Tool gripper

Details Tool gripper Tool gripper

1992-09-01

1993-12-07

Mitchell, David M.

Handling: hand and hoist-line implements

Grapple

Pivoted jaws

294115, 414618, 483 49, B23Q 3155, B66C 142

Patent

active

052677664

ABSTRACT:
A tool gripper to remove a tool from and position the tool in a work spindle or a tool magazine, respectively, includes two tong-like gripper arms, a support attached to a tool changer on which the two gripper arms are mutually movably mounted, and an operating device to open and close the two gripper arms. To achieve a simple construction with only a few individual parts, and to avoid technically complicated hydraulic or pneumatic driving mechanisms, according to the invention a first spring is disposed between the two gripper arms to provide a closing force. Further, the support having a bore therein, is motor-driven and movably arranged on a column. A pin inserted in the bore, which is axially parallel to the column, may be shifted against a second spring, and a locking member laterally attached to the bore engages between the rear legs of the two gripper arms.

REFERENCES:
patent: 4041601 (1977-08-01), Schimanski
patent: 4299532 (1981-11-01), Bouwmeester
patent: 4372728 (1983-02-01), Murakami
patent: 4845835 (1989-07-01), Schneider
patent: 4879802 (1989-11-01), Winkler et al.
patent: 5070592 (1991-12-01), Sugata
patent: 5142766 (1992-09-01), Wehrmeister

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