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Browse Prior Art Database

Gripper and Grip for Manipulators

IP.com Disclosure Number: IPCOM000043099D
Original Publication Date: 1984-Jul-01
Included in the Prior Art Database: 2005-Feb-04
Document File: 2 page(s) / 25K

Publishing Venue

IBM

Related People

Kreitzer, NH: AUTHOR [+2]

Abstract

The disclosed gripper/grip pair utilizes the gripping force developed by a material pair available commercially under the name VELCRO*. One part of the VELCRO pair is a substantially planar and regular array of plastic hooks, while the other part is a planar quasi-random assembly of plastic loops. A VELCRO part 11, the gripper, has its backing 12 attached to the arm 13 of assembly 10 affixed to the manipulator working face. A plunger 14 axially movable into arm 13 assists in engagement and disengagement of the VELCRO pair. A region 15 around plunger 14 in the VELCRO part 11 is removed, exposing VELCRO backing 12. The other VELCRO part 21, the grip, has its backing 22 attached to an object 23 of an object assembly 20. A region 24, corresponding to region 15, is removed from VELCRO part 21, exposing its backing 22.

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Gripper and Grip for Manipulators

The disclosed gripper/grip pair utilizes the gripping force developed by a material pair available commercially under the name VELCRO*. One part of the VELCRO pair is a substantially planar and regular array of plastic hooks, while the other part is a planar quasi-random assembly of plastic loops. A VELCRO part 11, the gripper, has its backing 12 attached to the arm 13 of assembly 10 affixed to the manipulator working face. A plunger 14 axially movable into arm 13 assists in engagement and disengagement of the VELCRO pair. A region 15 around plunger 14 in the VELCRO part 11 is removed, exposing VELCRO backing 12. The other VELCRO part 21, the grip, has its backing 22 attached to an object 23 of an object assembly 20. A region 24, corresponding to region 15, is removed from VELCRO part 21, exposing its backing 22. An optional tab 25 is provided for removing VELCRO part 21 from object 23. Engagement operation is as follows. With assemblies 10 and 20 axially aligned, assembly 10 is moved toward assembly 20 until the surfaces of VELCRO parts 11 and 21 intermesh. During this operation, plunger 14 is held in position in arm 13 by light spring pressure and driven into arm 13 a predetermined amount by VELCRO backing
22. If assemblies 10 and 20 are misaligned so that plunger 14 is not completely within region 24, plunger 14 will be driven by VELCRO part 21 into arm 13 more than the predetermined amount, generating by appropriate means (no...