专利名称：Posture iron with safety stop发明人：Alexander A. Karrip,Joseph M.
Wisniewski,Charles C. Pergler
申请号：US05/883415申请日：19780306公开号：US04183581A公开日：19800115
摘要：The specification discloses a chair control in which a generally upright backsupport member is pivotally mounted to a support arm extending rearwardly frombeneath a seat support member, there being a releasable securing means for securing oralowing adjustment of the angle of the back support member relative to the supportarm. The releasable securing means passes through adjacent bottom walls in the backsupport member and the support arm. The support arm includes an integrally formedsafety stop detent flange which prevents the back rest from falling all the wayrearwardly in the event that the releasable securing means inadvertently disengages.
申请人：STEELCASE INC
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