Chairs and seats – Movable back – Tiltable
Patent
1987-10-13
1989-01-24
Herrmann, Allan D.
Chairs and seats
Movable back
Tiltable
74 8915, 744115, 744248R, 74586, 83446, 108150, 188 67, 248421, 248429, 297346, B60N 102, B60N 108, F16H 2520
Patent
active
047997346
ABSTRACT:
This device comprises at least one pair of screw-and-nut elements cooperative with the fixed and movable parts in respect of which elements the screw angle is large enough to ensure that the efficiency of the translation to the rotation is slightly positive, and is provided with means for locking the rotary element of the pair after adjustment of the position of the movable part. This system permits the locking of the movable part in the chosen position by a relatively small force as compared to the forces to which the device is subjected. The device is useful for adjusting a table guide of a woodworking machine, or for adjusting a car seat or the seat of a stool.
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Herrmann Allan D.
Rockwell-CIM
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