Supports – Stand – Receptacle
Patent
1975-10-29
1977-04-26
Hafer, Robert A.
Supports
Stand
Receptacle
403 97, 248140, A47F 512
Patent
active
040197085
ABSTRACT:
A swivel mount includes a support bracket including a pair of parallel swivel arms spaced apart to accommodate a loudspeaker assembly therebetween, and having coaxial openings therethrough respectively carrying therein two plunger-actuated expansion type fasteners, the expansible portions of which extend inwardly from the swivel arms. Two swivel members are respectively fixedly secured to opposite sides of the loudspeaker assembly, each having a hollow cylindrical portion receiving therein the expansible portion of the adjacent fastener for support thereon and for rotational and axial movement with respect thereto. Each swivel member carries detent teeth and is axially movable for meshing engagement thereof with complementary detent teeth on the adjacent swivel arm for preventing relative rotational movement of the swivel member and swivel arm. Each swivel member is so dimensioned that only when the detent teeth are thus engaged, the fastener may be expanded into engagement with the inside of the swivel member for preventing axial and rotational movement thereof, thereby locking the detent teeth in their engaged position.
REFERENCES:
patent: 920713 (1909-05-01), Auster
patent: 1293699 (1919-02-01), Cannon
patent: 1467719 (1923-09-01), Falls
patent: 2904298 (1959-09-01), Tateishi
patent: 3112547 (1963-12-01), Poe
patent: 3317225 (1967-05-01), Cooper
patent: 3330594 (1967-07-01), Cadle
patent: 3420485 (1969-01-01), Price
Acoustic Fiber Sound Systems, Inc.
Hafer Robert A.
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