Chairs and seats – Movable back – Tiltable
Patent
1979-10-22
1982-03-30
Zugel, Francis K.
Chairs and seats
Movable back
Tiltable
297408, A47C 100
Patent
active
043221114
ABSTRACT:
A seat, in particular for a tractor, has a shoulder support mounted at the upper end of a backrest of the seat on a hinge device. The hinge device, when locked, holds the shoulder support in an upright position but, when released, allows the shoulder support to be tilted downwardly to a horizontal position to support an arm and shoulder of the seat occupant when plowing or reversing the tractor.
REFERENCES:
patent: 942603 (1909-12-01), Undeland
patent: 2831530 (1958-04-01), Chiopelas et al.
patent: 3429615 (1969-02-01), Belk
patent: 3572831 (1971-03-01), Barecki
patent: 4113310 (1978-09-01), Kapanka
Barley Geoffrey W.
Moorhouse David
Clark Barry L.
Hoatson Jr. James R.
Page II William H.
UOP Inc.
Zugel Francis K.
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