Tool gripper
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 7, 1993
Grant Date -
N/A
app pub date -
Sep 1, 1992
filing date -
Sep 9, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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