Locks – Portable – Padlocks
Patent
1989-07-20
1990-08-28
Wolfe, Robert L.
Locks
Portable
Padlocks
70298, E05B 3718
Patent
active
049522280
ABSTRACT:
A push-button padlock having a swivel-only shackle, the free end of which is receivingly engaged by a sleeve that is reciprocable into the padlock body housing upon actuation of a thumb latch member projecting through the housing, preferably through a hole in the front face. The shackle is an inverted J-shaped shackle with the longer end entrained in the padlock body where it engages a latching mechanism which includes the thumb latch and shackle sleeve members. The thumb latch is preferably of breakaway construction and the sleeve may be rotatable. A locking mechanism of any desired type to selectively lock and unlock the latching mechanism may be employed. One preferred locking mechanism is of push-button type, and another preferred locking mechanism is a key lock mechanism, both of which are operative to selectively lock and unlock the latching mechanism that may be employed.
REFERENCES:
patent: 206528 (1878-07-01), Bramble
patent: 880932 (1908-03-01), Swaggers
patent: 1222082 (1917-04-01), Desealles
patent: 1618841 (1927-02-01), McMenamin
patent: 1835317 (1931-12-01), Miller
patent: 4176533 (1979-12-01), Nordendale
patent: 4660394 (1987-04-01), Wo
patent: 4671084 (1987-06-01), Lin
patent: 4751830 (1988-06-01), Cheng
patent: 4862714 (1989-09-01), Taylor
Bretl Robert J.
Taylor Jewell A.
Lock-R-Lock, Inc.
Wolfe Robert L.
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