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Title: Robotic end gripper with a band member to engage object

An end effector for use with robotic arms and like devices is described that utilizes a flexible band to draw an object against an anvil having a concave surface. One typical convex surface is created by a V-block, with an apex of the V being centrally located. If an object to be grasped is fragile, the contour of the concave surface closely matches the surface of the object. Typically the movement of the band is effected by a linear actuator, with the anvil remaining fixed relative to a support base. Several embodiments are described that utilize variations in drawing the band toward the anvil, with one of these embodiments described in detail in the form of a fabricated unit. One embodiment includes a cover element that can be moved over an object after the grasping thereof, with this cover potentially serving various functions. Movement of the cover can be effected with a second linear actuator. 8 figures.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
7036280
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States) PTO; EDB-94-102965
Patent Number(s):
US 5310233; A
Application Number:
PPN: US 7-872152
Contract Number:
AC05-84OR21400
Resource Relation:
Patent File Date: 22 Apr 1992
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; MANIPULATORS; DESIGN; ACTUATORS; COVERINGS; OPERATION; REMOTE HANDLING; EQUIPMENT; LABORATORY EQUIPMENT; MATERIALS HANDLING EQUIPMENT; REMOTE HANDLING EQUIPMENT; 420203* - Engineering- Handling Equipment & Procedures