Supports – Resilient support – Including load sustaining bearing or guide
Patent
1981-02-17
1984-01-17
Smith, Gary L.
Supports
Resilient support
Including load sustaining bearing or guide
248556, F16M 1300
Patent
active
044260580
ABSTRACT:
A pneumatic suspension, especially for the seat of a vehicle.
The pneumatic suspension comprises a first horizontal plate (3) meant to support the load of the suspension, and a second horizontal plate (13) affixed to chassis (14) of the suspension, with one or several first pneumatic enclosures (19) wedged between the first and the second plates.
The first plate (3) is connected to the second plate (13) by means of lateral arms (9 and 10) the ends of which are fitted with rods (7, 8) capable of rotating in bearings 35, 36 and 5, 6) respectively affixed to the rear of the second plate and to the front of the first plate. The front of the first plate (3) is, in addition, connected to the front of the second plate (13) by one or several silent-blocks (25). The lateral arms may comprise each two rigid parts connected by silent-blocks (26).
Usable, especially, for seats of tractors, or trucks.
REFERENCES:
patent: 576419 (1897-02-01), Wilmot
patent: 1529138 (1925-03-01), Kuentzel
patent: 2787315 (1957-04-01), Siebert
patent: 2913038 (1959-11-01), McDerby
patent: 3351027 (1907-11-01), Ellard, Jr. et al.
patent: 3770235 (1973-11-01), Klapproth et al.
patent: 3915421 (1975-10-01), Le Forestier
patent: 3957304 (1976-05-01), Koutsky
patent: 4168819 (1979-09-01), Ducrocq
Smith Gary L.
Trettel Michael F.
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