Chairs and seats – Bottom or back – Framework
Patent
1993-04-22
1994-05-03
Brown, Peter R.
Chairs and seats
Bottom or back
Framework
2974401, 29744020, 29745220, 248351, A47C 700
Patent
active
053081471
ABSTRACT:
An assembly of a chair frame and a reinforcing rod unit is provided to prevent deformation of the chair frame. The chair frame is U-shaped and has two parallel longitudinal frame portions. The reinforcing rod unit has two ends coupled with the longitudinal frame portions respectively so as to prevent the longitudinal frame portions from deformation. The reinforcing rod unit includes a horizontal tube and two pivotal connector mechanisms respectively coupled with two ends of the tube. Each of the mechanisms includes an elongated tube connector coupled with the tube, a flexible hollow frame connector coupled with the corresponding longitudinal frame portion, and a pivot pin to mount the tube connector pivotally on the frame connector. In assembly, when the reinforcing rod unit is placed between the longitudinal frame portions of the chair frame, each of the frame connectors is located at an angular position, in which the ends of the reinforcing rod unit abut against the longitudinal frame portions of the chair frame. Then, the frame connectors are rotated relative to the tube connectors so as to push the longitudinal frame portions of the chair frame outward, thereby locating the reinforcing rod unit at a position in which the total length of the reinforcing rod unit is maximum.
REFERENCES:
patent: 4526423 (1985-07-01), Meinershagen et al.
patent: 4750784 (1988-06-01), Schwartz
Brown Peter R.
Shin Yeh Enterprise Co., Ltd.
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