Handling: hand and hoist-line implements – Grapple – Slideable jaws
Patent
1986-05-30
1987-11-17
Cherry, Johnny D.
Handling: hand and hoist-line implements
Grapple
Slideable jaws
294 88, 901 37, 901 39, B25J 1508
Patent
active
047070137
ABSTRACT:
A wide-throw parallel-action gripper of the split-rail design is disclosed. The gripper includes a pair of preloaded linear bearings which engage the outward surfaces of each rail and two roller bearings spaced on either side of a pinion, all mounted onto a pinion shaft, which engage the inward sides of each rail. A single finger is mounted at opposed ends of each rail and an actuator is connected either to one of the rails or to the central pinion. The actuators can include a pneumatic cylinder of electrical stepping motors or D.C. servo motors.
REFERENCES:
patent: 3199910 (1965-08-01), Bradley
patent: 3727965 (1973-04-01), Cranston et al.
patent: 4591198 (1986-05-01), Monforte
"Needle Roller and Flat Cage Assemblies", INA Technical Manual, pp. 120-1 Apr. 9, 1985.
THK America, Inc. Technical Manual, THK Co., Ltd., Apr. 9, 1985.
IBM Technical Disclosure Bulletin, vol. 23, No. 11, Apr. 1981, "Linear Robotic Gripper", by Cummins et al.
Bunch Wayne R.
Johns William L.
Vranish John M.
Cherry Johnny D.
Englert Alvin J.
Novick Harold L.
The United States of America as represented by the Secretary of
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