Railways: surface track – Guardrails
Reexamination Certificate
2005-10-05
2008-12-23
Le, Mark T (Department: 3617)
Railways: surface track
Guardrails
C238S310000, C238S338000, C238S357000
Reexamination Certificate
active
07467748
ABSTRACT:
A guide rail support assembly includes a brace and a guide rail positioned on the brace. A hook device having a base and two hooks extending from the base and around the brace and secures the guide rail to the brace. The brace has no apertures such that the hooks extend completely around the brace without penetrating any portion of the brace. Adjustment shims are positioned adjacent the brace and a spring clip is mounted adjacent the base and the adjustment shims for securing the hook device to the brace.
REFERENCES:
patent: 1463943 (1923-08-01), Fallon
patent: 2929562 (1960-03-01), Hosbein
patent: 4265401 (1981-05-01), Jackson
patent: 5148980 (1992-09-01), Fritz et al.
patent: 5176318 (1993-01-01), Young et al.
patent: 6279833 (2001-08-01), Schwiede
Roberts, Jr. Robert C.
Sutcliffe Mark
Weaver Brian
Bracewell & Giuliani LLP
Le Mark T
Progress Rail Services Corp.
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