Motor vehicles – With means for promoting safety of vehicle – its occupant or... – Responsive to engagement of portion of perimeter of vehicle...
Patent
1993-05-24
1996-01-09
Culbreth, Eric D.
Motor vehicles
With means for promoting safety of vehicle, its occupant or...
Responsive to engagement of portion of perimeter of vehicle...
180277, 293 4, 293 27, B60K 2810
Patent
active
054821347
ABSTRACT:
In a anticollision device for driverless industrial trucks (1), preferably automotive assembly platforms, switching bails (9) are articulated by a bilateral lever mechanisms at one end of the industrial truck. These switching bails are located in an outer operating position (37) during single travel and they trigger an emergency stop via switches (11, 30) on impact against an obstacle. On entry into a pushing unit section, control rollers (13) run, in a mechanically restrictedly guided manner, up onto stationary guide rails (14), and automatically engage the lever mechanisms (42) via roller levers (12), and two guide sleeves (24), arranged on a cross guide (25), are displaced linearly in relation to one another against the pretensioning force of at least one spring (26) via spring levers (23). As a result, the switching bails (9) are brought into an out-of-operation position (38) located within the contour of the vehicle, while the switches (11, 30) are inactivated at the same time, as a result of which pushing forces generated by an external drive (35) can be transmitted to the vehicle chassis (28) of the vehicle traveling in front of it from the industrial truck (1) actually traveling in the rearmost position relatively without loss. After elimination of the mechanical restricted guidance, the lever mechanisms (42) are again pressed automatically into their original positions by the pretensioning force of the spring (26), and the switching bails (9) are now displaced from the vehicle contour into their operating position (37).
REFERENCES:
patent: 1252551 (1918-01-01), Cole
patent: 4403674 (1983-09-01), Viall, Sr. et al.
patent: 4635982 (1987-01-01), Feldmann et al.
patent: 4674590 (1987-06-01), Krieg
patent: 4951985 (1990-08-01), Pong et al.
Culbreth Eric D.
Indumat GmbH & Co. KG
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