Rigid spine inflatable end effector

Details Rigid spine inflatable end effector Rigid spine inflatable end effector

1989-11-09

1992-02-25

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Expanding

2941193, 901 31, B25J 1500, B66C 100

Patent

active

050907581

ABSTRACT:
This invention relates to an end effector device for robotic or teleoperated type systems for remotely handling various items which includes an inflatable bladder surrounding a rigid cylindrical spine either on its outer surface for grasping the inner bore of deep holes, or on the inner surface of a rigid cylindrical spine for grasping the outer surface of cylindrical objects. The device may be inserted into a hole or natural bore of an item, or, in the configuration having the bladder on the inner surface of the rigid cylindrical spine, may be placed over a cylindrical item or portion of an item to be manipulated by the robotic or teleoperated system. Application of pressure to an inflating fluid inflates the bladder, grasping the item securely with a uniform force. The item is released by releasing the pressure within the bladder, causing it to contract.

REFERENCES:
patent: 2741381 (1956-04-01), Bezien
patent: 3574386 (1971-04-01), Frost
patent: 3741409 (1973-06-01), Painter
patent: 3831995 (1974-08-01), Duncan
patent: 4253694 (1981-03-01), Walter et al.
patent: 4273505 (1981-06-01), Clark et al.
patent: 4783108 (1988-11-01), Fukuyama et al.

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