| 摘要 |
A support for oscillating and inclinable chairs, comprising a device for stop the same inatilted position, comprising at least two toothed racks (10, 11) with staggered teeth, placed side by side and adapted to selectively engage a stop pivot (9); the distance between the teeth (12) of the racks placed side by side (10, 11) is equal to P/ n, where P is the pitch of the teeth of each rack and n is the number of racks placed side by side. <IMAGE>
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