Coupling mechanism interposed between a seat and a back of a chair to prevent a reclining motion of the back from tilting the seat
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United States of America Patent
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-
Nov 10, 2009
Grant Date -
N/A
app pub date -
Jun 17, 2008
filing date -
Jun 6, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chair has a coupling mechanism between a seat and a back, which includes a joining member, and a coupling member; the seat has two opposite front and two opposite rear ears on a bottom; the joining member is secured on a supporting tube for the seat, and has two opposite sloping slots on each end, and intermediate adjustment slots; the connecting member has a front fixing hole, and a rear sloping slot; the joining member, the connecting member, and the seat are joined together with a first shaft passed through the front ears and the front sloping slots, with a second shaft passed through the rear ears and all of the rear sloping slots; a third shaft is passed through the adjustment slots and the fixing hole; the connecting member is further pivoted to the joining member at a middle portion; the back is joined to the connecting member.
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