Supports – Armrest or headrest – Armrest for writer
Patent
1992-11-17
1994-05-03
Ramirez, Ramon O.
Supports
Armrest or headrest
Armrest for writer
2803041, 297406, 297409, 297410, B68G 500
Patent
active
053080289
ABSTRACT:
The headrest support for a wheelchair includes a horizontal member with a pair of slide-adjustable clamping blocks that each hold a vertical member. Spacer blocks are provided at the ends of the horizontal member for mounting the headrest support to the back of the chair while allowing the necessary clearance for adjustment of the clamping blocks that lock into position along the horizontal member. A separate locking mechanism on each clamping block provides for independent continuous vertical adjustment of each of the vertical members. Each vertical member supports a forward/rearward member which permits forward/rearward adjustment of a padded occipital support that connects to the forwardmost end of the forward/rearward members. The forward/rearward members also permit adjustment of upward/downward tilt of the occipital support. Selected points of attachment of the forward/rearward members to the occipital support determine the degree of clockwise/counterclockwise rotation and obliquity. These separate adjustments in horizontal, vertical, forward/rearward directions, upward/downward tilt, clockwise/counterclockwise rotation and obliquity, taken together, make possible great precision and versatility in adjustability of the occipital support.
REFERENCES:
patent: 1471168 (1923-10-01), Katz
patent: 1817755 (1931-08-01), May
patent: 3764180 (1973-10-01), Mulholland
patent: 4128274 (1978-12-01), Schmedemann
patent: 5011226 (1991-04-01), Ikeda et al.
patent: 5074574 (1991-12-01), Carwin
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