Chairs and seats – Legrest or footrest interconnected to move relative to... – With means to move bottom relative to and concurrently with...
Patent
1973-11-05
1976-03-30
Zugel, Francis K.
Chairs and seats
Legrest or footrest interconnected to move relative to...
With means to move bottom relative to and concurrently with...
297316, A47C 1035
Patent
active
039470679
ABSTRACT:
An adjustable easy chair with variable seat inclination and variable seat angle. The chair has a frame, a seat and a back, and a multiple-element linkage mounted to the frame on both sides of the seat and back. Each linkage has two rockers which extend downwardly from a first coupling member supporting the seat of the chair. The lower end portions of the rockers are articulated to a second coupling member which is oriented in approximately the same direction as the first coupling member. The rearward end portion of the second coupling member is articulated to the lower end portion of the rocker mounted to the frame and supporting the back, and the front end portion of the seat is articulated indirectly to the frame of the chair. The linkage is a four-element linkage having two rockers of unequal lengths, the front end portion of the first coupling member being supported on the frame by the four-element linkage. The point of connection of the first coupling member at the linkage is in the region of the point of connection of the longer of the rockers, and there is abutment means for limiting the pivot angle of the rockers at least in the rearward direction.
REFERENCES:
patent: 2859799 (1958-11-01), Moore
patent: 2994363 (1961-08-01), Fox
patent: 3086814 (1963-04-01), Fletcher
patent: 3094353 (1963-06-01), Mizelle
patent: 3269769 (1966-08-01), Mizelle
patent: 3300243 (1967-01-01), Mizelle
patent: 3322459 (1967-05-01), Hampton
Stanzwerk Peitz & Co.
Zugel Francis K.
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