Locks – Operating mechanism – Combination
Patent
1984-02-23
1986-10-07
Wolfe, Robert L.
Locks
Operating mechanism
Combination
70317, 70318, 70320, 70322, 70323, 70331, 70332, 70444, 70445, 70DIG59, E05B 3716
Patent
active
046151931
ABSTRACT:
A combination lock has a locking bolt movable in bolt-opening and bolt-closing directions by a bolt-operating knob; a plurality of displaceable locking bars each having a predetermined position dependent upon a set combination; an arrangement for preventing the locking bolt from movement from a fully-closed position unless each locking bar is in its predetermined position; a plurality of displaceable code bars connected to the locking bars; a plurality of displaceable digit slides each having an externally accessible, manually engageable portion, a plurality of digit markings and a lug operatively engaging into the associated code bar; a movable carrier plate traversed by the lugs of the digit slides, whereby the locking bars, the code bars and the digit slides are displaced by the carrier plate during a motion thereof in a direction opposite the direction of movement of the locking bolt during opening. The bolt-operating knob is coupled with the carrier plate for moving the latter in a direction opposite the bolt-opening direction during displacement of the locking bolt in the bolt-opening direction.
REFERENCES:
patent: 186268 (1877-01-01), Parise
patent: 802501 (1905-10-01), Fulton
patent: 908691 (1909-01-01), Nielsen
patent: 943471 (1909-12-01), Schoell
patent: 1380260 (1921-05-01), Somora
patent: 1538479 (1925-05-01), Fleury
patent: 2275362 (1942-03-01), Golden et al.
patent: 2869351 (1959-01-01), Rolph
Burg-Wachter KG Alfred Luling
Gall Lloyd A.
Wolfe Robert L.
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