Locks – Portable – Padlocks
Patent
1990-05-25
1991-09-03
Wolfe, Robert L.
Locks
Portable
Padlocks
70 52, E05B 6702, E05B 6728
Patent
active
050441809
ABSTRACT:
A shrouded shackle lock having two shell halves with a cover plate in one shell half and a hole in the opposite other shell half. Fastener means positioned in the lock are turnable by a wrench inserted in the hole in the other shell half for removing the cover when the fastener means is disengaged from the cover. Upon the removal of the cover the lock cylinder is removable for rekeying or substitution.
The lock shell halves are engaged together using a lock retainer ring welded to one shell half and thereafter bent over and around the other shell half.
REFERENCES:
patent: 1520975 (1924-12-01), Sterling
patent: 2136654 (1938-11-01), North
patent: 2865193 (1958-12-01), McConnell
patent: 3453846 (1969-07-01), Owen et al.
patent: 4138868 (1979-02-01), Richards, Sr.
patent: 4180996 (1980-01-01), Lebrecht
patent: 4241594 (1980-12-01), Miller et al.
patent: 4290279 (1981-09-01), Fish et al.
patent: 4545223 (1985-10-01), Poutiainen et al.
Master Lock Company
Wolfe Robert L.
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