as the housing of blade.Typically, housing has one and is available for users to grasp one of cutter and holds part.
Two. have the device that is used to carry a blade that is mounted thereon, blade bearing for example, it is configured to carry a blade mounted thereto removably, and this blade bearing is positioned in the housing at least in part.This blade bearing can move between a pre-extended position of retracted position, and blade mounted thereto when retracted position is in the housing, and at least a portion of blade mounted thereto projects outward from the housing when extended position.The guide rail that has the motion of at least one bootable blade bearing on the inner walls.The blade that is in a retracted position is in the housing typically fully.Blade bearing has a plurality of positions that make blade stretch out in housing.For example, a position in each position of blade bearing can make 1/2 length of blade mounted thereto project outward from the housing.Perhaps, first position that can be formed at blade bearing can make about 1/4th length of blade mounted thereto project outward from the housing, and, can make projecting outward from the housing of blade mounted thereto in second position of blade bearing at least about 3/8ths length.Typically, blade bearing the projecting outward from the housing of blade mounted thereto when extended position at least about sixth length.This technological tool can comprise a blade release, and its permission can be taken off from blade bearing with the handgrip blade when blade bearing is in extended position.
Three. have be used to drive unit that blade bearing is moved between retracted position and extended position, one is triggered driver (trigger actuator) and can finish this function.This triggering driver be connected in housing be close to hold the part and can be installed on hold the part and can move to a second place from a primary importance.Trigger driver and be installed into and can move to holding in the part, for example it can be installed into when it serves as a pivot with an end just with holding when pressing it.Perhaps, can be slidably mounted on housing triggering driver, it slides it actuating from the side.
Four. have the linkage that couples together of device (blade bearing) that is used for drive unit and carrying blade.Typically, a link gear (linkage assemblage) that is in the housing at least in part and is connected between triggering driver and the blade bearing can make the blade bearing motion.With holding when press triggering driver, move to its second place along with triggering driver from its primary importance, blade bearing is moved to extended position.Decontrol when triggering driver, move to its primary importance along with triggering driver from its second place, blade bearing is moved to retracted position.Link gear can comprise a plurality of connecting rods that couple together pivotly mutually, and one of them connecting rod is connected in blade bearing and another connecting rod is connected in the triggering driver.Each connecting rod is in overlap condition when the triggering driver is in the first position, and each connecting rod is in the state of drawing back when the triggering driver is in the second place.Link gear also can comprise a cam, and the wheel rim of cam acts on blade bearing and can make blade bearing move to extended position from retracted position.Make blade bearing get back to retracted position with a spring from extended position.
Five. this technological tool has one and pins part.A kind of pattern of this pinning part can remain on blade bearing extended position and be unblanked up to it.The another kind of pattern of pinning part can remain on blade bearing retracted position and be unblanked up to it, and, blade bearing can be remained on extended position and be unblanked up to it.The release member of an available hand actuating (release member) is used for unblanking to pinning part.Perhaps, need not to use at all and pin part, in such embodiments, available holding presses the triggering driver to make it move to the second place from primary importance, and as long as with holding pressure or holding the triggering driver, blade bearing just is maintained at extended position.One loosens triggering holding of driver, and blade bearing just is biased to get back to retracted position.For example, the elasticity return gear such as a spring can be used for automatically making blade bearing get back to retracted position.
Six. can adopt a release member, it has the button shape spare of an available hand actuating.This button shape spare projects outward from the housing.In one embodiment, button shape spare is positioned at a side of housing, and the be in one's hands thumb of stopping when holding part of user's hand just in time can be pushed this button shape spare.A finger outstanding from button shape spare puts in the housing, thumb during not according to press button shape spare finger be engaged in blade bearing, and when thumb press press button shape spare finger disengaging blade bearing.For example, can have one or several notch on the blade bearing, finger has just engaged with blade bearing when selecteed notch in these notches of finger element.In one embodiment, has the planform that a thumb that can guide the user removes to push release member on the outer surface of housing.The planform that plays guiding function like this is a groove on the side of housing.
These characteristics are of equal importance, are regardless of primary and secondary, and can not think limit to such enumerating.
According to an aspect of the present invention, provide a kind of technological tool to comprise: one has a housing of holding part; A blade bearing, it is mounted thereto that it is configured to can to pull down ground to a blade; Described blade bearing is at least in part in described housing and can move between a retracted position and an extended position, that blade mounted thereto when retracted position is in the described housing, and at least a portion of that blade mounted thereto stretches out in outside the described housing when extended position; One is triggered driver, and it is connected in described housing near the described part of holding, and is installed on and describedly holds part and can move to a second place to described holding in the part from a primary importance; And link gear in described housing at least in part, it is connected between described triggering driver and the described blade bearing, and can when described primary importance moves to the described second place, make described blade bearing move to described extended position, and can when moving to described primary importance, the described second place make described blade bearing move to described retracted position at described triggering driver at described triggering driver; Wherein, described link gear comprises first, second and the 3rd arm, and each arm all has first and second ends, and first end of described the first arm is pivotally connected to described blade bearing; First end of described second arm is pivotally connected to described housing; Second end of the described the first arm and second arm is connected to each other rotationally; First end of described the 3rd arm is pivotally connected to described triggering driver; In first end of described second arm and a bit between second end, second end of described the 3rd arm is pivotally connected to described second arm.
According to another aspect of the present invention, provide a kind of technological tool to comprise: a housing with certain-length, this housing has downside, fore-end and rear end part, and this rear end part is the part of holding that grasps cutter for the user when using this technological tool; A blade bearing that comprises a blade, this blade bearing is contained in the described housing and can moves between a retracted position and an extended position, described blade is in the described housing fully when described retracted position, and at least a portion of described blade is protruding from the described fore-end of described housing when described extended position; One is triggered driver, and its downside along described housing extends along its length near the described part of holding, while make the user can hold the described described triggering driver of part grip pressure actuating of holding; Described triggering driver is installed into can be by user's grip pressure move to a second place from a primary importance to described holding in the part, is pushed at least in part in the described housing at least a portion of the described triggering driver of this second place; When the user loosens it to the holding of described triggering driver, described triggering driver is forced to get back to described primary importance, and described triggering driver is connected in described blade bearing, at described triggering driver when described primary importance moves to the described second place, it makes described blade bearing move to described extended position, and when described triggering driver when the described second place moves to described primary importance, it makes described blade bearing move to described retracted position; And a link gear, it comprises first, second and the 3rd arm, and each arm all has first and second ends, and described first end of wherein said the first arm is pivotally connected to described blade bearing; Described first end of described second arm is pivotally connected to described housing; Described second end of described the first arm and described second arm is connected to each other rotationally; Described first end of described the 3rd arm is pivotally connected to described triggering driver; In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
According to of the present invention an aspect arranged, provide a kind of technological tool to comprise: a housing with certain-length, the rear end of this housing has a part of holding that can supply to grasp cutter: a blade bearing, this blade bearing is contained in the described housing and can moves between a retracted position and an extended position, and described blade bearing is configured to maintain at least one removable blade; One is triggered driver, and it is connected in described blade bearing and is installed on described housing near the described part of holding; Described triggering driver can move to a second place from a primary importance, is in described retracted position at the above blade bearing of described primary importance, and is in described extended position at the above blade bearing of the described second place; And a link gear, it comprises first, second and the 3rd arm, and each arm all has first and second ends, and described first end of wherein said the first arm is pivotally connected to described blade bearing; Described first end of described second arm is pivotally connected to described housing; Described second end of described the first arm and described second arm is connected to each other rotationally; Described first end of described the 3rd arm is pivotally connected to described triggering driver; In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
According to a further aspect of the invention, provide a kind of technological tool to comprise: a housing with certain-length, the bootable dress of this a housing blade bearing within it moves between a retracted position and an extended position, described blade bearing is configured to and can keeps at least one removable blade thereon, when described blade bearing is in described retracted position, described blade is fully collapsed in the described housing, and when described blade bearing was in described extended position, described blade stretched out in outside the described housing at least in part; One is triggered driver, and it can make described blade bearing move between described retracted position and described extended position; And the button shape spare that can use the hand actuating by the user, this button shape spare comprises one and the synergistic finger of described blade bearing, described button shape spare can be used to actuating and move between a locked position and a lockset position of coupler, described finger is engaged in described blade bearing and stops the motion of described blade bearing when locked position, and described finger and described blade bearing break away from so that described blade bearing can be pulled to an extended position when lockset position of coupler; And a link gear, it comprises first, second and the 3rd arm, and each arm all has first and second ends, and described first end of wherein said the first arm is pivotally connected to described blade bearing; Described first end of described second arm is pivotally connected to described housing; Second end of described the first arm and described second arm is connected to each other rotationally; Described first end of described the 3rd arm is pivotally connected to described triggering driver; In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
According to a further aspect of the invention, provide a kind of technological tool to comprise: a housing with certain-length, it is configured to a bootable blade bearing and moves between a retracted position and an extended position, and described blade bearing is configured to maintain at least one removable blade; One is connected in the triggering driver that described housing also is connected in described blade bearing, and described triggering driver optionally moves to a primary importance and makes described blade bearing move to a retracted position and optionally move to a second place and make described blade bearing move to described extended position from described primary importance; One can and comprise a button shape spare with the synergistic finger of described blade bearing by user's actuating, described button shape spare can be pushed to a locked position, be engaged in described blade bearing and stop described blade bearing motion in the above finger of this locked position, described button shape spare also can be used hand actuating to a lockset position of coupler, breaks away from so that described blade bearing can be moved to described extended position and be moved to described retracted position when described triggering driver is moved to a second place when described triggering driver is moved to a primary importance in the above finger of this lockset position of coupler and described blade bearing; Described triggering driver is locked in described selecteed position when described button shape spare is in described locked position; And a link gear, it comprises first, second and the 3rd arm, and each arm all has first and second ends, and described first end of wherein said the first arm is pivotally connected to described blade bearing;
Described first end of described second arm is pivotally connected to described housing; Second end of described the first arm and described second arm is connected to each other rotationally; Described first end of described the 3rd arm is pivotally connected to described triggering driver; In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
Description of drawings
To go through some embodiment of the present invention below, illustrate have the characteristics of each embodiment.These embodiment have described novelty of the present invention but inconspicuous technological tool, and as shown in drawings, this figure is used for illustrative purposes.This figure comprises the figure of many expression details, the similar similar label of part among each figure.Fig. 1 is the stereogram of the technological tool of one embodiment of the present of invention.
Fig. 2 is the side view of technological tool shown in Figure 1, and its some positions have been cut open, some parts imaginary line table.
Fig. 3 is the side view that is similar to Fig. 2 of this technological tool, and its blade is in extended position, and some parts are represented with imaginary line.
Fig. 4 is the exploded perspective view of the technological tool of Fig. 1.
Fig. 4 A is the stereogram of the part confined state of technological tool shown in Figure 4.
Fig. 5 is the vertical view that removes after the housing inner body that the line " 5-5 " in Fig. 2 watches of this technological tool.
Fig. 6 is the stereogram of left-hand component of the housing of technological tool shown in Figure 1.
Fig. 7 is the stereogram of the part confined state of technological tool shown in Figure 1, comprises triggering driver, link gear and blade bearing.
Fig. 8 is the rearview that the line " 8-8 " in Fig. 5 is watched.
Fig. 9 is the side view that the line " 9-9 " in Fig. 5 is watched, and its middle shell is represented with imaginary line.
Figure 10 A is the side view that the line " 10-10 " in Fig. 5 is watched, and wherein kayser partly is represented by dotted lines.
Figure 10 B is the side view that the line " 10B-10B " in Figure 10 is watched.
Figure 11 is the side view of blade bearing, and blade bearing has one and is positioned at its latter half of notch.
Figure 12 is the side view of blade bearing, and blade bearing has a notch that is positioned at its first half.
Figure 13 A is the stereogram of an embodiment of a technological tool that does not have a locking device.
Figure 13 B is the side view that does not have a blade bearing of any notch.
Figure 14 is the side view of a technological tool, and its housing represents with imaginary line, and locking device is connected in the roof of housing.
Figure 15 A is the side view of a technological tool, and its housing represents with imaginary line, and one is triggered driver and is connected in housing and can slides.
Figure 15 B is the amplification view of the 15B part among Figure 15 A.
Figure 15 C is the side view of a technological tool, and its housing is represented with imaginary line, and the triggering driver has a cage knob.
Figure 16 A is a side view with technological tool of a locking bar, and this locking bar is associated with the triggering driver when retracted position.
Figure 16 B is the side view of the technological tool of Figure 16 A, expresses locking bar and is in extended position.
Figure 17 is the side view of a technological tool, and one of them cam that is engaged in the inner surface that triggers driver is used to make tip holder to move between withdrawal and extended position.
The detailed description of some embodiment of the present invention
As shown in figs. 1 and 4, the technological tool 10 of one embodiment of the present of invention comprises the triggering driver 24 of housing 12, blade bearing 14 (Fig. 3), a length and is connected in the link gear 18 (Fig. 2) that triggers driver and blade bearing.A features of novelty of the present invention is the triggering driver 24 that can be located at arbitrary end of housing.Press to trigger driver 24 blade bearing 14 direction of arrow " E " in Fig. 3 is travelled forward with holding by the user.Shown in the imaginary line among Fig. 1, the user can be with a rear portion 12d who holds as the housing 12 of handle 12e.The user is placed on the side of housing 12 to thumb, holds round the length that triggers driver 24 with all the other fingers.The user applies grip pressure power so that it moves with each finger to triggering driver 24 in housing, blade bearing 14 is travelled forward.Unclamp when triggering driver 24 at each finger of user, the blade bearing 14 just direction of the arrow " R " in Fig. 2 moves and retracts.Blade bearing 14 can be locked in extended position also can be locked in retracted position.Housing 12 can comprise a blade storage 20 and one be used to cover this position, can be loaded onto the trapezoidal cover plate of taking down 22 (Fig. 4), wherein can deposit a folded blade (not shown).In case trigger driver 24 with hand-tight holding, blade bearing 14 is pushed forward to blade mounted thereto 25 with regard to travelling forward and stretches out in outside the housing 12.Link gear 18 can make blade bearing 14 and blade 25 mounted thereto turn back to retracted position shown in Figure 2.Blade 25 can be a trapezoidal metal parts (Fig. 4) with blade 25a, and blade 25a is longer than the edge 25b that does not have blade.Do not have on the edge 25b of blade a pair of adjacent breach 25c (Fig. 4) to be set.
With reference to Fig. 1,4 and 6, housing 12 can comprise right-hand component 26 and left-hand component 28, and they have end face 26a and 28a, downside 26b and 28b, front end 26c and 28c and rear end 26d and 28d respectively.When the screw (not shown) of right-hand component 26 and left-hand component 28 usefulness routine links together, just form housing 12.This housing 12 has roof 12a, downside 12b, anterior 1 2c and rear portion 12d.Usually, the only about half of length of the rear portion 12d of housing 12 is as holding part 12e.The part of the end face 26a of roof 12a of part 12e and 28a is held in formation can be with anti-skidding basically material such as the rubber manufacturing.
Can be clear that from Fig. 4 right-hand component 26 can have inner surface 26e, it has guide rail 30a, 30b and 30c and a steady pin 32 of one group of parallel interval.Guide rail 30a, 30b and 30c can be basically equal length, equal altitudes and etc. width, vertically protrude in inner surface 26e.Steady pin 32 can be from an outstanding socket cap of the inner surface 26e of right-hand component 26, and it is near end face 26a and vertically be between the rear end 26d of guide rail 30a, 30b and 30c and right-hand component 26 at cutter.As can be seen from Figure 6, the left-hand component 28 of housing 12 has inner surface 28e, outer surface 28f (Fig. 4), locking device 34 and blade release 36.
With reference to Fig. 4 and 7, blade bearing 14 can comprise a rigid plate 14a, and this plate has front end 14b, rear end 14c, top edge 14d, blade side 14e (Fig. 4) and rail-sides 14f (Fig. 7).One cylindrical steady pin 52 is outstanding near the place of rear end 14c from rail-sides 14f, has a recess 58 (Fig. 4) near front end 14b, and it is protruding from blade side 14e to have a pair of cylindrical bearing pin 50a and 50b (Fig. 4) in this recess.Blade bearing 14 comprises one group of parallel guide rail 48 and a group of notch 46a, 46b, 46c and 46d along top edge 14d on rail-sides 14f.Tip holder 56 is installed on the recess 58 of blade bearing 14 and can moves back and forth thereupon.Each guide rail of set of rails 48 is outwards outstanding perpendicular to the rail-sides 14f of blade bearing 14, and from extending to the front end 14b of rigid plate 14a near the 14c of rear end.Each guide rail of set of rails 48 leans against respectively on guide rail 30a, 30b and the 30c, and can slide along these guide rails on the right-hand component 26, so that blade bearing 14 can be along these guide rails in 12 li slips of housing when actuating triggers driver 24.
From Fig. 4 A, 5 and 6 as can be seen: can be used as the part that can remain on blade bearing 14 locking device 34 of a selecteed position with the interactional finger 38 of notch 46a, 46b, 46c and 46d.The number that blade bearing 14 can be locked in diverse location is decided by the number of the notch on the top edge 14d.Notch 46a is in the first half 78 of blade bearing 14, and notch 46b, 46c and 46d can be in the latter half of of blade bearing 14.Blade 25 was extended in a plurality of diverse locations from housing 12 when notch 46a, 46b, 46c and 46d can be positioned in blade bearing 14 and be in extended position: stretch out 1/6 of its length at first extended position blade 25 from housing 12, stretch out 1/4 of its length at second position blade 25 from housing 12, stretch out 1/3 of its length from housing 12 at the 3rd position blade 25.
With reference to Fig. 4 and 9, tip holder 56 can comprise a roughly rectangular block 60, and it has the blade side 60a, the rear side 60b that comprise platform 60c and a pair of articulating pin 62 below outward extending platform.Pair of holes 64 extensible break-through platform 60c and reach the rear side 60b of block 60.By cylindrical bearing pin 50a and 50b are injected pair of holes 64, can be connected in blade bearing i4 to tip holder 56, and tip holder 56 can be slided along cylindrical bearing pin 50a and 50b.The length of the stroke that the adjustable in length block 60 of the thickness of block 60 and cylindrical bearing pin 50a and 50b is moved between blade bonding station and blade disengaging configuration.The degree of depth of recess 58 is set at when pushing block 60 under the surface of blade side 14e that the blade side 60a that allows block 60 just is in blade bearing 14, and makes block 60 move to the blade disengaging configuration.One of can be in bearing pin 50a and 50b or between the recess 58 of tip holder 56 and blade bearing 14, spring 59 is set on both.The rigidity of spring 59 and length typically are chosen as spring and can push tip holder 56 and articulating pin 62 is between two breach 25c on the blade 25, and this is corresponding to the blade bonding station of tip holder 56.
Shown in Fig. 4,4A, 6 and 8, locking device 34 comprises finger 38 and a button shape spare 34a.Button shape spare 34a can be oval-shaped, has a flat root 34b and a ring 40 of giving prominence near the center of root from the inboard 34c of root that comprises inboard 34c and outside 34d.Finger 38 is outstanding from the inboard 34c of root 34b.Button shape spare 34a can be contained in 42 li of slotted eyes on the left-hand component 28 of housing 12, and makes button shape spare project at least partially through housing 12.The Lower Half 34e of root 34b can be elevated on the surface of outside 28f of left-hand component 28, and the first half 34f of root 34b can flush with the outer surface 28f of left-hand component 28.Perhaps, the Lower Half 34e of root 34b can be thicker than first half 34f, and 34e is lifted on the surface of outside 28f of housing 12.Slotted eye 42 can be near the center of the left-hand component 28 of housing 12, contiguous blade storage 20, and thumb just in time can press on button shape spare 34a when holding part 12e grasping to make the user.
Can clearly be seen that from Fig. 4 A, 5 and 6 the following inwall 42a of button shape spare 34a is seated in 42 li of slotted eyes.At the inboard 28e of the left-hand component 28 of housing 12, a pair of wall 51 and 53 both sides across slotted eye 42 with perforation, they provide a space for ring 40.Pivotal pin 42b crosses over slotted eye 42 and passes wall 51 and 53 and encircle 40 and button shape spare 34a is connected in housing 12 rotationally.Shown in Fig. 4 A, can adorn a helical spring 44 for 43 li at the groove on the sidewall of slotted eye 42.One end of spring 44 hangs on the inwall 42a of button shape spare 34a, acts on button shape spare 34a rotationally, make finger 38 its with blade bearing 14 on notch 46a, 46b, 46c and 46d in one of to normally being engaged on time the notch of aiming at.The outside 28f of the left-hand component 28 of housing 12 can have a groove 28g, and its rear end 28d from left-hand component 28 extends to button shape spare 34a, make the user when holding technological tool 10 thumb just in time by this groove guides to button shape spare 34a.
With reference to Fig. 1,3,4,6 and 9, blade release 36 makes the user can take off the blade 25 that part stretches out in housing 12 outsides.This blade release 36 comprises a button shape spare 36a who is arranged on 64 li in a hole on the housing 12.This button shape spare 36a comprises a root 36b and a finger 36d (Fig. 6) who stretches out from this root inboard that inboard 36c is arranged.Hole 64 can be located between the front end 28c and blade storing position 20 of left-hand component 28.Press to tip holder 56 blade release 36 when inwardly pushing away this tip holder 56 the user with handgrip button shape spare 36a and make blade 25 break away from blade bearings 14, and allow to come out for 12 lira from housing with handgrip blade 25.When pressing press button shape spare 36a, finger 36d deeper pushes tip holder 56 recess 58 of blade bearing 14, articulating pin 62 on the tip holder 56 no longer is in the breach 25c on the blade 25, and allows to make blade 25 with respect to blade bearing 14 motions with hand.In order to allow to take out blade 25 with hand, blade bearing 14 should be at an extended position, so that the user can pinch blade 25 it is pulled out.Blade bearing 14 can be moved to a complete extended position, makes tip holder 56 and blade release 36 aim at, so that tip holder 56 can move between blade bonding station and blade disengaging configuration.When blade bearing 14 was in complete extended position, typically, tip holder 56 was in alignment with blade release 36.
With reference to Fig. 4 and 9, can change the blade 25 that is contained on the blade bearing 14 with another blade 25a that leaves 20 li of blade storage in.Purpose as will reaching is stretched out blade bearing 14 earlier and is made tip holder 56 in alignment with blade release 36.User's push type broach sheet relieving mechanism 36 inwardly slides tip holder 56 then, so articulating pin 62 is to be in the breach 25c of the blade 25 on the blade bearing 14 no longer just.Then, the user pinches the part that stretches out in housing 12 of blade 25 and pulls out housing 12 with handgrip blade 25.Can shrink back blade bearing 14 then, and toward rollback the time, spring mechanism 22b installs to another blade 25a of 20 li of blade storage on the blade bearing 14.
With reference to Fig. 2,3,4 and 9, link gear 18 comprises connecting rod 66, connecting rod 68, connecting rod 70 and elasticity return gear that is spiral stretching spring 72.From Fig. 2 and 3 as can be seen: connecting rod 66, connecting rod 68 and connecting rod 70 connect into them and can move at overlap condition shown in Figure 2 and shown in Figure 3 drawing back between the state.Each connecting rod comprises rectangular flat plate bar 66a, 68a, the 70a of a certain-length respectively, it has opposite two nose circle 66d and 66e, 68d and 68e and 70d and 70e respectively, and each end has through hole 66b and 66c, 68b and 68c and 70b and 70c respectively.The length of connecting rod 66 and connecting rod 68 about equally, and connecting rod 70 is shorter than them.One end 72a of spring 72 is mounted on bearing pin 52, and its other end 72b is mounted on steady pin 32.One end 66d of connecting rod 66 is by being connected in blade bearing 14 to bearing pin 52 inserting hole 66b, and the other end 66e of connecting rod 66 is by passing hole 66c to pin P1 and 68b is connected in connecting rod 68.Connecting rod 68 also is connected in housing 12 by steady pin 32 is passed hole 68c except that being connected in connecting rod 66.The middle part of connecting rod 68 has a hole 68f approximately middle between two ends 68d and 68e.Connecting rod 70 is connected in the middle part of connecting rod 68 by pin P2, and this pin P2 is that the hole 70b that passes on the connecting rod 70 injects the hole 68f on the connecting rod 68 again and end 70d is connected in connecting rod 68.The other end 70e of connecting rod 70 is connected in by pin P3 and triggers driver 24.Pin P1, P2 and P3 are the pivotal points as connecting rod 66, connecting rod 68 and connecting rod 70.
By press triggering driver 24,, it moves between the cutting position that retracted position and blade as shown in Figure 3 25 12 li of housings stretch out housing 12 but promptly being contracted blade 25 at a SBR as shown in Figure 2 with holding.With reference to Fig. 1,7,8 and 9, trigger the body 74 that driver 24 has a general triangular, its downside 12b along housing 12 extends longitudinally, near holding part 12e.The inside of body 74 is empty, has the hub switch side 74c of the end face 74a that opening, crooked downside 74b, left surface 74f, right flank 74g, curved surface and rotates the oblong walls 74d at end 74e place at it.Bottom surface 74b can comprise a handgrip part 74h who uses the anti-skidding basically material such as rubber to make, and can make the curve form that suitable people holds to bottom surface 74b.There is a hole 76 at the 74c place, end of body 74, and there is a retainer 80 at its other end 74e place.Hole 76 is near hub switch side 74c and laterally extend to right flank 74g from left surface 74f.Trigger driver 24 and be connected in housing 12 by the bar axle 81 that passes hole 76 at hub switch side 74c place.But triggering driver 24 when moving between ready position shown in Figure 2 and the cutting position shown in Figure 3, triggering driver 24 is the axle center rotation with bar axle 81.Rotate end 74e and can have a retainer 80, it can comprise a wall of giving prominence near end face 74a from the outside of oblong walls.As shown in Figure 2, bar axle 81 is to be contained in 12 li of housings and can to trigger driver 24 to clockwise rotation by inward flange 90 restrictions of contact housing 12.
The locking device 34 that comprises finger 38 is used for blade bearing 14 is locked in a selecteed position.Finger 38 one of injects among each notch 46a, 46b, 46c and the 46d position that just blade is locked in a correspondence.In notch, extract finger 38, driven lock just for blade bearing 14.Shown in Fig. 2 and 5, when finger 38 injected notch 46a, blade bearing 14 just was locked in retracted position.With hand button shape spare 34a finger 38 is withdrawn from this notch 46a.Grip pressure triggers driver 24 and just can draw back and extend link gear 18 and blade bearing 14 is marched forward.In case button release shape spare 34a, finger 38 one of just injects among notch 46b, 46c and the 46d, this depend on the user decontrol its when triggering the grasping of driver 24 finger 38 positive alignments in that trough mouth.
In use, when holding technological tool 10, the anterior 12c of housing 12 as far-end, and the rear portion 12d of housing 12 as near-end.Also it is contemplated that and hold technological tool 10 like this, be exactly the rear portion 12d of housing 12 as far-end, and the anterior 12c of housing 12 as near-end.As shown in Figure 2, when blade bearing 14 was in a retracted position, triggering driver 24 was to be in ready position, and link gear 18 is to be in overlap condition, and blade 25 is in 12 li of housings fully, and spring 72 is to be in unstretched condition.Connecting rod 66 and connecting rod 68 forms one less than 90 ° angle.As shown in Figure 3, when blade bearing 14 was in extended position, link gear 18 was to be in the state of drawing back, and triggering driver 24 is to enter 12 li of housings at least in part, and the part of blade 25 stretches out in outside the housing 12, and spring 72 is to be in extended state.At this moment, connecting rod 66 and connecting rod 68 may form one greater than 90 ° angle.
The user can make blade 25 stretch for 12 li from housing by such operation, promptly, earlier by pushing and ratchet knob shape spare 34a actuating locking device 34 unblanks for blade bearing 14, grip pressure triggers driver 24 and makes its rotation and enter housing 12 and draw back link gear 18 then.Drawing back link gear 18 can make blade bearing 14 forward and then blade 25 is stretched out from housing 12.The button shape spare 34a that spring 44 makes locking device 34 is along rotating towards the direction of blade bearing 14, and blade bearing 14 is locked in extended position when one of among finger 38 aligned notches 46b, 46c and the 46d.The user just can use blade 25 then.For making blade 25 withdrawals, the user can push the button shape spare 34a of locking device 34 with thumb, and thumb is directed to this button shape spare 34a by groove 28g.By press button shape spare 34a it is rotated and disengaging blade bearing 14 with thumb, thereby finger 38 is withdrawed from from that notch at its place.This has driven lock just for blade bearing 14, so be in the spring 72 of extended state blade bearing 14 is withdrawn into retracted position shown in Figure 2.
Figure 11 expresses another embodiment of the present invention, and it is identical to the embodiment shown in Figure 10 B with Fig. 1 basically, just its blade bearing 114 differences.In this embodiment shown in Figure 11, locking device 34 can remain on extended position with blade bearing 114 before unblanking.Why can be like this, be owing on blade bearing 114, only adopt a single notch 46d who is positioned at the rear portion 76a of this blade bearing.The anterior 78a of blade bearing 114 goes up without any notch.During beginning, blade bearing 114 is positioned in the housing 12, is similar to the location of blade bearing shown in Figure 2 14.But blade bearing 1 14 is not locked in this retracted position.In case trigger driver 24 with holding to press, blade bearing 114 makes finger 38 aligned notches 46d with regard to advancing to complete extended position.Pressurized and make finger 38 put in notch 46d to the button shape spare 34a of blade bearing 114 motion, and blade bearing 114 is locked in extended position.Its will be rotated and break away from blade bearing 114 and finger 38 is pulled out from notch 46d by press button shape spare 34a.Trigger driver 24 along with user's hand loosens, the spring 72 that is in extended state draws in blade bearing 114 in the housing 12, makes it get back to retracted position, the blade bearing 14 shown in the image pattern 2.
With reference to Figure 12, in another embodiment, locking device 34 can be locked in retracted position to blade bearing 116.Blade bearing 116 has only a single notch 146a who is positioned on its first half 82, and does not have notch on its latter half of 80a.Therefore, blade bearing 116 can not be locked in extended position.But, must just can make blade bearing 116 move to extended position by press button shape spare 34a with hand.Therefore, the user must keep holding trigger driver 24 and grip pressure it, could remain on extended position to blade bearing 116.Trigger driver 24 in case user's hand loosens, the spring 72 that is in extended state just makes blade bearing 116 get back to retracted position, and spring 44 makes button shape spare 34a to blade bearing 116 rotations, the notch 146a of finger 38 propelling alignings.
Figure 13 A and 13B express another embodiment of the present invention, and it is similar to the embodiment shown in Fig. 1-10B, but wherein without locking device 34.In this embodiment, adopt blade bearing 118 without any notch.Therefore, need unblank before grip pressure triggers driver 24, for blade bearing 118 by the user.The user press to trigger driver 24 blade bearing 118 is stretched out from retracted position with holding, and triggers the spring 72 that the hand on the driver 24 just allows to be in extended state blade bearing 118 is withdrawn in the housing 12 and loosen to be held in.The user continues blade bearing 118 to be remained on extended position with holding tight triggering driver 24.
Figure 14 expresses an embodiment 210 of technological tool, and wherein locking device 134 is arranged on the roof 12a of housing 12, and this locking device comprises a button shape spare 134a who is headed on by spring who is similar to button shape spare 34a.Button shape spare 134a has the outstanding finger 138 from its rear side 134b.The same with the finger 38 of button shape spare 34a, in one of being inserted among notch 46a, 46b, 46c and the 46d, finger 138 just can be locked in a selecteed position to blade bearing 14.
Figure 15 A and 15B express an embodiment, and wherein, triggering driver 24 can slide into and skid off rather than pivot blade bearing 14 is moved between retracted position and extended position with respect to housing 12.This embodiment has the cylindrical member 154 and 156 that has butt end 154a and 156a respectively.Cylindrical member 154 and that two ends opposite with 156a with head 154a of 156 are fixedly connected on triggers driver 124.In the notch S1 and S2 of the downside that cylindrical member 154 and 156 head 154a and 156a are respectively seated at housing 12, two notches have the cave portion 150 and 152 of an expansion respectively, and they hold head 154a and 156a within it.Helical spring 2 and 3 is contained in respectively in notch S1 and the S2.In normality, spring 2 and 3 triggers driver 124 from 12 li of housings to external pressure, shown in the double dot dash line of Figure 15 A middle and lower part, blade bearing 14 is moved to retracted position.Press triggering driver 124 to make it move to the position shown in the solid line among this figure with holding, just make blade bearing 14 move to extended position.Loosen when triggering driver 124, spring 2 and 3 just makes triggering driver 124 get back to that position shown in the double dot dash line, and blade bearing 14 is withdrawn into retracted position.Slide and drive when triggering driver 124 cave portion 150 and 152 li at head 154a and 156a, the upper wall of cave portion and lower wall have limited the range of movement that triggers driver 124.The two ends 174c and the 174e that trigger driver 124 make progress (U) and (D) motion downwards together.End 174e can have from the retainer 80 of the close end face 74a projection in the outside of oblong walls.Retainer 80 is contained in the housing 12, and it can limit the motion that triggers driver 124 when contacting with edge 90.
Figure 15 C expresses an embodiment 100 of technological tool, and wherein, button shape spare 130 can pin it when triggering driver 224 is in a retracted position.Trigger driver 224 with shown in Figure 1 identical basically.Button shape spare 130 has cylinder-shaped body 230, from the outstanding finger 228 in the inner of main body 230.This finger just can be pinned triggering driver 224 in the cave portion at the 224a place, rear end that inject to trigger driver 224 time.
Figure 16 A and 16B express an embodiment of technological tool 10, and wherein, locking device is a locking bar 29 that is installed in the inside of triggering driver 24.This locking bar 29 can slide along the bottom surface 74b that triggers driver 24.Figure 16 A represents that locking bar 29 slides into 24 li of triggering drivers along the I1 direction, and triggering driver 24 is to be in extended position, and makes 12 li of blade 25 withdrawal housings.Figure 16 B represents to trigger driver 24 quilts with holding pressure, and locking bar 29 skids off the edge 90 that triggers driver 24 and enter housing 12 along O1 direction one end.The user can inwardly or outwards slide locking bar 29 with one of thumb or other finger.During beginning, locking bar 29 is to be in the position shown in Figure 16 A, and blade bearing 14 is at retracted position, but is not locked in this position.User's grip pressure triggers driver 24 and subsequently along the outside sliding lock bar 29 of O1 direction, blade bearing 14 just is locked in extended position.The user loosens triggering driver 24 and along the inside sliding lock bar 29 of I1 direction, the spring 72 that is in extended state just makes blade bearing 14 get back to the retracted position shown in Figure 16 A.
As shown in figure 17, technological tool 300 is identical with technological tool 10 basically, but has cancelled link gear 18.Cams in housing 12 that is installed in technological tool 300 by pivotal pin 304 have replaced link gear 18.One end 306a of spring 306 is mounted on fixing pivotal pin 304, and its other end 306b is mounted on the rear end of blade bearing 14.The lower limb 302a of cam 302 leans against on the inner surface 24a that triggers driver 24.With holding when press triggering driver 24, the lower limb 302a of cam 302 slides on this inner surface 24a and rotate counterclockwise (seeing) in Figure 17, its lateral edges contact and push broach bar 14 are shifted the retracted position that it is represented from solid line onto extended position that dotted line is represented.Loosen when triggering driver 24 at user's hand, spring 306 makes blade bearing 14 get back to retracted position from extended position.
Scope of the present invention
The realization that is susceptible to now best way of the present invention more than has been described, also method of manufacture and use thereof of the present invention and process have been described, have been familiar with those skilled in the art and can and use the present invention according to above-mentioned manufacturing with abundant, clear, simple and clear and definite term.Yet can also make many modification that are equal to fully and alternative constructions to the present invention according to above-mentioned.Therefore, the present invention should be limited to those specific embodiments that this paper has disclosed.And all modification and the alternative constructions that belongs within the spirit and scope of the present invention contained in the present invention, and the spirit and scope of the present invention are by the total statement of following claim, and it points out and clearly stated protection main points of the present invention especially.
Claims (48)
1. a technological tool comprises:
One has a housing of holding part;
A blade bearing, it is mounted thereto that it is configured to can to pull down ground to a blade;
Described blade bearing is at least in part in described housing and can move between a retracted position and an extended position, that blade mounted thereto when retracted position is in the described housing, and at least a portion of that blade mounted thereto stretches out in outside the described housing when extended position;
One is triggered driver, and it is connected in described housing near the described part of holding, and is installed on and describedly holds part and can move to a second place to described holding in the part from a primary importance; And
Link gear in described housing at least in part, it is connected between described triggering driver and the described blade bearing, and can when described primary importance moves to the described second place, make described blade bearing move to described extended position, and can when moving to described primary importance, the described second place make described blade bearing move to described retracted position at described triggering driver at described triggering driver;
Wherein, described link gear comprises first, second and the 3rd arm, and each arm all has first and second ends, and
First end of described the first arm is pivotally connected to described blade bearing;
First end of described second arm is pivotally connected to described housing;
Second end of the described the first arm and second arm is connected to each other rotationally;
First end of described the 3rd arm is pivotally connected to described triggering driver;
In first end of described second arm and a bit between second end, second end of described the 3rd arm is pivotally connected to described second arm.
2. technological tool as claimed in claim 1 is characterized in that it also comprises:
One is pinned part, and it can remain on described extended position to described blade bearing and be unblanked up to it; And
A release member, it can unblank for the hand actuating described pinning part.
3. technological tool as claimed in claim 1 is characterized in that it also comprises:
One is pinned part, and it can remain on described retracted position to described blade bearing and be unblanked up to it, and can remain on extended position to described blade bearing and unblanked up to it; And
A release member, it can unblank for the hand actuating described pinning part.
4. technological tool as claimed in claim 1, it is characterized in that: described triggering driver can be moved to the described second place from described primary importance with holding pressure, as long as make described blade bearing be in described extended position with holding tight described triggering driver, described blade bearing just is in described extended position constantly;
In case unclamp the hand of the described triggering driver of holding with a firm grip, described blade bearing is with regard to biased time described retracted position.
5. technological tool as claimed in claim 1, it is characterized in that, it also comprises: an available hand-driven release member, this release member has the button shape spare and the finger that puts in the described housing that stretch out in described housing, described button shape spare is positioned at the user and grasps described hand grip portion timesharing thumb and can be pressed into described button shape spare, and described finger is engaged in described blade bearing when described button shape spare is not pressed, and breaks away from described blade bearing when described button shape spare is pressed.
6. technological tool as claimed in claim 5 is characterized in that, but has the just in time planform of the described release member of actuating of a thumb that can guide the user on the outer surface of described housing.
7. technological tool as claimed in claim 6 is characterized in that, described planform comprises a groove on the side of described housing.
8. technological tool as claimed in claim 1 is characterized in that, described link gear comprises an elasticity return gear, and this mechanism can automatically make described blade bearing get back to described retracted position when described release member is driven.
9. technological tool as claimed in claim 1 is characterized in that, described blade bearing has:
One first extended position stretches out in outside the described housing in maximum 1/4th length of a blade mounted thereto on this position; And
One second extended position stretches out in outside the described housing at least 3/8 length of this above blade of position.
10. technological tool as claimed in claim 1 is characterized in that, it also comprises a blade release, and this relieving mechanism allows to take off from described blade bearing with the described blade of handgrip when described blade bearing is in described extended position.
11. a technological tool comprises:
Housing with certain-length, this housing has downside, fore-end and rear end part, and this rear end part is the part of holding that grasps cutter for the user when using this technological tool;
A blade bearing that comprises a blade, this blade bearing is contained in the described housing and can moves between a retracted position and an extended position, described blade is in the described housing fully when described retracted position, and at least a portion of described blade is protruding from the described fore-end of described housing when described extended position;
One is triggered driver, and its downside along described housing extends along its length near the described part of holding, while make the user can hold the described described triggering driver of part grip pressure actuating of holding;
Described triggering driver is installed into can be by user's grip pressure move to a second place from a primary importance to described holding in the part, is pushed at least in part in the described housing at least a portion of the described triggering driver of this second place;
When the user loosens it to the holding of described triggering driver, described triggering driver is forced to get back to described primary importance, and described triggering driver is connected in described blade bearing, at described triggering driver when described primary importance moves to the described second place, it makes described blade bearing move to described extended position, and when described triggering driver when the described second place moves to described primary importance, it makes described blade bearing move to described retracted position; And
A link gear, it comprises first, second and the 3rd arm, each arm all has first and second ends, wherein
Described first end of described the first arm is pivotally connected to described blade bearing;
Described first end of described second arm is pivotally connected to described housing;
Described second end of described the first arm and described second arm is connected to each other rotationally;
Described first end of described the 3rd arm is pivotally connected to described triggering driver;
In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
12. technological tool as claimed in claim 11 is characterized in that, it also comprises:
One is pinned part, and it can remain on described extended position to described blade bearing and be unblanked up to it; And a release member, it can unblank for the hand actuating described pinning part.
13. technological tool as claimed in claim 11 is characterized in that, it also comprises:
One is pinned part, and it can remain on described retracted position to described blade bearing and be unblanked up to it; And can remain on extended position to described blade bearing and unblanked up to it; And
A release member, it can unblank for the hand actuating described pinning part.
14. technological tool as claimed in claim 11 is characterized in that, as long as described triggering driver is in the described second place with holding tight, described blade bearing is just remained on described extended position constantly.
15. technological tool as claimed in claim 11, it is characterized in that, it also comprises the release member of an available hand actuating, this release member comprises a button shape spare, this button shape spare is arranged on a side of described housing and is positioned in the user and grasps described his thumb of hand grip portion timesharing and just in time can push this button shape spare, and described blade bearing is moved between described retracted position and described extended position.
16. technological tool as claimed in claim 14 is characterized in that, described downside comprises that a thumb that can guide the user contacts the planform of described release member.
17. technological tool as claimed in claim 16 is characterized in that, described to guide the planform of thumb be a groove on described downside.
18. a technological tool comprises:
Housing with certain-length, the rear end of this housing have a part of holding that can supply to grasp cutter:
A blade bearing, this blade bearing are contained in the described housing and can move between a retracted position and an extended position, and described blade bearing is configured to maintain at least one removable blade;
One is triggered driver, and it is connected in described blade bearing and is installed on described housing near the described part of holding;
Described triggering driver can move to a second place from a primary importance, is in described retracted position at the above blade bearing of described primary importance, and is in described extended position at the above blade bearing of the described second place; And
A link gear, it comprises first, second and the 3rd arm, each arm all has first and second ends, wherein
Described first end of described the first arm is pivotally connected to described blade bearing;
Described first end of described second arm is pivotally connected to described housing;
Described second end of described the first arm and described second arm is connected to each other rotationally;
Described first end of described the 3rd arm is pivotally connected to described triggering driver;
In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
19. technological tool as claimed in claim 18 is characterized in that, described link gear comprises an elasticity return gear, and it can automatically make described blade bearing get back to described retracted position during by actuating at release member.
20. technological tool as claimed in claim 18 is characterized in that, described triggering driver is connected in described housing rotationally.
21. technological tool as claimed in claim 18 is characterized in that, described triggering driver is connected in described housing and can slides.
22. technological tool as claimed in claim 19 is characterized in that, described release member comprises a button shape spare, and this button shape spare is connected in described housing and can be urged and be engaged in described blade bearing.
23. technological tool as claimed in claim 22 is characterized in that, described button shape spare is in the groove on the outer surface of described housing.
24. technological tool as claimed in claim 22, it is characterized in that, described button shape spare comprises a root and one from the outstanding finger of described root, and described finger has just been pinned described blade bearing when in the notch on the described blade bearing of described finger element.
25. technological tool as claimed in claim 18 is characterized in that, described blade bearing comprises a plate, and a side of this plate can connect several blades removably.
26. technological tool as claimed in claim 18 is characterized in that, described blade bearing comprises at least one tip holder, and this tip holder stretches out from a side of described blade bearing, and is configured to and can be anchored on described blade bearing to described blade.
27. technological tool as claimed in claim 26 is characterized in that, described tip holder is connected in described blade bearing and can slides, and can be urged and described blade is remained on the described blade bearing.
28. technological tool as claimed in claim 18 is characterized in that, it also comprises at least one rail guide piece in described housing, and this rail guide piece guides the motion of described blade bearing.
29. technological tool as claimed in claim 18 is characterized in that, it also comprises a blade release, and this mechanism can make blade break away from described blade bearing.
30. a technological tool comprises:
Housing with certain-length, the bootable dress of this a housing blade bearing within it moves between a retracted position and an extended position, described blade bearing is configured to and can keeps at least one removable blade thereon, when described blade bearing is in described retracted position, described blade is fully collapsed in the described housing, and when described blade bearing was in described extended position, described blade stretched out in outside the described housing at least in part;
One is triggered driver, and it can make described blade bearing move between described retracted position and described extended position;
One can be by the button shape spare of user with the hand actuating, this button shape spare comprises one and the synergistic finger of described blade bearing, described button shape spare can be used to actuating and move between a locked position and a lockset position of coupler, described finger is engaged in described blade bearing and stops the motion of described blade bearing when locked position, and described finger and described blade bearing break away from so that described blade bearing can be pulled to an extended position when lockset position of coupler; And
A link gear, it comprises first, second and the 3rd arm, each arm all has first and second ends, wherein
Described first end of described the first arm is pivotally connected to described blade bearing;
Described first end of described second arm is pivotally connected to described housing;
Second end of described the first arm and described second arm is connected to each other rotationally;
Described first end of described the 3rd arm is pivotally connected to described triggering driver;
In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
31. technological tool as claimed in claim 30 is characterized in that, described button shape spare is in the groove that is on the outer surface of described housing.
32. technological tool as claimed in claim 30, it is characterized in that described button shape spare comprises a root, described finger is stretched out from described root, when in the notch on the described blade bearing of described finger element, described finger has just been pinned described blade bearing.
33. technological tool as claimed in claim 30 is characterized in that, described button shape spare is in the hole on the described housing at least in part, and described hole has an inwall, and spring is arranged on described inwall and starts to control between the button shape spare of making usefulness.
34. technological tool as claimed in claim 30, it is characterized in that, described blade bearing comprises a plate, first side of this plate is configured to a blade and can connects thereon, described blade bearing has at least one tip holder, and this tip holder stretches out from described first side and can be anchored on described blade bearing to a blade.
35. technological tool as claimed in claim 30 is characterized in that, described blade bearing can have a plurality of positions.
36. technological tool as claimed in claim 35 is characterized in that, a blade is connected on the described blade bearing, and the length that described blade stretches out in outside the described housing depends on that position that is selected in described a plurality of positions.
37. technological tool as claimed in claim 30 is characterized in that, it also comprises a blade release, and this mechanism is configured to allow blade is taken off from described blade bearing.
38. technological tool as claimed in claim 37, it is characterized in that, described blade release comprises a button shape spare, the finger that this button shape spare has a root and gives prominence to from described root, described button shape spare can make a tip holder that is connected in described blade bearing move to a position by actuating the time, and available handgrip blade is taken off from described blade bearing on this position.
39. a technological tool comprises:
Housing with certain-length, it is configured to a bootable blade bearing and moves between a retracted position and an extended position, and described blade bearing is configured to maintain at least one removable blade;
One is connected in the triggering driver that described housing also is connected in described blade bearing, and described triggering driver optionally moves to a primary importance and makes described blade bearing move to a retracted position and optionally move to a second place and make described blade bearing move to described extended position from described primary importance;
One can and comprise a button shape spare with the synergistic finger of described blade bearing by user's actuating, described button shape spare can be pushed to a locked position, be engaged in described blade bearing and stop described blade bearing motion in the above finger of this locked position, described button shape spare also can be used hand actuating to a lockset position of coupler, breaks away from so that described blade bearing can be moved to described extended position and be moved to described retracted position when described triggering driver is moved to a second place when described triggering driver is moved to a primary importance in the above finger of this lockset position of coupler and described blade bearing;
Described triggering driver is locked in described selecteed position when described button shape spare is in described locked position; And
A link gear, it comprises first, second and the 3rd arm, each arm all has first and second ends, wherein
Described first end of described the first arm is pivotally connected to described blade bearing;
Described first end of described second arm is pivotally connected to described housing;
Second end of described the first arm and described second arm is connected to each other rotationally;
Described first end of described the 3rd arm is pivotally connected to described triggering driver;
In described first end of described second arm and a bit between described second end, described second end of described the 3rd arm is pivotally connected to described second arm.
40. technological tool as claimed in claim 39 is characterized in that, described finger can remain on described extended position to described blade bearing and be unblanked up to it.
41. technological tool as claimed in claim 39 is characterized in that, described finger can remain on described retracted position to described blade bearing and be unblanked up to it.
42. technological tool as claimed in claim 39 is characterized in that, described button shape spare comprises a root, and described finger is from described root swelling.
43. technological tool as claimed in claim 39 is characterized in that, described button shape spare is contained in the housing wall, and between described wall and described button shape spare a spring is housed, and this spring can be pressed to described locked position to described button shape spare.
44. technological tool as claimed in claim 39, it is characterized in that described button shape spare is positioned in the hole on the housing wall, the part of described button shape spare is in a side of described wall, another part of described button shape spare is at the opposite side of described wall, and described wall forms the outer surface of described housing.
One of 45. technological tool as claimed in claim 39 is characterized in that, described blade bearing comprises a plurality of notches, when described finger is engaged in described blade bearing, in these notches of described finger element.
46. technological tool as claimed in claim 39 is characterized in that, described button shape spare is rotatably installed on described housing.
47. technological tool as claimed in claim 39 is characterized in that, it also comprises a return gear, and this return gear can apply a power and cause it to move to described retracted position described blade bearing.
48. technological tool as claimed in claim 47 is characterized in that, described return gear is a spring.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2003/016121 WO2004106012A1 (en) | 2003-05-22 | 2003-05-22 | Knife with trigger actuator for retractable blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1688419A CN1688419A (en) | 2005-10-26 |
| CN100358687C true CN100358687C (en) | 2008-01-02 |
Family
ID=33488780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03823727XA Expired - Fee Related CN100358687C (en) | 2003-05-22 | 2003-05-22 | Knife with teigger actuator for retractable bland |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN100358687C (en) |
| AU (1) | AU2003228253A1 (en) |
| CA (1) | CA2500489C (en) |
| GB (1) | GB2408229B (en) |
| WO (1) | WO2004106012A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2893525B1 (en) * | 2005-11-23 | 2008-01-18 | Cogema | RETRACTILE BLADE KNIFE, USEFUL ESPECIALLY IN HOSTILE ENVIRONMENT |
| WO2009086615A1 (en) * | 2008-01-10 | 2009-07-16 | Simon Medhurst | Multiple purpose hand tool |
| DE102008019441A1 (en) * | 2008-04-17 | 2009-10-22 | Martor Kg | knife |
| US8201336B2 (en) | 2008-05-02 | 2012-06-19 | Olympia Tools International, Inc. | Retractable utility knife |
| US8776380B1 (en) * | 2011-04-25 | 2014-07-15 | Elwood Dean Quimby | Utility knife with retractable blade |
| CN102825614B (en) * | 2012-03-23 | 2016-04-06 | 上海美瑞实业有限公司 | Safety cutter |
| DE102013006599A1 (en) * | 2012-08-30 | 2014-04-03 | Martor Kg | cutter |
| CN103707326B (en) * | 2012-09-29 | 2016-01-20 | 王爱国 | A kind of cutter |
| GB2536686A (en) * | 2015-03-26 | 2016-09-28 | Huang Yin-Han | Box cutter structure |
| CN109262726A (en) * | 2018-11-12 | 2019-01-25 | 倪威 | Multifunction rubbing board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139939A (en) * | 1977-11-07 | 1979-02-20 | Hyde Manufacturing Company | Utility knife |
| US5426855A (en) * | 1992-11-30 | 1995-06-27 | Psi, Inc. | Safety utility knife |
| US6000136A (en) * | 1998-04-27 | 1999-12-14 | The Stanley Works | Knife handle |
| US6192589B1 (en) * | 1999-06-25 | 2001-02-27 | The Stanley Works | Utility knife |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3577637A (en) * | 1968-09-24 | 1971-05-04 | Philip Morris Inc | Retractable blade knife |
-
2003
- 2003-05-22 CA CA2500489A patent/CA2500489C/en not_active Expired - Fee Related
- 2003-05-22 AU AU2003228253A patent/AU2003228253A1/en not_active Abandoned
- 2003-05-22 GB GB0506576A patent/GB2408229B/en not_active Expired - Fee Related
- 2003-05-22 WO PCT/US2003/016121 patent/WO2004106012A1/en active Application Filing
- 2003-05-22 CN CNB03823727XA patent/CN100358687C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139939A (en) * | 1977-11-07 | 1979-02-20 | Hyde Manufacturing Company | Utility knife |
| US5426855A (en) * | 1992-11-30 | 1995-06-27 | Psi, Inc. | Safety utility knife |
| US6000136A (en) * | 1998-04-27 | 1999-12-14 | The Stanley Works | Knife handle |
| US6192589B1 (en) * | 1999-06-25 | 2001-02-27 | The Stanley Works | Utility knife |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003228253A1 (en) | 2005-01-21 |
| CA2500489A1 (en) | 2004-12-09 |
| WO2004106012A1 (en) | 2004-12-09 |
| GB0506576D0 (en) | 2005-05-04 |
| CN1688419A (en) | 2005-10-26 |
| GB2408229A (en) | 2005-05-25 |
| CA2500489C (en) | 2010-04-27 |
| GB2408229B (en) | 2006-09-20 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 |