Auxiliary locking mechanism

Details Auxiliary locking mechanism Auxiliary locking mechanism

1977-02-22

1979-05-15

Holko, Thomas J.

Locks

Operating mechanism

Key

70428, E05B 1302, E05B 1714

Patent

active

041540719

ABSTRACT:
The auxiliary locking mechanism of my prior U.S. Pat. No. 3,894,416 is more securely detended and greatly simplified in construction by forming the locking part of the mechanism that is to engage the surrounding metal as a rectangular body and forming a rectangular recess in the part of the surrounding metal that is to be engaged by the aforesaid locking part. The locking part is movable axially of the remainder of the mechanism so that when the mechanism is inserted into a rectangular opening in the side of the body remote from the rectangular recess, the locking part may be depressed and rotated to be aligned with the recess and then released so that it becomes seated in the recess and is securely detented.

REFERENCES:
patent: 305348 (1884-09-01), Smith
patent: 534987 (1895-03-01), Alsdorf
patent: 1472978 (1923-11-01), Treiman
patent: 1580611 (1926-04-01), Kirkpatrick
patent: 2216385 (1940-10-01), Chobert
patent: 2676479 (1954-04-01), Bethune
patent: 2922211 (1960-01-01), Boyd
patent: 3564563 (1971-02-01), Trotter et al.
patent: 3894416 (1975-07-01), Castle

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