Swivel joint for a support arm adjustably receiving an appliance

Details Swivel joint for a support arm adjustably receiving an appliance Swivel joint for a support arm adjustably receiving an appliance

1992-11-18

1994-10-25

Reese, Randolph A.

Joints and connections

Articulated members

Lockable at fixed position

403106, 403108, 403263, 403267, 403332, 403292, 403296, F16C 1110, F16M 1108, F21Y 2128

Patent

active

053583523

ABSTRACT:
The swivel joint for a support arm adjustably receiving an appliance, lighting fixture or the like, in which hoses, cables, lines or the like can be passed through the support arm and the swivel joint and can be fixed to the swivel joint and to the support arm; the swivel joint has two joint shells (3, 4), which are limitedly rotatable about a common axis (2) and are held together axially, each having one tubular outrigger arm (5, 6) for connection to one support tube segment (7) each, and both joint shells (3, 4) can be released by an actuation element (8) to move them into various rotary positions and can be locked in the particular rotated position. The actuation element is a manually actuatable pushbutton (8), and an axially displaceable, spring-loaded blocking device (9) that cooperates in a form-fitting and/or force-locking fashion with both joint shells (3, 4) in the joint shell blocking position and with only one joint shell (3) in the joint shell release position is disposed in both joint shells (3, 4), and the pushbutton (8) is connected to the blocking device in a force-locking fashion.

REFERENCES:
patent: 1410325 (1922-03-01), Kupferman
patent: 2608367 (1952-08-01), Boltuch
patent: 2921773 (1960-01-01), Hoelzer
patent: 3533648 (1970-10-01), Thieberger
patent: 4545555 (1985-10-01), Koch
patent: 4666328 (1987-05-01), Ryu
patent: 4748671 (1988-05-01), Wiegel
patent: 4929113 (1990-05-01), Sheu

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