134: How to understand sash lock /entrance lock /sash function mortice lock

Mortise Sash Lock

Locks for interior and exterior doors .e,.g in public buildings

Features

Outside:

Opened by handle when unlocked .

Lever withdraws latchbolt

Keys locks or unlock deadbolt

keys withdraws latchbolt.

Inside :

Opened by handle when unlocked .

Lever handle withdraws latchbolt.

Key/thumbturn locks/unlock the deadbolt.

Key or thumbturn withdraw latchbolt.

 

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