Bar-tumbler type safety lock

Bar-tumbler type safety lock

Barrel having tumbler plates for a cylindrical lock

Barrel lock assembly

Bezel

Bezel lock, key and receiver assembly

Biased detent for door knob assembly

Bicycle lock

Bilateral key for cylinder lock

Binary coded key and latch-actuator

Bit key lock

Blocking device for latch mechanism

Blocking device for latch mechanism

Booby-trapped lock cylinder with integral intrusion detector

Braced front loading lock system for office furniture

Bramah locks

Bramah or pin lock

Break-away knob driver

Breakaway cylinder head

Built-in safety device and key for a safety lock