Shock absorber for the front or rear region of a railborne...

Details Shock absorber for the front or rear region of a railborne... Shock absorber for the front or rear region of a railborne...

2008-09-05

2010-10-12

Morano, S. Joseph (Department: 3617)

Railway rolling stock

Special car bodies

Shock absorbing

C213S220000, C213S221000

Reexamination Certificate

active

07810437

ABSTRACT:
The invention relates to an energy absorption device as part of a shock absorber for the front or rear region of a railborne vehicle, in particular a streetcar vehicle, wherein the energy absorption device is designed to absorb or dissipate at least a portion of the impact energy which occurs when the vehicle impacts an obstacle. The invention includes a bumper bar which is pivotably connected to the vehicle underframe by a first bearing, a pendulum support connected to the bumper bar by a second bearing and to the vehicle underframe by a third bearing such that the bumper bar and pendulum support form a tripod. The resultant moment of force of the bumper bar pivoting about a pivot axis defined by a first bearing is introduced as linear force into the energy-absorbing mechanism and at least partly absorbed or dissipated there.

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