Collet type fastener removal tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 17, 1992
Grant Date -
N/A
app pub date -
Dec 1, 1989
filing date -
Dec 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a tool for the removal of locking collars of the frangible fasteners used in the aerospace industry, particularly for removal of fasteners installed in close quarters such in a deep channel where conventional tools cannot grip the collar. The tool has a collet-type chuck to grasp the collar of the fastener and has a lead screw to lock the collet chuck about the collar and permit removal of the collar. For this purpose, the collet chuck has a cylindrical neck which is received within a sleeve. The lead screw is received in the opposite end of the collet sleeve and is threadably engaged in the internally threaded bore of the collet chuck member, preferably with left hand threads, and has a head with wrenching flats. The lead screw has a central axial through bore which receives a key member which is used to immobilize the stud or bolt of the fastener system. A disk member is slidably received within the collet sleeve to eject removed collars from the collet chuck member.
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