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Class 251/116 - With spring


Subclass of Class 251 - Valves and valve actuation
Definition: Devices wherein the latch is spring biased.
No. of patents: 22
Last issue date: 03/29/2011


NumberTitleIssue Date
7913972Two position actuator with mechanical hold
A valve assembly including a valve actuator and valve is provided. The valve actuator includes a mechanical hold arrangement configured to allow manually setting the position of the valve actuator and its drive gear and to oppose any loading provided by a return spr...
03/29/2011
7651067Upper valve part for fittings
An upper valve part for fittings has a head piece through which a spindle passes, means for shut-off, and a seal that comes to rest on the fitting. A radially acting locking device is provided. ...
01/26/2010
7234679Gate valve
A gate valve has a transfer chamber-side valve element and a process chamber-side valve element connected to a single shaft. A rotary latch pivotably supported on an inner surface of one of the valve element with the rotary latch having a latch surface at a forward ...
06/26/2007
6974053Sterile system for dispensing a product contained in a container in particular a soft tube
The invention concerns a dispensing and closure system arranged at the top of a container, in particular a soft tube comprising a liquid or pasty product, which is delivered by pressing on the tube. The invention is characterized in that it consists of a valve compr...
12/13/2005
6880797Safety tap for hot water dispenser
A child resistant tap has a valve body (12) with an inlet (22) and an outlet (24) and a valve seat (26) therebetween. An axially slidable valve element (28) engages the valve seat (26) to open and close the valve. A handle o...
04/19/2005
6095491In-line flow rate control device
A readily adjustable flow rate control device having a movable flow control member which includes a plurality of spaced-apart flow restrictors which are adapted to be selectively positioned intermediate a fluid flow path extending between a fluid supply l...
08/01/2000
6079639Auxiliary handle with latching trigger for power washer pressure gun
An auxiliary handle with a latching trigger is provided for a power washer pressure gun. The latching trigger is operable to hold the gun trigger in the "on" position. The latching trigger avoids fatigue in the hand of the operator of a conventional power...
06/27/2000
5918854Pop-up valve closure for a container
A pop-up valve closure for a container has a cap with a well defined therein. A valve with a valve sleeve is movably mounted in this well. The valve is movable between a closed position and a popped-up open position. An actuator can lock and unlock the va...
07/06/1999
5694970Safety valve for water supply system
A safety control valve for a domestic water supply system is described. It includes a valve body having a flow passage therethrough comprising a pair of laterally spaced vertical flow channels and a top flow cavity connecting these vertical flow channels....
12/09/1997
5682919Float controlled valve shut-off assembly
An apparatus for shutting off an impact valve being closeable by a latch bar in response to an accumulation of gasoline within a containment box, the apparatus comprising a cam being rotatable about an axis while displacing the latch bar to a closed posit...
11/04/1997
5163354Safety throttle
A safety throttle is provided for a hand held pneumatic tool in which a pivotable intermediate member must be manually moved, by a prior secondary movement, into a slotted throttle lever before the later primary movement of the throttle lever will allow t...
11/17/1992
5052655Ball valve lock plate
There is described a lock plate assembly for use with a three-position ball valve. The valve has a body, a valve element disposed for rotation within the body, and a handle mounted for rotation upon the body for operation of (off) position, a second (test...
10/01/1991
4804163Key button type of water tap
The present invention relates to a key button type of water tap, wherein a pressing mode is being employed to establish a non-step positioning as a means to determine the moving downward of depth of the sharp body of a circular awl installed inside the va...
02/14/1989
4587732Cable cutting and crimping
A novel hydraulic tool used to cut cables, rods, bars and the like or crimp various items such as cable connectors and which is operated manually and with ease by a single man. The improved cable cutting hydraulic tool comprises dual manually held handles...
05/13/1986
4521963Hydraulic cable and rod cutting and crimping device
A novel hydraulic tool used to cut cables, rods, bars and the like or crimp various items such as cable connectors and which is operated manually and with ease by a single man. The improved cable cutting hydraulic tool comprises dual manually held handles...
06/11/1985
4442853Safety gas valve with latch
A safety gas valve with latch against non-permitted reopening has the connector of the thermoelectric power unit located on the same side of the housing as the push button of the operating rod which is born shiftable and turnable in the housing. For this ...
04/17/1984
4432383Attachment for safety valves
A restraining block engages the valve stem of a safety valve, holding the valve open. The block is selectively rotatable within an auxiliary housing from a locked to a released position wherein both block and stem are free to move along the stem axis, per...
02/21/1984
4427176Manually controlled fluid valve
The valve consists of a closing device (7) pushed by a spring (8) to press the sealing face (9) against its seat (13). The closing device (7) can only be moved by action on the handle (18) provided the magnetic core (32) is attracted to the left, to enabl...
01/24/1984
4307746Frost-proof fire hydrant
A frost-proof fire hydrant of the type wherein the valve is biased towards its open position by the fluid pressure in the shoe. The fire hydrant includes improved means disposed in the bonnet and cooperating with the valve stem for maintaining the valve i...
12/29/1981
4225087Lock-off means for airless sprayer
An automatic safety mechanism for airless spray equipment such as airless spray guns of the type having a trigger mechanism for actuating a gun spraying mechanism is provided. The safety mechanism comprises a lock mechanism for automatically locking the t...
09/30/1980
4152844Exhaust system for laundry dryer
A portable and removable window exhaust system for home appliances requiring outdoor venting (such as portable laundry dryer) which obviates the necessity of permanent installation and piercing an exterior wall of a building to vent the appliance to the o...
05/08/1979
4099551Thermal-manual control valve
A multi-function safety service valve operable both manually and automatically through a toggle fuse-linked joint as located to interconnect the piping of an LP Gas bulk storage tank and a flexible hose connected to fill an LP Gas transport tank on a truc...
07/11/1978
 
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