Joints and connections – Articulated members – Plural distinct articulation axes
Patent
1978-03-06
1980-09-16
Shedd, Wayne L.
Joints and connections
Articulated members
Plural distinct articulation axes
403 90, 403133, F16C 1106
Patent
active
042226805
ABSTRACT:
A variable position friction joint, including a housing defining a housing cavity receiving therein a relatively soft lining material defining a lining cavity. A joint member has a rounded end which is received with a snug friction fit within the lining cavity, said joint member and said housing being selectively movable relative to each other. The joint member and said housing may be tipped relative to each other and/or they may be selectively moved rotationally relative to each other relative to the axis of said joint member. The rounded end of the joint member may include a plurality of valleys in the surface thereof to prevent squeaking of the joint when said joint member and said housing are moved relative to each other. The lining material may comprise either a tubular member defining a cylindrical lining cavity or another member which defines a generally spherical lining cavity. The joint may be used in a shade comprising a base, an elongated arm, and a broad top wherein the aforesaid joint may be utilized in connecting said elongated arm to said base and to said top. The joint may be assembled and disassembled simply by pressing together and pulling apart the various components thereof.
REFERENCES:
patent: D193235 (1962-07-01), McNew
patent: D197055 (1963-12-01), Anderson
patent: D214226 (1969-05-01), Sewell et al.
patent: D220991 (1971-06-01), Riley
patent: 596207 (1897-12-01), Hart
patent: 892105 (1908-06-01), White
patent: 2715766 (1955-08-01), Ricks
patent: 2828758 (1958-04-01), Moro
patent: 2905187 (1957-07-01), Croce
patent: 3013244 (1961-12-01), Rudy
patent: 3625553 (1971-12-01), Mattioli
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