EP3081338A1 - Pince à broches avec caractéristique de serrage multi-épaisseur - Google Patents

Pince à broches avec caractéristique de serrage multi-épaisseur Download PDF

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Publication number
EP3081338A1
EP3081338A1 EP16162931.6A EP16162931A EP3081338A1 EP 3081338 A1 EP3081338 A1 EP 3081338A1 EP 16162931 A EP16162931 A EP 16162931A EP 3081338 A1 EP3081338 A1 EP 3081338A1
Authority
EP
European Patent Office
Prior art keywords
cam
pin
sequence
clamp
pin clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16162931.6A
Other languages
German (de)
English (en)
Other versions
EP3081338B1 (fr
Inventor
Bruce D. Mcintosh
Paul J. Nicholson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHD Inc
Original Assignee
PHD Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US14/858,645 external-priority patent/US9902032B2/en
Application filed by PHD Inc filed Critical PHD Inc
Publication of EP3081338A1 publication Critical patent/EP3081338A1/fr
Application granted granted Critical
Publication of EP3081338B1 publication Critical patent/EP3081338B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/08—Arrangements for positively actuating jaws using cams
    • B25B5/087—Arrangements for positively actuating jaws using cams actuated by a hydraulic or pneumatic piston

Definitions

  • the present invention relates to pin clamp assemblies.
  • Pin clamps are typically used for gripping onto sheets of metal, often on automobile assembly lines so some process can be performed on that sheet metal.
  • the pin clamp includes a locating pin that is extendable through a hole in the sheet metal. A finger extends from the locating pin which then retracts so the finger clamps down onto the sheet. Examples of pin clamps can be found in U.S. Patent No. 7,182,326 , 7,516,948 , 7,448,607 , 7,815,176 , and 7,467,788 .
  • an automobile may be manufactured in a first configuration that employs an internal combustion engine. That same automobile may also be offered in a second configuration that employs a battery powered motor. In these instances, it might be necessary for that automobile to have a different frame depending on whether it is gas or electric powered. An electric powered automobile requires a stronger frame to hold the substantial weight of the batteries needed to power it. A different size frame may require a thicker metal. Because it is the same vehicle, however, it otherwise uses many of the same parts. This makes it desirable to use the same assembly line for both versions, if possible.
  • the present invention provides a pin clamp that can hold a car part of a first thickness, release the clamp from its power supply while it still holds onto the part, process the part, reattach the power supply to the clamp to release the part, and then start the process again but clamping onto another part having a second thickness.
  • This allows the part to be processed anywhere along the assembly line without the clamp having to be constantly connected to a power source. It also no longer requires any readjustment of the pin clamp between removing the workpiece of first thickness and replacing it with a workpiece of second thickness.
  • the pin clamp of the present invention includes an internal lock that compensates for, illustratively, up to about 1.0 millimeters of variation in material thickness.
  • a lock holds the finger firm against the various material thicknesses. This means that panels of different thicknesses can be held by the clamp and all will be held firmly with no play.
  • the pin clamp of the present invention further includes an exterior driving linkage that allows the pin clamp to be operated using an external mechanism.
  • the invention in one form is directed to a pin clamp for clamping a workpiece.
  • the pin clamp has a housing with a longitudinal axis and a locating pin extending through the housing.
  • the locating pin is sized to be positioned within an opening of the workpiece.
  • a finger is selectively radially extendable from and retractable into the locating pin in a transverse direction relative to the longitudinal axis to retain the workpiece on the locating pin.
  • An exterior driving linkage is configured to move the locating pin in opposite directions along the longitudinal axis.
  • a sequence bracket is attached to the housing.
  • a lock bracket attached to the housing opposite the sequence bracket.
  • a sequence cam is connected with the exterior driving linkage in a manner allowing axial movement of the exterior driving linkage to be converted into transverse movement of the sequence cam perpendicular to the longitudinal axis.
  • the sequence cam includes a ledge configured to ride along a top surface of the sequence bracket during a first part of a clamping sequence.
  • the sequence cam further includes an engagement surface which engages an angled surface of the lock bracket during a second part of the clamping sequence to lock the locating pin and the finger against the workpiece upon retraction of the exterior driving linkage.
  • An advantage of the present invention is that it can be operated using an external mechanism while retaining the ability to remain clamped without constant application of input force.
  • the pin clamp of the present invention is again capable of compensating for variations in work material thickness.
  • a pin clamp 2 which includes a housing 4 with a locating pin 6 extending therefrom.
  • a collar 8 illustratively surrounds locating pin 6.
  • a finger 10 is selectively radially extendable from and retractable into the locating pin.
  • a cover 12 attaches to housing 4 via fasteners 14. This allows access to the internal components of clamp 2 as needed.
  • a linear actuator in the form of a pneumatic actuator 16 extends from housing 4 illustratively opposite locating pin 6.
  • a portion of piston rod 122 partially extends from actuator 16 and includes a nut 124 illustratively attached to the end thereof.
  • Fasteners 25 illustratively attach collar 8 to housing 4.
  • FIG. 2 An exploded view of pin clamp 2 is shown in Fig. 2 .
  • This view depicts housing 4 with a cavity 18 formed therein to receive components of pin clamp 2 as further discussed.
  • An opening 26 in housing 4 is configured to receive locating pin 6.
  • locating pin 6 is hollow so it may receive drive rod 28. It also includes slots 30 and 32 along with an opening 34 configured to receive finger 10.
  • Collar 8 is shown with opening 36 configured to receive a portion of locating pin 6.
  • a ledge 38 may serve as a base surface for a workpiece in the form of a piece of sheet metal or other material that is intended to be clamped down by finger 10.
  • Fasteners 25 attach collar 8 to housing 4.
  • a cover plate 40 attaches to housing 4 via fasteners 42 in order to illustratively cover one side of cavity 18 opposite cover 12.
  • Rod 44 extends though locating pin 6 and supports cam roller 57 that travels along the internal cam surface of cam slot 74 as described further herein.
  • a lock bracket 46 fits into cavity 18 using fastener 47.
  • sequence bracket 48 fits into cavity 18 as well and attaches thereto via fastener 49.
  • a Z-bracket 50 with tabs 52 and 53, and spring 51 are also located within housing 12 and is retained by plate 13.
  • a sequence cam 54, a roller 56 and a post 58 are also directed inwardly of cavity 18.
  • Actuator 16 includes a piston rod 60 extending from one end and configured to couple to sequence cam 54 via rod 44 acting through cam roller 57.
  • piston rod 60 is "U” shaped to accommodate sequence cam 54.
  • Rod 122 extends from the other end of actuator 16.
  • Fasteners 62 attach actuator 16 to housing 4.
  • cam roller 57 defines a cam follower that is positioned within and engages the internal cam surface of slot 74.
  • rod 44 could itself define a cam follower which rides within the cam surface of slot 74.
  • pin clamp 2 is configured to first, clamp onto a material of first thickness under fluid power (such as pressurized air), then have that power disconnected, still securely hold the material as it moves down the assembly line, and then reattach fluid power to release the material. Then, that same pin clamp, without any further adjustment or modification, is able to clamp down onto a material of a second thickness under subsequent fluid power and repeat the process again.
  • the pin clamp may hold pieces of sheet metal or other workpieces of a variety of thicknesses and hold those workpieces under power loss without any modification to the pin clamp.
  • the power may be electrical or hydraulic.
  • cover 12 includes a spring bracket 64 configured to hold Z-bracket 50 and a spring 51.
  • Tab 52 is configured to push sequence cam 54.
  • Sequence cam 54 extends through slot 32 through locating pin 6.
  • Rod 44 and dowel 70 are disposed through slot 30.
  • lock bracket 46 and sequence bracket 48 Located on opposite sides of locating pin 6 is lock bracket 46 and sequence bracket 48. Ledge 66 of sequence cam 54 rides along the illustrative top surface of sequence bracket 48 while roller 56 is configured to engage angled surface 68 of lock bracket 46.
  • Roller 56 defines an engagement surface which locks with angled surface 68.
  • Angled surface 68 is positioned at an angle of between 0° to 10°, relative to a direction of movement of sequence cam 54, and may be a flat surface or have a curved or differently shaped surface.
  • Fig. 3 also shows how piston rod 60 extends up through locating pin 6.
  • the U-shaped channel in piston rod 60 is illustratively configured to allow sequence cam 54 to pass in between without interference.
  • Drive rod dowel 70 also extends through slot 30 and is disposed in cam slot 72 of sequence cam 54. It will be appreciated as further discussed herein that dowel 70 also connects sequence cam 54 with drive rod 28 so that the path of cam slot 72 dictates the corresponding movement of drive rod 28 which in turn dictates the extension or retraction of finger 10.
  • Rod 44 connects piston rod 60 with sequence cam 54 via slot 74 for moving the same in directions 76 and 78. (See, also, Fig. 4 .)
  • Progression views depicting how pin clamp 2 operates to clamp down and lock onto a workpiece is shown in progression views of Figs. 4-7 .
  • locating pin 6 is illustratively positioned a distance 80 above collar 8.
  • distance 80 may be 12.5 millimeters, for example. It is appreciated, however, that this distance is illustrative and such distance can be modified as desired.
  • ledge 66 of sequence cam 54 is sitting on top of lock bracket 48. It is contemplated that movement of piston rod 60 from actuator 16 in direction 82 will begin moving sequence cam 54 in direction 78.
  • Fig. 4a Progression views depicting how pin clamp 2 operates to clamp down and lock onto a workpiece is shown in progression views of Figs. 4-7 .
  • locating pin 6 is illustratively positioned a distance 80 above collar 8.
  • distance 80 may be 12.5 millimeters, for example. It is appreciated, however, that this distance is illustrative and such distance can be modified as desired.
  • the upper position of slot 74 includes a locking position 86 that prevents roller 57 from moving if there is an air pressure loss. Also included is detent 59 which helps prevent piston rod 60 from dropping out of locking position 86 under a loss of fluid power.
  • sequence cam 54 receives a bias force in direction 78 from bracket 50. This keeps detent 59 pushing against roller 57 regardless of whether air pressure is being applied to piston rod 60. If air pressure is lost, detent 59 of sequence cam 54 is still pushing against roller 57 preventing it from dislodging from locking position 86.
  • FIG. 5 depicts the consequence of piston rod 60 moving downward in direction 82.
  • roller 57 pulls down out of the pin extended position 86.
  • the roller 57 then contacts surface 75 in cam slot 74, which causes cam 54 to slide in direction 78.
  • This motion causes drive rod 28 to move downwards.
  • Cam follower 92 on drive rod 28 also moves in direction 82.
  • Cam follower 92 is engaged in cam slot 94, which pushes finger 10 in direction 76, extending finger 10 outward from locating pin 6.
  • sequence cam 54 slides in direction 78 finger 10 moves to a fully extended position, just as ledge 66 of sequence cam 54 is no longer engaged by sequence bracket 48.
  • Roller 56 is mounted on a pin 55 that is connected to sequence cam 54, and moves from cavity 90 while approaching lock bracket 46. It is appreciated that the configuration and size of cam slot 94 can be modified to create the desired movement of finger 10 upon response to the drive rod's movement.
  • FIG. 6 The view of clamp 2 in Fig. 6 shows locating pin 6 moving towards its clamped and locking position.
  • roller 57 contacts cam surface 98 that is part of cam 74.
  • the resulting force causes locating pin 6 to move in direction 82, thus narrowing the gap between collar 8 and finger 10.
  • At least a portion of roller 56 is lower than lock bracket 46.
  • Fig. 7a shows locating pin 6 of clamp 2 moved to its final clamping thickness represented by spacing 100.
  • the spacing maybe 2.5 mm.
  • a workpiece will be securely held by finger 10 against collar 8.
  • roller 57 moves down angled surface 98 of cam slot 74.
  • This increasing angle forces sequence cam 54 to continue moving in direction 78 and begin wedging roller 56 up against angled surface 68 creating a locking function.
  • Cam slot 72 is shaped so that as sequence cam 54 continues to move in direction 78, the drive rod 28 remains stationary with respect to locating pin 6, so that the cam follower 92 on drive rod 28 does not move within cam slot 94 and so that finger 10 does not withdraw.
  • Figs. 8 and 9 demonstrate the operation of pin clamp 2 to remove the workpiece. It should be appreciate, however, that in the illustrative embodiment, prior to the movement shown in Figs. 8 and 9 , no power is being supplied to clamp 2. Pressurized air is not needed to maintain the clamping force until the workpiece is needed to be removed from clamp 2.
  • roller 57 moves within cam slot 74 of sequence cam 54.
  • Cam slot 74 is shaped as such to generate low power when piston rod 60 is moving in direction 82 toward the clamped position, and high power when moving in direction 84 toward the release position. This may be made necessary by loads introduced due to welds or by weld guns, requiring increased force in the releasing direction.
  • roller 57 rides along surface 98 which produces a low force.
  • Roller 56 moving along the illustrative 7 degree angle of surface 68 generates enough additional downward force to allow the necessary structures to move.
  • roller 57 travels along surface 102 which creates a high force to move sequence cam 54 back in direction 76 and help remove roller 56 from under surface 68.
  • pressurized air is resupplied to clamp 2 moving piston rod 60 in direction 84.
  • This moves roller 57 upwards in direction 84 as well and against cam surface 102 of cam slot 74.
  • This curved shape of surface 102 causes sequence cam 54 to move in the opposite direction 76.
  • This movement of sequence cam 54 begins to extricate roller 57 from surface 68 of lock bracket 46.
  • FIG. 9 further demonstrates the operation of clamp 2 as piston rod 60 moves in direction 84.
  • roller 57 continues following surface 102 of slot 74 which continues to move sequence cam 54 in direction 76.
  • Roller 56 clears surface 68 of locking bracket 46 further allowing sequence cam 54 and locating pin 6 to move in direction 84.
  • This movement also begins to move pin 70 in slot 72 which will (though not yet) move follower 92 in slot 94 to retract finger 10.
  • locating pin 6 is what is being moved by piston rod 60 to raise finger 10 from the workpiece a distance indicated by reference number 104.
  • locating pin 6 is what is being moved by piston rod 60 to raise finger 10 from the workpiece a distance indicated by reference number 104.
  • locating pin 6 is what is being moved by piston rod 60 to raise finger 10 from the workpiece a distance indicated by reference number 104.
  • clamp 2 as shown in Fig. 9 , continues to move as described until the components are in the position as
  • FIG. 10 depicts clamp 2 clamping down on a workpiece that is thinner than the workpiece clamped down onto in Figs. 4-7 .
  • spacing 106 may illustratively be 2 rams instead of 2.5 millimeters, as employed in Figs. 4-7 .
  • sequence of movement is essentially the same as that described in Figs. 4-7 , except now the further clamping distance (for a thinner workpiece) means sequence cam 54 will move even further in direction 78 which makes roller 56 wedge further along surface 68 of lock bracket 46. No other components to clamp 2 need to be manually adjusted to accommodate a thinner workpiece.
  • locating pin 6 is drawn further down by piston rod 60 in direction 82 moving sequence cam 54 in direction 78 in similar fashion as that described in Figs. 4 ⁇ 7.
  • the only difference is that the spacing 106 is smaller than spacing 100 in Fig. 7 .
  • This moves roller 57 further down cam surface 98 which allows pin 70 to move further along slot 72 and roller 56 further down surface 68 in direction 78.
  • 11 and 12 are similar to that of 10 except pin clamp 2 is now clamping onto even thinner workpieces, such as for the spacing shown in 108 of Fig. 11 and 110 of Fig. 12 . It is appreciated that spacing 110 is thinner than spacing 108 which is itself thinner than spacing 106. To accomplish this, sequence cam 54 is simply moved further in direction 78 in both instances to accommodate for these thinner workpieces. Comparing Figs. 10 , 11 , and 12 , it is easy to see how clamping down on a thin workpiece simply means roller 56 is moved further along surface 68 in direction 78.
  • An issue that may occur is slight movement of locating pin 6 while clamped down onto a workpiece. If clamp 2 is locked and air pressure is removed, if an upward force was exerted on pin 6 it could possibly move that pin slightly despite staying locked. A repetitive upward force acting on pin 6 may result in multiple movements of the same which could knock the clamp out of tolerance. For example, if a 500 pound upward force was applied to locating pin 6, it could possibly move despite roller 56 being wedged against surface 68. A welding gun may exert this amount of force or even more onto a pin clamp. It is believed this movement occurs because the components in the clamp stretch just a little bit. Under a 500 pound force, the movement may be only 0.001 inch.
  • Z-bracket 50 with spring 51 are configured to act on sequence cam 54 to push roller 56 back into position each time it is inadvertently moved. As shown in Fig. 13 , when a force 112 acts upward opposite the clamping direction, roller 56 moves with respect to surface 68. Tab 52 acts on sequence cam 54 biasing it in direction 78 to push roller 57 back to its original position, as shown in Fig. 14 .
  • FIG. 15 An exploded view of these components is shown in Fig. 15 .
  • Tab 52 of bracket 50 is configured to engage edge 114 of sequence cam 54. (See also Fig. 5 .) As spring 51 acts on tab 53, it acts to keep a bias on tab 52 against sequence cam 54.
  • a spring bracket 64 is fitted on cover 12 to receive bracket 50 and spring 51.
  • bracket 64 includes a spring cavity 116 and slot 118 holds spring 51 and bracket 50, respectively.
  • FIG. 16 A top cross-sectional view of clamp 2 is shown in Fig. 16 .
  • This view shows the relative positioning of bracket 50, spring 51 and sequence cam 54.
  • spring 51 biases tab 53 which causes tab 52 to act on sequence cam 54 biasing the same towards lock bracket 46. This helps keep roller 56 properly under lock bracket 46.
  • FIGS. 17a and b Front elevational and side cross-sectional views of clamp 2 are shown in Figs. 17a and b. These views, and particularly the cross-sectional view, demonstrate how piston rod 60 is attached to a piston 120 inside actuator 16. Another portion of piston rod 122 extends from piston 120 partially exterior of actuator 16 and includes a nut 124 attached to the end thereof. Illustratively, nut 124 may be a target for a proximity switch to detect when the clamp is closed. The surface of 124 may be reflective so that when a beam of light hits it when in a certain location, the switch knows the clamp has achieved a certain condition (such as closed).
  • the upper portion of piston rod 60 is coupled to sequence cam 54 via rod 44.
  • roller 57 is shown within cam slot 74.
  • additional rollers 126 also support rod 44. Roller 57 is configured to transmit force while rollers 126 carry side load forces generated by cam slot 74. This has the affect of keeping the piston rod 60 centered.
  • Figs. 18 through 21 show additional views of embodiments of the present invention, a pin clamp 2 having a housing 4 and a locating pin 6 having a finger 10.
  • the locating pin 6 again extends through collar 8 attached to housing 4 using fasteners 25.
  • a cover 12 is again removably attached to housing 4 using fasteners 14 (not shown), thereby allowing access to the internal components of clamp 2 as needed.
  • a cover plate 40 is again removably attached to housing 4 using fasteners 42, also allowing access to the internal components of clamp 2 as needed.
  • the pin clamp 2 in Figs. 18 through 21 is again actuated using pneumatic actuator 16 having a piston rod 122 and nut 124.
  • Pin clamp mounting holes 128 are provided for mounting the pin clamp 2 to a given support structure (not shown).
  • FIG. 22 shows a pin clamp 2 having a housing 4 and a locating pin 6 with a finger 10 being actuated using a pneumatic actuator 16
  • Fig. 23 shows a pin clamp 2 again having a housing 4 and a locating pin 6 with a finger 10 but being actuated using an exterior driving linkage 150 that slides back and forth in directions 82 and 84 using a bearing plate 152.
  • Both embodiments are again provided with a cavity 18 within the housing 4, in which the sequence cam 54 interacts with the locating pin 6 and finger 10 through the cam slot 72, drive rod dowel 70, and drive rod 28 in the same manner as previous embodiments.
  • a Z-bracket 50 again interacts with the housing 4, cover 12 retained by fasteners 14, and sequence cam 54 to bias sequence cam 54 in direction 78.
  • Collar 8 retained by fasteners 25 again guides locating pin 6.
  • the exterior driving linkage 150 shown in Fig. 23 takes the place of the piston rod 60 and rod 44 shown in Fig. 22 , so that in Fig.
  • dowel pin 154 passes through bearing plate 152 and interacts with the cam slot 74 of the sequence cam 54 through the cam roller 57 in the same way that piston rod 60, rod 44, and cam roller 57 interact with the cam slot 74 in previous embodiments.
  • force applied to boss 170 of bearing plate in directions 82 and 84 operates the locating pin 6 and finger 10 of the pin clamp 2 shown in Fig.23 in the same way that force applied to piston rod 60 in directions 82 and 84 by piston rod 122 connected to piston 120 of pneumatic actuator 16 operates the locating pin 6 and finger 10 of the pin clamp 2 in Fig. 22 .
  • the pin clamp 2 in Fig 23 is provided with a cover plate 156 having a slot 158 and retained by fasteners 160.
  • Boss 170 extends through slot 158 of cover plate 156, thereby providing a point for exterior driving linkage 50 to be connected to and driven by an external mechanism (not shown) such as a linkage or actuator.
  • the pin clamp 2 shown in Fig. 23 is provided with a mounting assembly 164 that is attached to the housing 4 using retaining fasteners 166.
  • the mounting assembly 164 is provided with a mounting bore 168 by which it may be attached to an external structure (not shown).
  • An end cover 162 separates the mounting assembly 164 from the internal mechanism of the pin clamp 2 and protects the internal mechanism from contamination.
  • the invention comprises aspects which are disclosed in the sentences below which are part of the description but not claims in accordance with J15/88 of the boards of appeal.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
EP16162931.6A 2015-04-17 2016-03-30 Pince à broches avec caractéristique de serrage multi-épaisseur Active EP3081338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562149319P 2015-04-17 2015-04-17
US14/858,645 US9902032B2 (en) 2011-10-18 2015-09-18 Pin clamp with multi-thickness clamping feature

Publications (2)

Publication Number Publication Date
EP3081338A1 true EP3081338A1 (fr) 2016-10-19
EP3081338B1 EP3081338B1 (fr) 2018-01-31

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Application Number Title Priority Date Filing Date
EP16162931.6A Active EP3081338B1 (fr) 2015-04-17 2016-03-30 Pince à broches avec caractéristique de serrage multi-épaisseur

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EP (1) EP3081338B1 (fr)
CA (1) CA2922317C (fr)
MX (1) MX368757B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109605079A (zh) * 2018-12-28 2019-04-12 江西核力特种设备有限公司 一种双平台面曲面凸轮的机械升降及定位装置
CN113732739A (zh) * 2021-09-18 2021-12-03 十堰合骏实业有限公司 一种用于防护支座前序加工的液压定位夹具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060290042A1 (en) * 2005-06-27 2006-12-28 Colby Douglas D Power clamp
US7182326B2 (en) 2004-04-02 2007-02-27 Phd, Inc. Pin clamp
US7448607B2 (en) 2004-12-15 2008-11-11 Phd, Inc. Pin clamp assembly
US7516948B2 (en) 2004-04-02 2009-04-14 Phd, Inc. Pin clamp accessories
US7815176B2 (en) 2003-09-11 2010-10-19 Phd, Inc. Lock mechanism for pin clamp assembly
US20140103589A1 (en) * 2011-10-18 2014-04-17 Bruce D. McIntosh Pin clamp with multi-thickness clamping feature

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7815176B2 (en) 2003-09-11 2010-10-19 Phd, Inc. Lock mechanism for pin clamp assembly
US7182326B2 (en) 2004-04-02 2007-02-27 Phd, Inc. Pin clamp
US7467788B2 (en) 2004-04-02 2008-12-23 Phd, Inc. Pin clamp
US7516948B2 (en) 2004-04-02 2009-04-14 Phd, Inc. Pin clamp accessories
US7448607B2 (en) 2004-12-15 2008-11-11 Phd, Inc. Pin clamp assembly
US20060290042A1 (en) * 2005-06-27 2006-12-28 Colby Douglas D Power clamp
US20140103589A1 (en) * 2011-10-18 2014-04-17 Bruce D. McIntosh Pin clamp with multi-thickness clamping feature

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109605079A (zh) * 2018-12-28 2019-04-12 江西核力特种设备有限公司 一种双平台面曲面凸轮的机械升降及定位装置
CN109605079B (zh) * 2018-12-28 2024-03-19 江西核力特种设备有限公司 一种双平台面曲面凸轮的机械升降及定位装置
CN113732739A (zh) * 2021-09-18 2021-12-03 十堰合骏实业有限公司 一种用于防护支座前序加工的液压定位夹具

Also Published As

Publication number Publication date
MX368757B (es) 2019-10-15
MX2016003322A (es) 2016-10-17
CA2922317A1 (fr) 2016-10-17
CA2922317C (fr) 2023-06-06
EP3081338B1 (fr) 2018-01-31

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