| 摘要 |
A support assembly for a rocker-recliner chair which includes a base assembly having rocker cams and a support assembly mounted to the rocker cams and which can be shifted between a retracted state, and intermediate extended state and a fully extended state, the support assembly including left and right linkage subassemblies that each include a rocker mounting link, a backrest mounting bracket, a main carrier link pivotally connected to a front portion of the backrest mounting bracket, a back push link pivotally connected to a rear portion of the backrest mounting bracket, a roller lock tube mounting link pivotally connected at a first end to a rear end of the rocker mounting link, a roller lock tube push link pivotally connected between the roller tube mounting link and the back push link, and a roller lock tube connected between second ends of the roller lock tube mounting links of both linkage subassemblies to rest upon the base beneath the backrest mounting bracket to prevent rocking of the support assembly when shifted out of its retracted state, to prevent lateral wandering of the rear ends of the linkage subassemblies and to provide firm support for the backrest mounting bracket thereabove.
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