Pipe joints or couplings – With assembly means or feature – Guide and support
Reexamination Certificate
2007-05-02
2008-12-09
Bochna, David E (Department: 3679)
Pipe joints or couplings
With assembly means or feature
Guide and support
C310S012060, C137S349000, C248S053000
Reexamination Certificate
active
07461867
ABSTRACT:
An apparatus for lifting a brake hose including a glad hand secured to one end thereof. The brake hose to be lifted into an elevated position is attached to an end of a railway car. Such apparatus further maintains the brake hose in such elevated position during in track service. Such apparatus includes a first member engageable with a predetermined portion of such railway car and a second member engageable with one of such glad hand and such brake hose. There is at least one fluid pressure actuated expansion member disposed between and engageable with such first and second member. Additionally, a supply line having a choke is disposed in fluid communication with such at least one fluid pressure actuated expansion member and a source of fluid pressure for expanding the expansion member in a longitudinal direction and thereby raise such brake hoses to a predetermined elevated position.
REFERENCES:
patent: 3746937 (1973-07-01), Koike
patent: 4236130 (1980-11-01), Hubert
patent: 6548921 (2003-04-01), Ohta et al.
patent: 6633095 (2003-10-01), Swope et al.
patent: 59044959 (1984-03-01), None
Natschke Scott
Ring Michael E.
Sommerfeld Howard
Bochna David E
James Ray & Assoc.
WABTEC Holding Corp.
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