| 摘要 |
1,015,920. Collapsible trolleys. LONDON COUNTY COUNCIL. Oct. 5, 1962 [Oct. 5, 1961], No. 51494/64. Divided out of 1,001,252. Heading B7B. A stretcher-carrying trolley has angle-section supports 31 to which U-shaped frame members 30, 34 are pivotally attached and the trolley is retained in the erected position by engagement of the pins 32, 33 on the frame 30 with the limbs and the cranked cross-frame member 36 respectively of the frame 34.
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