| 摘要 |
A device for releasably clamping a driving member of a strip-like medium in a desired transverse position with respect to a feed direction where the driving member is axially slidable along a transverse shaft. A pivotal clamping member with a friction surface abuttable against the shaft is biased in abutment therewith by a resilient biasing means. Pivotal displacement of the clamping member is opposition to the biasing means serves to free the driving member for axial adjustment along the shaft.
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