Door lock assembly for freight vehicles
First Claim
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1. A door locking assembly for securing the door of a freight transporting compartment or the like comprising:
- a bolt member movable between a first, door-locking position;
a second, door-locking position, and a third, positively restrained door-locking position; and
catch means movable separately from said bolt member for selectively and alternatively either blocking or clearing said movement of said bolt member between said first and second positions and between said first and third positions; and
positive retaining means for maintaining said third position without manual action.
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Abstract
A door-locking assembly for securing the door of freight transporting compartment includes a bolt which is movable between a first, door-locking position and a second, door-unlocking position, and is additionally movable into a third, door-unlocking position which provides additional restraint against motion of the bolt into the first or second positions. The assembly also includes catch means for selectively and alternatively either blocking or clearing the movement of the bolt between the first and second positions and between the first and third positions.
28 Citations
22 Claims
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1. A door locking assembly for securing the door of a freight transporting compartment or the like comprising:
- a bolt member movable between a first, door-locking position;
a second, door-locking position, and a third, positively restrained door-locking position; and
catch means movable separately from said bolt member for selectively and alternatively either blocking or clearing said movement of said bolt member between said first and second positions and between said first and third positions; and
positive retaining means for maintaining said third position without manual action. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- a bolt member movable between a first, door-locking position;
Specification