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US 7,007,527 B1Granted
Electrified cylindrical lock
OwnerRaymond E. Zehrunginventor
Life of this patent
Estimating the term…
Abstract
An electrified cylindrical lock having a reversible solenoid that can be easily changed over between active push and active pull. The solenoid includes a coil and an armature that may be assembled for an active push or an active pull of a latch member. The coil has a front end and a rear end. The front coil end always faces toward the latch member and the rear end always faces away from the latch member. The armature includes a magnetic slug. The slug is disposed at the rear coil end for the active push mode or disposed at the front coil end for the active pull mode.
Claims16
An electrified cylindrical lock, comprising:
- a chassis having locked and unlocked states;
- the chassis having a latch member having lock and unlock positions for determining said locked and unlocked states, respectively, and
- a solenoid including an armature slug mechanically coupled to said latch member and a coil magnetically coupled to said slug, the coil having a rear coil end and a front coil end, said slug disposed proximate to said rear coil end for an active push on said latch member and disposed proximate to said front coil end for an active pull on said latch member for controlling said lock and unlock positions.
Dependencies are inferred from the claim text.