Piercing element gripping apparatus

Details Piercing element gripping apparatus Piercing element gripping apparatus

1989-04-07

1991-10-08

Focarino, Margaret A.

Handling: hand and hoist-line implements

Spears

294907, 111101, 111104, 901 31, 901 46, A01C 1102, B25J 1500, B25J 1902

Patent

active

050548310

ABSTRACT:
A gripping apparatus has at least two elongated piercing elements which slide in elongated collars or sleeves between open retracted positions and closed gripping positions. The piercing elements define an angle and they move toward the vertex of the defined angle when they move from the open position to the closed position. The orientation of the piercing elements and their path of travel are such that objects are reliably and securely held when the piercing elements are in their closed positions and positively released when the piercing elements are in their open positions. A sensor may be provided with the gripping apparatus to sense the presence or condition of the gripped object. The gripping apparatus is especially useful in grasping the root masses of plants for transplanting purposes.

REFERENCES:
patent: 2604351 (1952-07-01), Rose et al.
patent: 3191982 (1965-06-01), Goalard
patent: 3288513 (1966-11-01), Behrick
patent: 3386763 (1968-06-01), Ottaway et al.
patent: 4130072 (1978-12-01), Dedolph
patent: 4289080 (1981-09-01), Penley
patent: 4408414 (1983-10-01), Lehle et al.

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