Peephole for built-in lighting fixture aiming device

Details Peephole for built-in lighting fixture aiming device Peephole for built-in lighting fixture aiming device

1992-08-11

1994-03-08

Cuchlinski, Jr., William A.

Geometrical instruments

Straight-line light ray type

Alignment device

33600, 362 66, G01B 1126

Patent

active

052916618

ABSTRACT:
A peephole for a built-in lighting fixture type aiming device. A frame portion projected on an edge portion of an opening portion is formed on the side thereof with an engaging groove, a frame type hook plate is placed in contact with the peripheral edge of a window glass by a spring member and engaged by a hook with the engaging groove provided in the frame portion, and a seal gasket is held by the frame portion and the window glass with the aid of elasticity of the frame type hook plate to provide an airtight construction. The window glass is mounted by the frame type hook plate avoiding the need for a threaded mounting.

REFERENCES:
patent: 4669035 (1987-05-01), Hyde et al.
patent: 4675793 (1987-06-01), Capellari et al.

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