Robotic mechanical hand

Details Robotic mechanical hand Robotic mechanical hand

1986-02-03

1987-02-17

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Pivoted jaws

294 864, 623 64, A61F 106, B66C 316

Patent

active

046434739

ABSTRACT:
A dual mode robotic mechanical hand is disclosed in a preferred embodiment with one fixed and two opposed articulated fingers, each with a base and a tip digit. In a first mode, the two independently controlled articulated fingers are operated to soft grip an object against the fixed finger. In a second mode, the base digits are anchored so that only the tip digits rotate, allowing smaller size objects to be conveniently manipulated. The preferred embodiment is designed for particular compactness and simplicity, as well.

REFERENCES:
patent: 2549074 (1951-04-01), Fishbein et al.
patent: 3927424 (1975-12-01), Itoh
patent: 4246661 (1981-01-01), Pinson
patent: 4350381 (1982-09-01), Hellman
patent: 4367891 (1983-01-01), Wauer et al.
NASA Tech. Brief, vol. 8, No. 1, item #144 from JPL Invention Report 5413/NPO-15959, by Ruoff & Salisbury.
Dept. of Physical Engineering, Tokyo Institute of Technology, 2-12-1, Ohokayama, Meguro-Ku; Tokyo, Japan, "The Development of Soft Gripper for the Versatile Robot Hand".

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