Supports – Stand – Tilting support surface
Patent
1996-09-03
2000-07-18
Canfield, Robert
Supports
Stand
Tilting support surface
248923, A47G 2900
Patent
active
060895209
ABSTRACT:
A swivel base includes a stationary bottom support to be placed on for example a desk and a movable tray movably supported on the fixed bottom support to support thereon for example a monitor. The bottom support has a circular wall having an inclined inner face and the movable tray has a concave member corresponding to and slidably supported on the inclined face. A post located at center of a recess defined by the circular wall with an expanded retaining member fixed thereon. An elongated slot is provided on the concave member and has an widened section to receive the penetration of the retaining member for retaining the post within the slot in a movable manner and to allow the movable tray to rotate about the post. A stop block is provided within the recess defined by the circular wall and a corresponding rib is provided on the underside of the concave member to be contactable with the stop block for limiting the rotation of the movable tray about the post. A cantilever type, resilient plate having a side lug formed on a free end thereof is formed on the inclined face to be depressible by the rib. The rib has an L-shaped paw and the side lug of the resilient plate has an inverted L-shaped catch engageable with the L-shaped paw to prevent the movably tray from disengaging from the bottom support.
REFERENCES:
patent: 4554590 (1985-11-01), Chelin et al.
patent: 5024415 (1991-06-01), Purens
patent: 5145134 (1992-09-01), Hashimoto et al.
patent: 5398903 (1995-03-01), Cho
patent: 5465936 (1995-11-01), Wang
patent: 5588625 (1996-12-01), Beak
Hsu Tsung Jung
Wu Wei-Chung
Canfield Robert
Mag Technology Co., Ltd.
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