Variable back stop

Details Variable back stop Variable back stop

A - Human Necessities

47

C

155/22

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

Patent

CA 1267831

VARIABLE BACK STOP ABSTRACT OF THE DISCLOSURE A variable back stop is provided for tilt back chairs, and other similar seating, such as the type having a stationary support, and a back which tilts with respect to the support. The variable back stop comprises a stop surface, and at least one stop member, which are located on associated portions of the chair support and the chair back. The stop surface and the stop member are mutually positioned such that rearward tilting of the chair back generally converges the stop surface and the stop member along a line of motion, and forward tilting of the chair back generally diverges the same. The stop member has an engaged position wherein at least a portion of the stop member is positioned in the line of motion to abut the stop surface upon rearward tilting of the chair back, and a disengaged position, wherein the stop member is positioned outside of the path of motion to avoid abutting the stop surface upon rearward tilting of the chair back. An actuator shifts the stop member between the engaged and disengaged positions to selectively stop or limit rearward tilting of the chair back.

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