Expansible chamber devices – With toothed gear – spline or thread rigid with working member
Reexamination Certificate
2006-04-04
2006-04-04
Morris, Lesley D. (Department: 3611)
Expansible chamber devices
With toothed gear, spline or thread rigid with working member
C180S417000, C180S428000, C074S3880PS, C074S422000, C074S089170, C092S136000, C092S169400, C092S11700R, C092S11700R
Reexamination Certificate
active
07021196
ABSTRACT:
The present invention comprises an improved steering rack in which sliding sleeves within the main cylinder allow a channel to be cut through the main cylinder to allow for passage of the stationary piston attachment pin without allowing hydraulic fluid to leak through the channel.
REFERENCES:
patent: 4085817 (1978-04-01), Kervagoret
patent: 4986382 (1991-01-01), Harrison
patent: 5419235 (1995-05-01), Gilbert et al.
patent: 5509493 (1996-04-01), Lang et al.
patent: 5842537 (1998-12-01), Pfeifer
Arce-Diaz Marlon
Morris Lesley D.
Woodard Emhardt Moriarty McNett & Henry LLP
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