| 摘要 |
1,067,466. Endless conveyers. DOLLERY & PALMER Ltd. July 19, 1965 [July 31, 1964], No.30395/64. Heading B8A. [Also in Division E1] A double-acting hydraulic jack 24 is selectively positionable in a support chock 10, (see Division El), by a detent 42 engaging one of a series of holes 46, 48 arranged in a guide plate mounting 26 for the jack. The jack 24 carries a control valve having a forked end 54 pivotally coupled to the conveyer by a plate 56. |
