Slip wheel structure of a watch movement

Details Slip wheel structure of a watch movement Slip wheel structure of a watch movement

1974-10-15

1976-01-06

Miller, Jr., George H.

58138, 58139, G04B 2700, G04B 1302

Patent

active

039303616

ABSTRACT:
A slip wheel arrangement of a watch movement in which a center wheel is provided with an integral arbor which, in turn is formed with a double-tapered portion. For a slip-on coupling of a cannon pinion with the arbor, the pinion is formed with an integral tubular portion which includes a middle resilient part and a thickened end part, and is provided with at least one inwardly projecting projection on the resilient part. The leading portion of the bore of the tubular portion has a diameter larger than the sum of a largest diameter measured at the forward part of the arbor from the double-tapered part, plus the coupling idle gap measured thereat, with the inward projection being positioned within the area of the leading portion.

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