| 摘要 |
<p>367,757. Lifting-jacks; cable stoppers. FILIPPONI, G., 13, Int. 7, Viale Regina Margherita, Milan, Italy. Aug. 20, 1930, No. 24946. Convention date, Aug. 21, 1929. Void [Published under Sect. 91 of the Acts]. [Classes 78 (ii) and 78 (iii).] A coupling comprising an internally tapered sleeve 4 and balls 5 carried by an intermediate sleeve or cage 6 is adapted for use as a safety device for winches, lifts, jacks, &c., as shown in the Figure, the rope or bar 8 being checked in its return movement unless the sleeve 6 is raised by the lever 9.</p> |
