Projector having an adjustable height

Details Projector having an adjustable height Projector having an adjustable height

1977-07-11

1979-02-27

Staab, Lawrence J.

Supports

Machinery support

Movable machine

2481882, 353119, F16F 1500

Patent

active

041415230

ABSTRACT:
A projector adjustable in height includes a housing formed with a longitudinal slit at one side thereof, which slit is transverse to the axis of projection of the projector, a handle which has an axis of rotation transverse to the projection axis and to the slit, and which penetrates the housing at least partially. The handle projects from the lower portion of the housing through the slit, and may be pivoted about a point within the housing to a selected position in a direction transverse to the direction of the axle, as well as be rotated about the axis. A clamping device is substantially disposed about the housing point for clamping the handle at a selected position.

REFERENCES:
patent: 1991493 (1935-02-01), Cornelius
patent: 2313663 (1943-03-01), Morgan et al.
patent: 2809553 (1957-10-01), Van Den Broek
patent: 3016793 (1962-01-01), Armbruster
patent: 3148583 (1964-09-01), Maiershofer
patent: 3155362 (1964-11-01), McCall
patent: 3251568 (1966-05-01), Moe et al.
patent: 3396927 (1968-08-01), Masters
patent: 3635432 (1972-01-01), Hollander

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