Chairs and seats – Armrest – Adjustable to multiple use positions relative to bottom or back
Patent
1996-08-23
1997-12-30
Cranmer, Laurie K.
Chairs and seats
Armrest
Adjustable to multiple use positions relative to bottom or back
29741132, A47C 754
Patent
active
057021570
ABSTRACT:
An adjustable armrest mechanism includes a mounting bracket securely mounted relative to a vehicle seatback, an armrest rotatable relative to the mounting bracket, an armrest bracket securably attachable to the armrest, a pawl attachable with the armrest bracket, a coil spring for biasing the pawl, and a ratchet securably mounted onto the mounting bracket. The ratchet includes a camming surface having a plurality of serrated teeth for engagement with the pawl. A plurality of in-use positions are defined by engagement between the pawl and the serrated teeth. The armrest bracket includes a stop which prevents further rotation of the pawl member during disengagement. Cooperative engagement of the pawl with an armrest stop and a ratchet stop on the camming surface prevents further rotation of the pawl during relative rotation into the non-use position.
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Cranmer Laurie K.
Tachi-S Engineering U.S.A., Inc.
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