1430406-A is referenced by 5 patents.

1430406 Bumpers S MITSUI 1 June 1973 26337/73 Heading B7J [Also in Division F2] A bumper bar 24 is extendible forwardly of the front end 10a of a vehicle body 10 by an amount proportional to the speed at which the vehicle is running. The bar 24 is attached to an extendible rod 20 which is connected to an extensible unit 14 operable by a drive unit 16 connected to the vehicle speed change unit. When the bar 24 strikes an object a friction disc 132 is caused to engage the ground to stop the vehicle (see Division F2).

Apparatus for minimizing accidental damage in vehicle collisions
Application Number
GB19730026337 19730601
Publication Number
1430406 (A)
Application Date
June 1, 1973
Publication Date
March 31, 1976
Mitsui S
B60T 11/04
B60T 01/14
B60R 19/02
B60T 07/12
B60T 07/22
B60T 01/00
B60R 19/24
B60T 07/22
B60T 01/14
B60R 19/40
View Original Source Download PDF