Back support structure

A - Human Necessities – 47 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

A47C 7/46 (2006.01) A47C 1/024 (2006.01) A47C 7/44 (2006.01)

Patent

CA 2684418

A tiltable chair including a housing, a back support pivotally attached to the housing about a first horizontal axis and a seat support pivotally attached to the back support about a second horizontal axis and moveably supported by a curved track formed on the housing. A leaf spring includes a first end supported by the housing and a second end biasing the back support and seat support in an upward direction. Preferably, a fulcrum member, which includes a support surface having a curvilinear contour, is moveably supported in the housing and engages a bottom surface of the spring intermediate the first and second ends of the spring. Preferably, a linkage mechanism including a first and second link is adapted to adjust the position of the fulcrum. In another preferred embodiment, a gear housing is removably disposed in said housing and coupled to the fulcrum. In one preferred embodiment, rearward and forward tilt limiters are provided. In various preferred embodiments, the chair further includes a backrest having a plurality of openings, and armrests that are vertically, laterally and pivotally adjustable. In a preferred embodiment, a kit for assembling a seating structure includes a tilt housing having a plurality of connector arrangements comprising at least a first and second connector arrangement, a first seating arrangement having a first mounting arrangement configured to be connected to the first connector arrangement, and a second seating arrangement having a second mounting arrangement configured to be connected to the second connector arrangement.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Back support structure does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Back support structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Back support structure will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1836673

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.