Expansible chamber devices – With releasable stop or latch means to prevent movement of...
Reexamination Certificate
2006-03-21
2006-03-21
Lazo, Thomas E. (Department: 3745)
Expansible chamber devices
With releasable stop or latch means to prevent movement of...
C092S014000, C092S018000, C092S019000
Reexamination Certificate
active
07013792
ABSTRACT:
A piston rod is formed in a diameter smaller than an inner diameter of a hollow cylinder. The piston rod is inserted in the cylinder so as to be relatively movable in an axial direction of the cylinder. A locking mechanism comprises a first surface provided on the inner surface of the cylinder, a plurality of second surfaces arranged in an axial direction of the piston rod and parallel to one another, and a locking member. The first surface is so inclined that the inside diameter of the cylinder gradually increases toward one end of the cylinder. Each second surface is so inclined that the diameter of the piston rod gradually increases to the one end of the piston rod. The locking member is held between the first surface and any one of the second surfaces to lock relative movement of the piston rod with respect to the cylinder.
REFERENCES:
patent: 2917277 (1959-12-01), Pine
patent: 2967512 (1961-01-01), Born
patent: 3251278 (1966-05-01), Royster
patent: 4471944 (1984-09-01), Leray et al.
patent: 5002318 (1991-03-01), Witter
patent: 5205203 (1993-04-01), Rossato
patent: 6305889 (2001-10-01), Blessing et al.
patent: 2001/0002524 (2001-06-01), Espinosa
patent: 2000-1136 (2002-01-01), None
patent: 2002-29367 (2002-01-01), None
Search Report dated Oct. 4, 2004 conducted by the European Patent Office from corresponding European Patent Application No. EP 04 00 9413.
Kershteyn Igor
Lazo Thomas E.
NHK Spring Co. Ltd.
Ohlandt, Greeley, Ruggiero & Perle LLP.
LandOfFree
Actuator provided with locking mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Actuator provided with locking mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Actuator provided with locking mechanism will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3553907