| 摘要 |
A retainer for a revolver yoke stud includes a screw portion with spring and pin detent carried thereby in a unitary assembly. The yoke stud includes an angular groove with a chamfered surface adapted to be engaged by the tapered end of the pin. The frame of the revolver is provided with a threaded bore and a hole in its plate aligned with the chamfer of the stud when the yoke is disposed in operative position in the revolver. The screw serves the dual function of a fastener for the side plate and as the base or mounting member for the spring detent assembly. The screw and pin include oppositely opening tubular recesses and the pin is adapted for axial movment with respect to the screw member. The outer ends of the spring are enlarged to be captured and retained in the opposed tubular recessed of the screw and pin, thereby forming a unitary assembly.
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