| 摘要 |
1,026,687. Hand trucks. R. A. NEAVERSON and P. A. NEAVERSON. March 24, 1964 [March 28, 1963], No. 12384/63. Heading B7B. A jacking unit has a body part 3 supported on fixed-axle wheels 5 and on a wheel 12 carried by a yoke pivoted to the body and movable to pre-set positions determined by the recesses 9, 10 engaged by the spring-urged rod 15. The load-engaging recess 18 and spigot 19 for engagement with the spigot 28 and recess 27 on the truck 24 are mounted on a channelshaped part 17 pivoted to the body 3 so as to be movable between the lower position shown in Fig. 3 to a raised position (Fig. 5) in which it is supported on struts 20. |
