Mechanism for adjusting vertical angle

Details Mechanism for adjusting vertical angle Mechanism for adjusting vertical angle

1982-09-29

1984-10-02

Schultz, William H.

Supports

Easel; book, copy or music score holder

With adjustable inclination

248180, 248183, 292338, A47G 124

Patent

active

044743521

ABSTRACT:
A vertical angle adjusting mechanism for use in a display device and other devices, including a support on which an object whose vertical angle is to be adjusted is mounted, the support being pivotable upward and downward, the support being provided with an engagement slot formed with a plurality of recesses; a lock element pivotally attached to the object and engaged with the engagement slot in the support; and a slide member attached to the support and engaged with the lock element for selectively exposing or covering the recesses of the engagement slot in the support for engagement, or for preventing engagement, with the lock element according to the direction of the movement of the lock element.

REFERENCES:
patent: 3940181 (1976-02-01), Cheek
patent: 3991967 (1976-11-01), Sack
patent: 4196674 (1980-04-01), Van Laarhoven
patent: 4349173 (1982-09-01), Volka et al.

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