Slider mechanism

Details Slider mechanism Slider mechanism

A - Human Necessities

47

C

A47C 7/40 (2006.01)

Patent

CA 2272471

A mechanism for adjusting the height of a back part (3) of a typist's chair uses a sleeve-shaped slider (13) on the back part which slides along a rigid bar (8), and an interengageable pawl (37) and rack (22 or 23) are used to retain the back part (3) in an adjusted position. The sleeve (13) is accurately guided on the bar by engagement of projections (42, 43) such as lengths of cord, with grooves (40, 41). This guide arrangement can also be used for guiding movement of separate parts on furniture or in other applications.

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