B - Operations – Transporting – 60 – N
Patent
B - Operations, Transporting
60
N
B60N 2/14 (2006.01) B60N 2/38 (2006.01) F16C 33/78 (2006.01)
Patent
CA 2618760
The present invention is directed to a swivel seat assembly comprising a seat and a seat support. The seat support includes upper and lower swivel plates each having an annular recess or track. The lower plate track has one or more openings. A plurality of ball bearings are disposed between the upper and lower plate track, with each of the ball bearings having a diameter greater than the width of the lower plate track. As a result, each of the ball bearings rides on the sides of the lower track and is spaced from the bottom of the track. The seat support also includes an annular retainer having a plurality of apertures and at least one wiper, with each aperture sized to receive one of the ball bearings and the wiper configured to direct debris from the lower plate recess into the one or more openings of said lower plate recess.
Finlayson & Singlehurst
Sears Manufacturing Company
LandOfFree
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