| 摘要 |
<p>1501320 Chain couplings COLUMBUS McKINNON CORP 12 Nov 1976 [18 Dec 1975] 47187/76 Heading F2Q A coupling link comprises two substantially U-shaped assembly units of different sizes having interfitting legs 61 . . . 64 which are interconnected by a pin 54 each unit being formed of a laminate of two members 56, 57 and 58, 59 of generally U-shaped sectional configuration. The legs 61 are outwardly flanged in order to protect the ends of the pin 54. A sleeve 68 retains the pin 54 in position, accidental dislodgment being prevented by notching 66 of the pin.</p> |
