the fully reclined position is illustrated in fig6 c the compression member 140 of the improved spring can assembly biases the back frame support member 65 to return to the non reclined position shown in fig6 b after the reclining force is released whereas in one embodiment illustrated in fig3 a and 3b compression member 140 is defined by a helical coil spring it will be appreciated that other compression members could be utilized for instance as illustrated in fig3 c compression member 140 u2032 could be defined by a crest to crest wave spring those skilled in the art will recognize that other known compression members could be utilized for biasing the plunger 145 upward upon release of the reclining pressure applied to the back support frame member 65 in the preferred embodiment the range of compression of the plunger member 145 and compression member 140 is limited to approximately u215c u2033 further while the can member 135 is illustrated as being a separate component carried by recess 130 it will be appreciated that the can member 135 and the recess 130 could be integrally formed in one embodiment as the chair 10 is being assembled it will be appreciated that the frame members will be fully assembled prior to the attachment of either the seat cushion 30 or the supporting seat back member not shown are attached with the back frame support member 65 tilted forward as illustrated in fig6 a compression member 140 and plunger member 145 are inserted within can 135 the back.