A - Human Necessities – 47 – G
Patent
A - Human Necessities
47
G
248/56
A47G 25/06 (2006.01) A61M 5/14 (2006.01) F16B 2/02 (2006.01) F16B 7/14 (2006.01) F16M 11/26 (2006.01)
Patent
CA 1145736
S U P P O R T U N I T ABSTRACT OF THE DISCLOSURE A vertically adjustable suspension support unit having a vertical cylinder and a brake element slidable in the cylinder. The brake element comprises a pair of collars located coaxially in the cylinder with opposed bevels providing a race- way for spherical bearings, the angle of each bevel being between 35° and 70°, preferably 45° with respect to a transverse plane of the cylinder normal to its axis. The collars are connected to a grip and are movable towards and away from one another to clamp or release the brake element in the cylinder, the brake element being axially rotatable while clamped.
371961
Karapita Alexander D.
Westell & Hanley
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