Class 267/114 - Time delay

Subclass of Class 267 - Spring devices
Definition: Spring device in which the enclosure is subject to decompression
No. of patents: 20
Last issue date: 08/28/2007

Number	Title	Issue Date
7260971	Apparatus for locking a sheet of metal suitable to be shaped in a press An apparatus for locking a sheet of metal to be shaped in a press, comprising at least one fluid-operated actuator for translational motion of a first sheet presser, adapted to support, in an initial operation step a sheet of metal to be shaped, arranged above a fir...	08/28/2007
7089602	Multi-layered, impact absorbing, modular helmet An impact absorbing, modular helmet that prevents or reduces injury to the user and other parties in a collision is described. The helmet has layers on the outer side of the hard casing that increase the time of impact and thereby reduces the intensity of the impact...	08/15/2006
6564976	Visco elastic displacement controller A deformable polymeric member is drawn or forced through or over a die at an imperceptible rate of travel whereby the visco elastic characteristics of the polymeric member delay and control the displacement for external utility. With appropriate component...	05/20/2003
6267360	Shock absorber A shock absorber is formed of a cylinder having a stopping surface, a piston slidably situated in the cylinder to be moved when it is pushed by a moving member, and a switching device attached to the cylinder to be actuated right before the piston abuts a...	07/31/2001
6216934	Festoon protection method and system A method and system for preventing damage to a movable dancer assembly in a festoon upon the breakage of the running web that runs through the festoon. During normal running of the web, the vertical position of the dancer assembly, in the festoon and vis-...	04/17/2001
5588641	Gas spring which after compression has a time delayed return to its original length A gas spring apparatus includes first and second cylinders each closed at both ends by end walls, first and second pistons each capable of axial displacement being disposed inside a fluid-filled inner space of the cylinders, the first piston dividing the ...	12/31/1996
5435530	Gas spring which after compression has a time delayed return to its original length The invention consists on the one hand of a cylinder (2) closed at its ends by means of end walls (4, 5) and on the other hand of an enclosed space (10). With a piston (3) capable of axial displacement, the cylinder (2) is divided into two sub-spaces (6, ...	07/25/1995
5076404	Time delay device for a gas spring The present invention relates to an arrangement for a gas spring (1). This comprises a cylinder (2) with a piston (3) capable of being displaced axially therein, which marks the boundary of an inner space (4) of the cylinder (2) filled with a compressible...	12/31/1991
4693454	Air pressure shock absorber An air pressure shock absorber for smoothly stopping a moving object reciprocated by a rod in an air pressure cylinder. The shock absorber absorbs and reduces the internal pressure of a chamber in the cylinder to smoothly stop the moving object by the com...	09/15/1987
4550470	Combined rotary damper device including a stored energy mechanism and braking mechanism A rotary damper device comprises a base plate, a rotary cylinder rotatably disposed on the base plate through the medium of a damper, and a coil spring interconnecting the base plate and the rotary cylinder. The base plate and the rotary cylinder are inte...	11/05/1985
4484846	Actuation of a cargo restrainer A spring-biased restraining member is retracted by means of a remotely positioned, manually operable lever being outside the cargo space; the linkage includes a hydraulic structure for delayedly returning the lever and the restraining member to the protra...	11/27/1984
4445671	Gas spring including hydraulic locking means A gas spring for height adjustment of drawing-tables or the like includes an arrangement for hydraulically locking the gas spring against sudden collapse due to overloading or loss of internal gas pressure. The hydraulic locking mechanism includes a press...	05/01/1984
4342884	Piston unit A small-sized differential piston unit is disclosed. The piston unit has a cylinder filled with liquid medium and a piston slideably mounted in the cylinder. An operation rod is operatively connected to said piston. An improved sealing member consisting o...	08/03/1982
4328754	Time delay device A time delay device adapted to cooperate with a firing device. The time delay device comprises a piston cooperating with the firing device, a spring to move the piston between a first position in which the firing device remains in a non-operating conditio...	05/11/1982
4297544	Pneumatically operating delay switches A delay switch working pneumatically includes a piston and cylinder arrangement with the cylinder compartment being in communication with the outside air through a non-return valve and a throttle bore connected in parallel. The switch contacts include a c...	10/27/1981
4256933	Switching device for preventing prolonged electrical contact A switching device for preventing prolonged depression-action type activation includes a housing and a depressible plunger mounted in the housing. This plunger includes an upper portion and a lower portion, with the lower portion being movable with respec...	03/17/1981
4164635	Wall switch timer The timer is adapted to be attached to a toggle light switch and comprises a body having a trip slide mounted in the body, with the slide having means for receiving and engaging the switch handle for tripping same to operate the lights. Spring means is pr...	08/14/1979
4019001	Pneumatic timer A pneumatic timer is constructed by stacking a calibration subassembly on top of a diaphragm housing stacked above a diaphragm subassembly, and including a filter capsule subassembly interposed between the calibration subassembly and the diaphragm housing...	04/19/1977
3954245	Vehicle seat and support assembly therefor A vehicle seat support assembly including a fluid spring that supports an upper seat base on a lower floor base at a vertical height corresponding to the adjusted position of an adjustable control linkage which extends between the seat base and a time del...	05/04/1976
3934865	Underwater timer and release device An underwater timer and release device comprising a cylindrical housing sealed at its opposite ends and adapted to receive a slidable spring-loaded piston therein. The piston includes a metering orifice to provide a regulated flow of fluid from a secondar...	01/27/1976

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Class 267/114 - Time delay