Spring and tilting arrangement for tiltable driver cabs

Claim 1

An arrangement for mounting a tiltable driver-cab on a vehicle frame comprising: cushioning means arranged between the driver-cab and the vehicle frame for cushioning forces transmitted therebetween by permitting slight relative movements of the driver-cab and the vehicle frame against the cushioning means, tilting means for selectively tilting the driver-cab into and out of a normal driving position with respect to the vehicle frame, said tilting means being movable from a first inoperative condition for normal driving to a second operative condition for forcefully engaging portions of said driver-cab and said vehicle frame to separate said respective portions, first connection means for connecting said tilting means to said driver-cab, and second connection means for connecting said tilting means to said vehicle frame, at least one of said first and second connection means including lost motion means for permitting the slight relative movements of the driver-cab and the vehicle frame against the cushioning means during the normal driving operation by effectively isolating the tilting means from any forceful contact with the driver-cab and vehicle frame, wherein said driver-cab is pivotally attached to said vehicle frame, and wherein said cushioning means includes shock absorber means, said shock abosrber means being pivotally connected to the vehicle frame adjacent the pivotal connection of the driver-cab to the vehicle frame whereby the shock absorber means remains nonextended during the tilting operation.