Structure for key chain

Details Structure for key chain Structure for key chain

1993-07-22

1994-11-15

Gall, Lloyd A.

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

24 3K, 24656, 70456B, 70459, 206 376, 206 377, A47G 2910

Patent

active

053636805

ABSTRACT:
The present invention relates to an improved structure for key chain, comprising a main body having a thread at the upper end to enable it to be screwed onto the bottom end of a fixed seat, and the main body further having a chamber therein for receiving a disk spring and a top ring that is inserted onto the main body, and the disk spring is held with a conical body on the bottom of the top ring, and a key fastener held by the disk spring is then inserted. When the key fastener is intended for removal, pushing up the top ring will cause the conical body on the bottom of the top ring to prop open the sheet cones of the disk spring, and the key fastener can be removed.

REFERENCES:
patent: 3014744 (1961-12-01), Craik
patent: 3867823 (1975-02-01), Waltower
patent: 3968670 (1976-07-01), Quenot
patent: 4282733 (1981-08-01), Schmitt
patent: 4420860 (1983-12-01), Chamuel
patent: 4713951 (1987-12-01), Ros

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