Inflating safety apparatus for leaf spring trailers and...

Details Inflating safety apparatus for leaf spring trailers and... Inflating safety apparatus for leaf spring trailers and...

2005-07-11

2009-08-25

Dickson, Paul N. (Department: 3616)

Land vehicles

Wheeled

Running gear

C280S005501, C280S005514, C280S006157, C280S124163, C267S051000

Reexamination Certificate

active

07578513

ABSTRACT:
An apparatus for automatic lifting of a trailer frame upon failure of the leaf spring support comprising a housing including a first housing element and a second housing element, wherein the second housing element is positioned within and slidably coupled to the first housing element forming the housing; an air bag lifting device positioned within the housing, wherein upon actuation the lifting device exerts force to maintain a distance between the first housing element and the second housing element; and a trigger device coupled to the lifting device wherein the lifting device is actuated by the trigger device.

REFERENCES:
patent: 1094814 (1914-04-01), Rinehart
patent: 3054425 (1962-09-01), Pribonic
patent: 3719299 (1973-03-01), Oehler
patent: 3730550 (1973-05-01), Thaxton
patent: 3866894 (1975-02-01), Sweet et al.
patent: 4181324 (1980-01-01), Hixon
patent: 4323141 (1982-04-01), Ragan et al.
patent: 4491338 (1985-01-01), Sheldrake
patent: 4494772 (1985-01-01), Smith
patent: 4746133 (1988-05-01), Hanser et al.
patent: 4796910 (1989-01-01), Starr, Sr.
patent: 4923210 (1990-05-01), Heider et al.
patent: 5403032 (1995-04-01), Hellwig
patent: 5509687 (1996-04-01), Thorndike
patent: 5873581 (1999-02-01), Yale
patent: 6497389 (2002-12-01), Rawdon et al.
patent: 6895648 (2005-05-01), Willett
patent: 7182191 (2007-02-01), Scott et al.

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