Chairs and seats – Rocker-mounted – Track-mounted rocker
Patent
1977-10-11
1979-02-20
Mitchell, James C.
Chairs and seats
Rocker-mounted
Track-mounted rocker
297318, 297344, 297DIG7, A47C 302
Patent
active
041403428
ABSTRACT:
A rockable against-the-wall type reclining chair which may be gravitationally biased either to a normal upright against-the-wall position or to a forwardly projected away-from-the wall position relative to a base upon which rocking and reclining movement of the chair back can occur with sufficient clearance from the adjacent wall. A chair frame supports the chair seat and back units by means of a conventional reclining mechanism for movement relative to the chair frame between normal upright and reclined positions. The chair frame, in turn, is rockably mounted upon a carriage which is mounted upon a base unit by a roller track arrangement for movement relative to the base between forward and rearward limits of movement. Four embodiments are disclosed. In one embodiment, the base is rockable and the tracks are fixedly mounted on the base. In a second embodiment, the base is fixed and the tracks are supported for pivotal movement on the base. In a third embodiment, the tracks constitute a portion of the carriage and receive rollers which are mounted on the stationary base and which are arranged to accommodate rocking movement of the carriage relative to the base. In these three embodiments occupant initiated forward tilting of the tracks is employed to gravitationally bias the carriage to its forward position. In the fourth embodiment, the tracks are fixedly mounted on the base in a downwardly and forwardly inclined position and the carriage is normally retained at its rearward end limit of movement by a detent like arrangement which can be overcome by a forward shifting movement of the occupant of the chair. In each embodiment, a return spring arrangement is provided which automatically restores the carriage to its rearward limit of movement when the occupant arises from the chair.
REFERENCES:
patent: 144603 (1873-11-01), Enger
patent: 465719 (1891-12-01), Mitchell
patent: 665261 (1901-01-01), Harmon
patent: 2270172 (1942-01-01), Ruegger
patent: 2940509 (1960-06-01), Fletcher
patent: 3295885 (1967-01-01), Barksdale
patent: 3669490 (1972-06-01), Bertolet
patent: 3730585 (1973-05-01), Rogers et al.
patent: 3758151 (1973-09-01), Re
patent: 4072342 (1978-02-01), Johnson et al.
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