Joints and connections – Articulated members – Including static joint
Patent
1975-06-17
1976-12-28
Kundrat, Andrew V.
Joints and connections
Articulated members
Including static joint
403 84, 296 97K, B60J 300
Patent
active
039998711
ABSTRACT:
A pivotal mounting, especially for an automobile sun visor, comprising a one-piece plastics sleeve having a generally cylindrical bore, the radially inner surface of which, when viewed along the axis, has a first number of radial undulations spaced around its circumference, in combination with a generally cylindrical member which is a one-piece plastics moulding and lies substantially coaxially within the bore, the radially outer surface of the member, when viewed along the axis, having a second number of radial undulations spaced around its circumference, both numbers being greater in value than one, and being different, the arrangement being such that each set of said undulations can register firmly with the other at a third number of relative angular positions of the sleeve and the member, the third number being greater than the first and second numbers.
REFERENCES:
patent: 604389 (1898-05-01), Hamilton, Jr.
patent: 1381805 (1921-06-01), Crewdson
patent: 2691899 (1954-10-01), Brown
patent: 3227985 (1966-01-01), Hardison et al.
patent: 3317225 (1967-05-01), Cooper
patent: 3330594 (1967-07-01), Cadle
patent: 3360296 (1967-12-01), Hatch
patent: 3532369 (1970-10-01), Reilly
patent: 3722929 (1973-03-01), Gilman
Elvin John D. F.
Isbister Stephen W.
Palmer John P.
Beart Robert W.
Halvorsen J. R.
ITW Limited
Kundrat Andrew V.
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