Rotary board

Details Rotary board Rotary board

1984-05-29

1985-12-03

Lyddane, William E.

Horizontally supported planar surfaces

Power driven

108139, A47B 1100

Patent

active

045559902

ABSTRACT:
A rotary board for serving dishes on, comprises a generally annular base member (2), and a circular board (B) driven by a motor (8) installed in the base member (2).
Ball bearing units (5, 5') are mounted between the board (B) and the base (2), which comprise a pair of coaxial ball bearing units (5, 5') the inner rings (4, 4') of which are fastened together and driven by the motor (8). The lower one (3') of the outer rings of the ball bearing units is fastened to the base member (2), while on the upper outer ring (3) rests the board (B), whereby the upper outer ring (3) and the board (B) thereon are permitted not only to rotate following the inner rings (4, 4'), but also to stay checked by hand while the inner rings are driven by the motor.

REFERENCES:
patent: 905018 (1908-11-01), Sullivan et al.
patent: 3142269 (1964-07-01), Keck
patent: 3713619 (1973-01-01), Marty
patent: 3760745 (1973-09-01), MacManus
patent: 4239009 (1980-12-01), Cunningham
patent: 4258966 (1981-03-01), Grubb, Jr.
patent: 4330696 (1982-05-01), Pomerov et al.
patent: 4504715 (1985-03-01), Jorgensen

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