Armrest for dental chair

Details Armrest for dental chair Armrest for dental chair

1974-10-15

1976-04-13

Frazier, Roy D.

Chairs and seats

Armrest

Attachable to diverse chairs or seats; i.e., portable

108142, 248118, 248418, 297417, 403 96, 403 97, A47C 754

Patent

active

039500276

ABSTRACT:
An armrest for dental chairs and the like can be rotated 90.degree. in a horizontal plane about a vertical axis to permit easier entry and exit of a patient to and from the chair. The armrest is automatically locked at either the forward position or the 90.degree. position and is unlocked simply by lifting vertically on the armrest. A single set screw for connecting the armrest to the dental chair not only makes the armrest operable but also allows the armrest to be offered as an optional feature of the dental chair.

REFERENCES:
patent: 495914 (1893-04-01), Smart
patent: 613633 (1898-11-01), King et al.
patent: 1158599 (1915-11-01), Wall
patent: 1693782 (1928-12-01), Hasselkus
patent: 1885384 (1932-11-01), Snow
patent: 3829159 (1974-08-01), Leffler

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