Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-09-20
2005-09-20
Nguyen, Phung T. (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S686300, C340S815400, C073S001790
Reexamination Certificate
active
06946968
ABSTRACT:
A hydraulic stroke measuring system for accurately determining the cylinder rod position within a hydraulic cylinder. The hydraulic stroke measuring system includes a measurement shaft slidably positioned within a housing unit, a shaft bracket attachable between the measurement shaft and a cylinder shaft of a hydraulic cylinder, a plurality of contact members within the housing unit, a main contact attached to the measurement shaft for selectively engaging one or more of the contact members, and a plurality of display lights electrically connected to the contact members. The display lights illuminate when the main contact engages the corresponding contact members.
REFERENCES:
patent: 4399881 (1983-08-01), Theurer et al.
patent: 4792272 (1988-12-01), Oswald et al.
patent: 5056036 (1991-10-01), Van Bork
patent: 5167289 (1992-12-01), Stevenson
patent: 5523684 (1996-06-01), Zimmermann
patent: 5905215 (1999-05-01), Jin et al.
patent: 5971380 (1999-10-01), Hebener
patent: 5975215 (1999-11-01), Jensen et al.
patent: 6108948 (2000-08-01), Tozawa et al.
patent: 6193219 (2001-02-01), Belley et al.
patent: 6318167 (2001-11-01), Power
patent: 6321781 (2001-11-01), Kurth
patent: 6442862 (2002-09-01), Kimura et al.
patent: 6666784 (2003-12-01), Iwamoto et al.
patent: 2001/0004109 (2001-06-01), Belley et al.
patent: 2002/0017637 (2002-02-01), Belley et al.
patent: 2575128 (1986-06-01), None
patent: 2002/363997 (2002-12-01), None
LandOfFree
Hydraulic stroke measuring system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic stroke measuring system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic stroke measuring system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3425541