Chairs and seats – Bottom or back – Cushioned
Patent
1999-05-13
2000-03-07
Barfield, Anthony D.
Chairs and seats
Bottom or back
Cushioned
2974491, A47C 702
Patent
active
060330260
ABSTRACT:
A chair frame assembly includes first and second lateral frames formed with aligned first and second mounting holes, and linking units extending between the lateral frames. Each of the linking units includes a tubular positioning sleeve, a connecting rod, a linking rod, and first and second screw bolts. The positioning sleeve is mounted securely on the first lateral frame, and has an axis aligned with a respective one of the first mounting holes. The connecting rod is mounted non-rotatably on the positioning sleeve, and has a first section formed with an internally threaded fastening hole, and an externally threaded second section. The first screw bolt extends through the respective one of the first mounting holes, and engages threadedly the fastening hole. The linking rod has a first end which is formed with an internally threaded first engaging hole that engages threadedly the second section of the connecting rod, and a second end formed with an internally threaded second engaging hole. The second screw bolt extends rotatably through the corresponding one of the second mounting holes, and engages threadedly the second engaging hole of the linking rod.
REFERENCES:
patent: 1400717 (1921-12-01), Benson et al.
patent: 1945113 (1934-01-01), Kloboucnik
patent: 3759572 (1973-09-01), Koepke
patent: 4684149 (1987-08-01), Meyer
Barfield Anthony D.
Shin Yen Enterprise Co. Ltd.
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