发明授权
US4087123A Bi-directional adjustable couplings 失效
双向可调联轴器

Bi-directional adjustable couplings
摘要:
A pair of members, one of which has a multiplicity of projections extending therefrom in a uniform geometric pattern with the projections aligned bi-directionally at 90.degree., and the other member has a multiplicity of recesses arranged to mate with the projections to allow bi-directional adjustment and also locking when the members are fastened together.
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