Space adjustment mechanism for a chair
a space adjustment and chair technology, applied in the field of space adjustment mechanism of a chair, can solve the problem that the child's thigh cannot be fully supported by the seat, and achieve the effect of reducing the number of seats
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[0022]Referring to FIGS. 1 to 3, the space adjustment mechanism for a chair according to the present invention is basically including a seat base unit 1, a backrest sliding unit 2 and an angular cross linking unit 3.
[0023]The seat base unit 1 has a body portion 11 for accommodating an occupant to sit thereupon, and a shaft 12 extending downward from down side of the body portion 11.
[0024]The backrest sliding unit 2 has a backrest 21 connected with a slidable rack 23 which has at least one portion slidably engaged with the body portion 11 and formed with a pair of tubular sections 24 parallel to each other. For instance, as shown in FIGS. 2 and 4, the backrest sliding unit 2 may be equipped with a bridging member 22 connected between the pair of tubular sections 24 for slidably engaging with the down side of the body portion 11. Preferably, the down side of the body portion 11 is formed with at least a guiding slot 110, and the bridging member 22 is formed with at least a protruded p...
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