| 摘要 |
1,213,476. Protecting guards. R. FRITZMEIER. 4 Dec., 1967 [2 Dec., 1966], No. 55037/67. Heading B7B. A rigid protecting frame member 1 of a tractor has a relatively thin cover 4 secured to it so that on overturning of the tractor the cover 4 will crush to absorb the impact. Further resistance is offered by the crushable walls 12 of the channel 14, by corrugated sheets or members telescoping under controlled resistance. |
