Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent
1995-10-06
1996-09-24
Butler, Douglas C.
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
188285, 188316, 18832213, 18832219, 18832222, 482112, 267120, 267 6411, F16F 950
Patent
active
055581900
ABSTRACT:
A damping device adapted for use in exercise apparatus includes a cylinder with internally threaded front and and rear end portions, a front cylinder cover and a rear cylinder cover, each of which has a threaded raised portion for engaging the internal threads of the cylinder and a central through hole as well as a valve hole in an upper side thereof; two valves respectively disposed in the valve holes of the cylinder covers; two C-clips for positioning the valve bodies inside the valve holes; a piston located inside the cylinder; a tube fixedly secured to the upper sides of the cylinder covers; a regulating rod disposed inside the tube and provided with valves for cooperating with vents in the bottom side of the tube, spring being fitted to a rear end thereof; and a stop element for controlling the displacement of the regulating rod inside the tube. The damping device does not require damping oil and permits regulation of the desired damping force.
REFERENCES:
patent: 1313763 (1919-08-01), Thomas
patent: 2354340 (1944-07-01), Utter
patent: 3107753 (1963-10-01), Georgetta
patent: 3174343 (1965-03-01), Kasulis
patent: 3207270 (1965-09-01), Ellis, Jr.
patent: 3260515 (1966-07-01), Albers
patent: 3944221 (1976-03-01), Berkestad et al.
patent: 4133415 (1979-01-01), Dressell, Jr. et al.
patent: 4164274 (1979-08-01), Schupner
patent: 4693454 (1987-09-01), Tsuchiya et al.
patent: 4700611 (1987-10-01), Kaneko
patent: 4880230 (1989-11-01), Cook
patent: 5069317 (1991-12-01), Stoll et al.
patent: 5220206 (1993-06-01), Bivens
Butler Douglas C.
Klein David I.
Rosenberg Morton J.
LandOfFree
Damping device adapted for use in exercise apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Damping device adapted for use in exercise apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Damping device adapted for use in exercise apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1923121