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US 4,308,732 AGranted
Adjustable digital lock
OwnerLuo C. Hauinventor
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a structure for an adjustable digital lock which is mainly characterized by its floating locking piece which controls rotation of a locking barrel, especially the one which can not be opened whenever the position of any lock ring is not proper or the opening method is not proper or when user can open the lock through listening to sounds; in which the number for such an adjustable digital lock can be easily changed by user.
Claims8
An adjustable digital lock comprising in combination:
- a lock barrel (1) having a terminus (2) adapted to latch and unlatch a lock tongue,
- a locking piece (7) disposed along an axial face of said barrel and separated therefrom by a plate spring (8),
- said locking piece having a tip (10) adapted to encounter a stop block (12) and an arched edge (13) remote from said tip,
- a plurality of lock rings (37) overlying said locking piece and said lock barrel each including a radial key slot (46) for migration therein of said locking piece by the force of said plate spring when aligned therewith,
- a handle (5) overlying said arched end and an associated segment of said lock barrel,
- a push key (27) disposed on said handle adapted to be displaced within said handle against spring pressure,
- said push key adapted to coact against said arched edge translating said locking piece axially when said locking piece is within said radial key slot thereby causing said tip to ride over said stop block.
4 more elements
Dependencies are inferred from the claim text.