Chairs and seats – Movable bottom – Tiltable
Patent
1981-10-05
1985-01-01
Zugel, Francis K.
Chairs and seats
Movable bottom
Tiltable
297322, 297327, A47C 3026
Patent
active
044913664
ABSTRACT:
A new and improved chair is presented. In one embodiment the chair has a base, each side of the base having a front guide member and a rear guide member operably connected thereto. Each side of the seat portion of the chair has one end of a front roller pivot member and one end of a rear roller pivot member connected thereto. The opposite end of the front roller pivot member has a roller rotatably mounted thereto and the opposite end of the rear roller pivot member has a rear roller rotatably mounted thereto. The front and rear rollers ride in the front and rear guide members in order to change positions of the seat portion. The front guide member slopes downwardly from its rear end to its front end, while the rear guide member slopes downwardly from its front end to its rear end in order to enable the user to use his body weight to shift the seat position from at least a first position to a second position and vice versa. In another embodiment the rollers are operably connected to the base and the roller guides are connected to the seat portion.
REFERENCES:
patent: 1155893 (1915-10-01), Crippen
patent: 1836353 (1931-12-01), Withrow
patent: 2611420 (1952-09-01), Diehl
patent: 2660222 (1953-11-01), Woodsworth
Brown Peter R.
Zugel Francis K.
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