Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate
2008-03-13
2010-02-02
Choi, Stephen (Department: 3724)
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
C083S745000, C083S487000
Reexamination Certificate
active
07653997
ABSTRACT:
The present invention relates to a guide rail assembly for securement of a tube cutting apparatus for cutting of boiler tube walls to a fixed point on a tube wall, while allowing lateral repositioning of a cutting tool relative to the tube wall. The assembly includes a guide rail having a convex surface along which a carriage having a cutting device may be fixedly positioned by mating friction engagement of a concave surface of pairs of linear guide blocks secured to the carriage with the convex surface of the guide rail.
REFERENCES:
patent: 3186282 (1965-06-01), Waterhouse
patent: 4633555 (1987-01-01), Legge
patent: 4718201 (1988-01-01), Legge
patent: 4739688 (1988-04-01), Brennan et al.
patent: 4775247 (1988-10-01), Isert
patent: 4830551 (1989-05-01), Brennan et al.
patent: 4872249 (1989-10-01), VanderPol et al.
patent: 5033347 (1991-07-01), Hillestad et al.
patent: 5044075 (1991-09-01), Brennan et al.
patent: 5199221 (1993-04-01), Hillestad
patent: 5356248 (1994-10-01), Hillestad
patent: 5542177 (1996-08-01), Hillestad
patent: 5582538 (1996-12-01), Hillestad
Choi Stephen
H&S Tool, Inc.
Hudak, Shunk & Farine Co. LPA
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