| 摘要 |
An industrial truck comprising a plurality of wheels including at least a propelling wheel 22 which is propelled by a motor 18 and which is provided with a braking means, which propelling wheel is pressed onto the floor by spring means 28, the biasing force of which is variable by a biasing means 30 in response to wheel slip detected by means 40, 42. The increase in biasing force is preferably impulsive. <IMAGE> |
