CN1910021A - Universal locking lever - Google Patents
Universal locking lever Download PDFInfo
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- CN1910021A CN1910021A CN 200580002610 CN200580002610A CN1910021A CN 1910021 A CN1910021 A CN 1910021A CN 200580002610 CN200580002610 CN 200580002610 CN 200580002610 A CN200580002610 A CN 200580002610A CN 1910021 A CN1910021 A CN 1910021A
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- China
- Prior art keywords
- rod member
- adjustment means
- operation rod
- member according
- locking lever
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 210000002784 stomach Anatomy 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
A repositionable operating lever including a lever body having a handle and a generally hollow cylindrical housing, an inner end portion of which has a multi-faced wall configured to engage a multi-faced head portion of an adjusting member, an adjusting member positioned in the cylindrical housing and having a multi-faced head portion engaging the multi-faced wall of the inner end portion, a generally cylindrical end piece configured to fit within an outer end portion of the cylindrical housing, a biasing member having a inner end and a outer end, and wherein the lever body is capable of being moved in the outer direction relative to the adjusting member by manipulation overcoming the biasing force whereby the multi-faced head portion and the multi-faced wall disengage from one another, permitting relative rotation of the lever body and the adjusting member to reposition the lever body on the adjusting member.
Description
The application requires the U.S. Provisional Patent Application No.60/537 of submission on January 16th, 2004,269 preference.
Technical field
The present invention relates generally to instrument, and more particularly relates to the adjustable locking bar that is used for this instrument.
Background technology
User for instrument is well known that, often be necessary in the process of using tool component to be locked in certain location, for example the angle of bevel of the depth of cut position of cut-in type engraving machine (plunge router) or annular saw or the annular saw in many other application is adjusted the position.In the whole life-span of instrument, the user often finds that Lock Part has been subjected to wearing and tearing, and it requires rod member further to be rotated to obtain identical latching force.At some location point, rod member is positioned at interference in other parts in the locking system outside, the footing of electric machine casing, knife saw or annular saw etc. for example, and this prevents that locking bar from suitably being locked.In prior art system, the user is forced to rod member is referred to get back to different positions so that system is locked fully.
Prior art system in the special use of the being sold saw need be taken out screw or clasp to reorientate locking bar.Except inconvenience, also might lose clasp or screw.Other need not to utilize (tool-less) locking and the non-locking device of apparatus dismounting to comprise wing nut or button.
Although there is the adjustable lever spare system of prior art, it comprises can resist the power rod member outwards mobile from its normal position that pushes spring, thereby described rod member can be repositioned at different angles, so that system suitably locks the parts of expectation, but these systems need engagement holder to carry the nut of bolt (carriage bolt) etc. substantially, and another screw, its screwed togather enter the turret head adjusting nut opposite end so that spring is held in place, wherein said spring is forced into handle with the turret head adjusting nut and engages.
Summary of the invention
The purpose of this invention is to provide universal locking lever, it has the simple structure that is assembled in equally easily in the applicable instrument of described locking bar.
The preferred embodiments of the present invention comprise the universal locking lever system, and it comprises the rod member that inserts adjusting nut; Carry bolt etc. with the holder that adjusting nut screws togather; Spring, it comprises an end and an opposite other end against end cap of the shoulder in the rod member, end cap is formed at assembly process snap fit locks in place on adjusting nut.
Description of drawings
Fig. 1 is the front-side perspective view of annular saw, and wherein said annular saw comprises the oblique angle guiding mechanism, and it comprises the oblique angle sector with curved slot, and wherein the bolt of universal locking lever is connected in the described curved slot so that described saw is locked on the angle of bevel of expectation;
Fig. 2 is the decomposition diagram of each parts of universal locking lever shown in Figure 1;
Fig. 3 is the cutaway view along the center of universal locking lever shown in Figure 1, and is in the vertical plane roughly the same with part shown in Fig. 5 substantially;
Fig. 4 is the being seen perspective view of rear flank angle from locking bar shown in Figure 2;
Fig. 5 is the side view of locking bar shown in Figure 4;
Fig. 6 is the cutaway view along the rod member of the line 6-6 among Fig. 5;
Fig. 7 is the end-view of the end cap of the preferred embodiments of the present invention;
Fig. 8 is the cutaway view generally along the line 8-8 of Fig. 7;
Fig. 9 is the side view of end cap shown in Figure 7;
Figure 10 is the side view of locking bar according to another embodiment of the present invention;
Figure 11 is the front view of locking bar shown in Figure 10.
The specific embodiment
The preferred embodiment of universal locking lever shown in the drawings, and it is useful for the locking tool parts is for example in the hand-operated tools and other engraving machine, knife saw, jigsaw and annular saw in using.Yet preferred embodiment is in the annular saw that is particularly suitable for being used in shown in Fig. 1.Described saw is equipped with locking bar assembly 10 in its front side, so that lock it in place after bevel adjustment system is set by the user.Annular saw comprises electric machine casing 12; Blade housing 14, cutting blade (not shown) are arranged in described blade housing; Assist handle 16; Footing 18, oblique angle sector 20 is formed on the described footing, and annular saw housing 12, blade housing 14 and blade are configured to wind the pivot axis rotation that is limited by bolt 22 with respect to footing.When the lever arm 24 of locking bar assembly 10 rotates as shown in Figure 1 along clockwise direction, this makes adjustment means 26 be locked at such as holder and carries on the threaded fastener 28 of bolt etc., wherein said threaded fastener operability is connected on the electric machine casing 12, thereby the counterclockwise motion of locking bar 10 will be unclamped adjustment means 26 with respect to oblique angle sector 20, and allow to change the angle of bevel of annular saw.
Fig. 2 shows the decomposition diagram of universal locking lever assembly 10, and its preferably include lever arm 24, adjustment means 26, be illustrated as holder carry the threaded fastener 28 of bolt, packing ring 29, such as the pushing member 30 and the end cap 32 of compression spring.Shown in Fig. 4,5 and 6, lever arm 24 comprises external handle part 34, and it extends from general cylindrical part 36, described general cylindrical part 36 comprise right side part 37 with and left part 39 on smooth relatively inner surface 38.In addition, Right Inboard partly comprises predetermined key shape structure, is preferably double hex configuration 40, shown in the cutaway view of Fig. 5 and Fig. 3.Yet embodiments of the invention expectation key shape structure can adopt multiple structure, for example pentagon, square or spline shape.As shown in Figure 6, preferably be provided with cancellation part 42, so that rod member 24 weight are lighter.
Corrugated part 44 or other texture portion can be set to help grasping lever arm 24 in the process of using.Adjustment means 26 is provided with opening at its its right end face 46 places, and it preferably includes internal thread.Adjustment means 26 also comprises the end sections that is configured to engage preferred double hex configuration 40, is preferably hex head portion 48; And columniform opposite ends part 50, annular groove 52 is provided with around described columniform opposite ends part 50.Other embodiments of the invention comprise the end sections that is shaped as multiple structure, and described multiple structure example such as square, pentagon, spline shape etc. engage bihexagon part 40 or other corresponding fit structure thereby this end sections is configured to locking.Preferably, the end face of opposite end sections 50 comprises that groove 51 or other structure accurately rotate adjustment means 26 and/or screw togather to screwed securing member 28 to allow the user, and described screwed securing member extends to engage adjustment means from the part of saw.Pushing member 30 can have uniform diameter along its length, but in a preferred embodiment, described pushing member comprises small-diameter end portions 54, and the size of spring increases to large-diameter end 56.
Thereby, as shown in Figure 2, preferred locking bar assembly 10 and screwed securing member 28 assemblings, wherein said securing member engages the internal thread of its right end face 46 of adjustment means 26 by the mode that screws togather.The big end parts 56 of pushing member 30 engages shoulders 66 (as shown in Figure 3), and small-diameter end portions 54 engages the annular recess 65 (as shown in Figure 8) that is arranged on the end cap 32, and described annular recess is formed by the fin 67 of a plurality of axial sensings.After assembling, the lateral surface 68 of circular base 57 aligns and the cardinal principle coplane with the left surface 39 of cylindrical part 36, and opposite end sections 50 couplings of adjustment means 26 engage the opening 58 of end caps 32.In order to keep locking to engage, inboard shoulder 64 engages the annular groove 52 of adjustment means 26.Because pushing member 30 preferably is configured to resist the compression spring of compression, and the end cap 32 locked adjustment means 26 that are engaged to, so the pushing member forces the hexagonal head 48 of adjustment means 26 to enter double hex configuration 40 in the Right Inboard part of cylindrical part 36.Along with hexagonal head 48 engages double hex configuration 40, when cylindrical part 36 is rotated by lever arm 24, adjustment means 26 will be rotated along with cylindrical part 36.
With after saw is connected, the locking bar 10 after the assembling can rotate clockwise or counterclockwise, with locking or unclamp being threadedly engaged with of its right end face 46 of screwed securing member 28 and adjustment means 26.In addition, when slip and wearing and tearing occurring, produce a kind of like this state, promptly owing to the interference of other parts outside the locking system, lever arm 24 can't be locked efficiently or be unclamped joint, the invention provides hexagonal head 48 readjusting fast in the double hex configuration 40 of cylindrical part 36.More particularly, the user only needs to pull out simply lever arm 24, this makes 30 compressions of pushing member and hexagonal head 48 be disengaged with double hex configuration 40, and meanwhile, the user can reorientate and readjust the position of lever arm 24 and disturb to eliminate.After the user had reorientated lever arm 24, the user is release lever arm simply, and pushing member 30 makes hexagonal head 48 engage double hex configuration 40 again in the position of readjusting.
An optional embodiment of locking bar assembly 10 shown in Figure 10 comprises elongated axle 70, and it extends and pass cylindrical part 36 from left part 39, and wherein elongated axle is columniform substantially, and the pit of the stomach 71 in its right-hand member place comprises as shown in the figure.Axle 70 the far-end 72 of the screwed securing member engage elongate of bolt 28 is carried in all holders as shown in Figure 2, and described far-end 72 extends through cylindrical part 36 and protruding from the right side part 37 of cylindrical part.
Although illustrated and illustrated each embodiment of the present invention, it should be understood that to those skilled in the art know that other remodeling, replacement and change.Can carry out these remodeling, replacement and change without departing from the spirit and scope of the present invention, and these should draw in the accessory rights claim.
Each feature of the present invention has been proposed in claims.
Claims (21)
1. a repositionable operation rod member (10) comprising:
Rod member body (24), it comprises the cylindrical housings of handle and cardinal principle hollow, described cylindrical housings comprises medial end and outboard end, described medial end comprises the wall that has multiaspect, it is configured to engage the head that has multiaspect of adjustment means, described outboard end has the internal diameter bigger than described medial end, thereby forms annular shoulder;
Adjustment means (26), it is placed in the described cylindrical housings, and comprise the head that has multiaspect, when described adjustment means is in its normal operating position, the described wall that has multiaspect of the described medial end of the described described cylindrical housings of engagement that has a multiaspect, described adjustment means is configured to contact described rod member body, and restriction is along interior side direction moving with respect to described rod member body;
The extremity piece of general cylindrical (32), it is configured to be assemblied in the described outboard end of described cylindrical housings, and it has from end surfaces and inwardly reduces outer radius portion to form annular shoulder, and comprise latch-up structure, automatically described extremity piece is locked to described adjustment means when pressing against on the described adjustment means with box lunch;
Pushing member (30), it comprises the inner and outer end, and described pushing member is configured and is positioned between the annular shoulder of the annular shoulder of described extremity piece and described cylindrical housings, to push described adjustment means to its normal operating position;
Overcome pushing force by manipulation, described rod member body can move along lateral direction with respect to described adjustment means, thereby described head and the described wall that has multiaspect that has multiaspect is disengaged from each other, allow relatively rotating between described rod member body and the described adjustment means simultaneously, so that described rod member body is repositioned on the described adjustment means.
2. operation rod member according to claim 1 is characterized in that, described handle and described cylindrical housings are integrally formed each other.
3. operation rod member according to claim 1 is characterized in that, the described shape that has the wall of multiaspect of described medial end is configured for the hexagon that engages hexagonal head.
4. operation rod member according to claim 1 is characterized in that, an end of the opposite head of described adjustment means also comprises groove, and it is configured to receive and is used for respect to other parts of described rod member instrument with described adjustment means locking.
5. operation rod member according to claim 1 is characterized in that, also comprises the axial port that is partly with screw thread at least in the described head of described adjustment means, and it is configured to the threaded securing member of receiving belt.
6. operation rod member according to claim 1 is characterized in that, described adjustment means also comprises the portion that extends axially of extending from described head.
7. operation rod member according to claim 6 is characterized in that the described portion of extending axially comprises the general cylindrical axle, comprises the axial port that is partly with screw thread at least in the cylindrical shaft, and it is configured to the threaded securing member of receiving belt.
8. operation rod member according to claim 1 is characterized in that described adjustment means also comprises annular lip, and it is configured to engage the outer surface of described medial end.
9. operation rod member according to claim 1 is characterized in that described latch-up structure comprises the annular lip of inside sensing.
10. operation rod member according to claim 7 is characterized in that described adjustment means also comprises annular groove, and it is configured to receive described annular lip.
11. operation rod member according to claim 1 is characterized in that, described pushing member comprises the compression spring.
12. operation rod member according to claim 11 is characterized in that the diameter of described the inner is slightly larger than the diameter of described outer end at least.
13. operation rod member according to claim 1 is characterized in that, an end of the opposite head of the described outboard end of described housing, described extremity piece and described adjustment means is the cardinal principle coplane.
14. operation rod member according to claim 1 is characterized in that, described handle comprises the texture portion that is used to promote grasping.
15. a universal locking lever that is used for the parts selectivity of instrument regulated and be locked on the precalculated position, wherein said instrument is the instrument with respect to the adjustable the sort of type of working face, and described universal locking lever comprises:
Be used to receive rod unit around the axis tumbler;
The rod member device, it is used to realize described rotation around the axis tumbler;
Adjusting device, it comprises medial end, and described medial end is received in described in the axis tumbler and with its rotation;
Lid arrangement, it is used for closing in a termination opposite with described medial end the end of described adjusting device;
Pressing device, it is used for described lid arrangement and described adjusting device are pushed open each other; And
Axially fasten device, it is used for being held in the operability axial alignment with described around axis tumbler, described adjusting device, described lid arrangement and described pressing device.
16. universal locking lever according to claim 15 is characterized in that, describedly comprises the general cylindrical housing around the axis tumbler, it is configured to rotate around its longitudinal axis.
17. universal locking lever according to claim 15, it is characterized in that, described rod member device comprises the general rectangular body, itself and described integrally formed around the axis tumbler, and be formed at along clockwise or realize described rotation when rotating counterclockwise around the moving device of axis dress.
18. universal locking lever according to claim 16, it is characterized in that, described adjusting device comprises the general cylindrical body, comprise the middle pit of the stomach in the described columniform body, described cylindrical body is configured to coupling and locking is contained in the described cylindrical housings and along with described cylindrical housings is rotated.
19. universal locking lever according to claim 18 is characterized in that, described pressing device comprises the compression spring.
20. universal locking lever according to claim 19 is characterized in that, described pressing device is configured to comprise first small-diameter end portions that engages described lid arrangement, and the second largest diameter end that engages described adjusting device.
21. universal locking lever according to claim 20 is characterized in that, described adjusting device comprises hexagonal head, and it engages the double hex configuration of described cylindrical housings.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53726904P | 2004-01-16 | 2004-01-16 | |
| US60/537,269 | 2004-01-16 | ||
| US10/898,875 | 2004-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1910021A true CN1910021A (en) | 2007-02-07 |
| CN100506497C CN100506497C (en) | 2009-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800026104A Active CN100506497C (en) | 2004-01-16 | 2005-01-10 | Universal locking lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100506497C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882530A (en) * | 2019-11-29 | 2021-06-01 | 株式会社牧田 | Operating lever device |
-
2005
- 2005-01-10 CN CNB2005800026104A patent/CN100506497C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882530A (en) * | 2019-11-29 | 2021-06-01 | 株式会社牧田 | Operating lever device |
| CN112882530B (en) * | 2019-11-29 | 2023-08-01 | 株式会社牧田 | Operating lever device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100506497C (en) | 2009-07-01 |
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