Locating device for numeral wheel of numeral lock

Details Locating device for numeral wheel of numeral lock Locating device for numeral wheel of numeral lock

1995-02-28

1997-08-05

Dino, Suzanne

Locks

Operating mechanism

Combination

70317, 70327, E05B 3702

Patent

active

056531362

ABSTRACT:
A locating device for a numeral wheel of a numeral lock, comprising a lock body, several numeral wheels, notched wheels and springs, wherein a locating channel is formed on a surface of the notched wheel in front of projections thereof and a latch spring is disposed in the locating channel. The latch spring has upward projecting portions, whereby when the notched wheel is fitted into the numeral wheel, the projecting portions of the latch spring and the projections of the notched wheel are all engaged with recesses of the numeral wheel. When it is desired to adjust or change a lock code, a pushing pin is used to push the notched wheel backward so as to disengage the projections from the recesses while keeping the projecting portions of the latch spring resiliently engaged with the recesses. Therefore, the numeral wheel can be rotarily adjusted and located without totally disengaging from the notched wheel so as to avoid poor location and jumping of the numeral wheel.

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