Rotatably unlockable combination lock having removable shackle

Details Rotatably unlockable combination lock having removable shackle Rotatably unlockable combination lock having removable shackle

1991-06-27

1992-09-01

Luebke, Renee S.

Locks

Portable

Padlocks

70312, E05B 3702

Patent

active

051428881

ABSTRACT:
A combination lock includes a locking member normally locking a U-shaped shackle lockably secured on a cylindrical casing, a rotating knob rotatably mounted in a lock body combinably secured with the cylindrical casing having a plurality of combination dials and sleeves rotatably mounted on the lock body, whereby upon a rotation of the dials to a predetermined opening combination on the lock body to unlock the rotating knob to allow a free rotation of the rotating knob to disengage the locking member from the shackle, the shackle will be unlocked and removed from the cylindrical casing easily.

REFERENCES:
patent: 3855826 (1974-12-01), Hori
patent: 3983724 (1976-10-01), Foote
patent: 4085600 (1978-04-01), Bindari
patent: 4354365 (1982-10-01), Mayer et al.
patent: 4615191 (1986-10-01), Granby
patent: 4621509 (1986-11-01), Mizumo
patent: 4885923 (1989-12-01), Nakai
patent: 5027623 (1991-07-01), Ling

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