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US 4,770,013 AGranted
Combination lock
AssigneeClover Co., Ltd.
InventorHatsuo Nakai
Life of this patent
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AssigneeClover Co., Ltd.
InventorHatsuo Nakai
Estimating the term…
The present invention is of a lock applied to an opening/closing part of a locker for rent or the like, and in a movable member of a door or the like, a combination lock is constituted with a locking mechanism having a cam plate engaging with and disengaging from a catching part of a main unit side and a dial lock having a plurality of dials defining movement of an operation shaft which is disposed in connection with this locking mechanism and engages with and disengages from the movable shaft member of the locking mechanism to define the movement thereof, and particularly in the present invention, a mechanism wherein the utilizer can arbitrarily set numerals for unlocking in the dial lock and a dial restoring mechanism, which restores all numerals of the respective dials to the position of zero after setting of numerals for unlocking are installed.
A combination lock comprising a locking mechanism wherein a cam plate is fixed to a shaft member rotated by finger operation or key operation, an operation shaft which is disposed in connection with this locking mechanism and defines operation of the shaft member and a dial lock having a plurality of dials which are journaled on this operation shaft through a bush and defines movement of the operation shaft, comprising:
Dependencies are inferred from the claim text.