| 摘要 |
<p>934,897. Lift trucks. SCHWERMASCHINENBAU VERLADE UND TRANSPORTANLAGEN LEIPZIG VEB. May 3, 1961, No. 16073/61. Class 78 (3). [Also in Group XXXI] An industrial fork-lift truck is provided with a switch 1 operated at a predetermined height by a rail 2 attached to the load-carrying platform, the switch being arranged in a circuit, Fig. 3, in parallel with a resistance 3 which is in series with the battery, the driving motor and the speed control device 4, whereby, in lower positions of the platform, the resistance 3 is shorted out and in higher positions-where the raised load makes the vehicle unstable-the resistance is incorporated in the motor circuit.</p> |
