Template door and wing assembly with break-away feature for...

Details Template door and wing assembly with break-away feature for... Template door and wing assembly with break-away feature for...

2005-04-26

2005-04-26

Jules, Frantz F. (Department: 3617)

Railways

Track layers

Track raising car

C104S279000, C104S002000, C037S281000, C172S126000

Reexamination Certificate

active

06883436

ABSTRACT:
A rail ballast wing assembly includes a outer door with at least one hinge edge, a template door pivotably secured to least one of the hinge edges and a positioning device associated with the outer door and the template door for maintaining an angular orientation of the template door relative to the outer door. A breakaway mechanism is connected to the positioning device and the template door and configured for temporarily disengaging the template door from the positioning device upon exposure to impact forces. The breakaway mechanism preferably includes a plate connecting the positioning device to the template door, and being disengageable from the template door. A top pin on the outer door is pivotably secured to a top plate through the use of at least one retainer bracket.

REFERENCES:
patent: 4019268 (1977-04-01), Waterman
patent: 4249325 (1981-02-01), Theurer
patent: 4275514 (1981-06-01), Maura
patent: 4479312 (1984-10-01), Turgeon

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