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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 137/77 - With external closing means


Subclass of Class 137 - Fluid handling
Definition: Apparatus including a means for closing the valve by manual
No. of patents: 50
Last issue date: 04/01/2008


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NumberTitleIssue Date
7350578Diverter plugs for use in well bores and associated methods of use
Zonal isolation of well bores is often desirable for performing downhole operations such as stimulation operations. In certain embodiments, diverter plugs for achieving zonal isolation in a casing string in a well bore may comprise a mandrel having a first end and a...
04/01/2008
7338092Quick-release connector fitting
A plastic rift connector fitting comprises an annular housing, water line fitting, and sleeve components for pressurized water systems. The housing has a plurality of locking mechanisms to quickly lock and release the water line fitting. A flange and O-ring on the w...
03/04/2008
7293575Mechanical override for a valve actuator
An apparatus and method for manual operation of an actuator is disclosed. A mechanical override includes a housing coupled to the actuator, a drive ring, and a shaft extending through a bore of the housing. The drive ring rotationally keys to the bore such that the ...
11/13/2007
7273064Temperature-sensitive safety valve assembly
The present invention relates to a temperature-sensitive safely valve assembly (10). The assembly (10) comprising a first region (16) for a first pressurised fluid, a second region (20) for a second pressurised fluid, a valve (26, 28, ...
09/25/2007
7150287Safety valve
A safety valve comprises a main body, fixed body, meltable body, movable body, biasing member, movable plug and plug holding means. The fixed body has a small passageway communicating with the interior of a container, and an upper large passageway. The movable plug ...
12/19/2006
7066301Linear actuator having manual override and locking mechanism
A manual override mechanism is presented for a motor-driven linear actuator that allows the output rack and pinion of the actuator to be manually positioned. Once positioned, the output may be locked by a locking mechanism to prevent this output from translating to ...
06/27/2006
7004445Mechanical override for a valve actuator
An apparatus and method for manual operation of an actuator is disclosed. A mechanical override includes a housing coupled to the actuator, a drive ring, and a shaft extending through a bore of the housing. The drive ring rotationally keys to the bore such that the ...
02/28/2006
5913326Automatic closing device for a shut-off device
Typically, for automatically dosing shutoff valves, a valve closing body is held in the open position by fixation with soft solder and can be moved into the closed position by means of a spring action. The disadvantage is that it can only be used on small...
06/22/1999
5887849Thermal release apparatus for coupling a damper actuator to a damper blade assembly
A thermal release coupler is provided for use in a fire and smoke damper assembly. The fire and smoke damper assembly includes an array of damper blades carried in a damper frame which are moveable between open and closed positions; a linkage joining the ...
03/30/1999
5782171Disconnect mechanisms between a deep fat fry pot and filter vat
A commercial deep fat frying appliance includes a fry pot supported by a cabinet frame over a removable filter vat. The fry pot includes a valve controlled bottom drain to transfer cooking fluid from the fry pot into the filter vat. The fluid is returned ...
07/21/1998
5730170Emergency gas or fuel shut-off device
An emergency fuel shutoff device for interrupting the flow of gas or other fuel to a burner in the event of a malfunction or fire. The device uses a normally closed spring loaded fuel valve which is held open by tension along a cable. The cable has severa...
03/24/1998
5577525Thermal release apparatus for coupling a damper actuator to a damper blade assembly
A thermal release coupler employed in a fire and smoke damper assembly, in which the fire and smoke damper assembly includes an array of damper blades carried in a damper frame, movable between open and closed positions, with a linkage joining the damper ...
11/26/1996
5562118Emergency shutoff valve with a fusible link and method
A shutoff valve for closing off flow through a fluid line includes a stem 28 axially movable relative to a valve body 12. A valve element 22 is carried by the stem 28 for engagement with a seat 20 to close off fluid flow through the valve, and is biased t...
10/08/1996
5540250Quick-disconnect fluid coupling
A ball detent fluid coupling for gas fuel for appliances and the like equipment is characterized by push-to-connect and pull-to-disconnect features, a heat responsive breakaway feature, and a ball retaining sleeve that is retractable by hand for joining a...
07/30/1996
5343884Self-closing gate valve system and external self-closing actuator mechanism therefor
A self-closing actuator mechanism and a gate valve system equipped with the actuator mechanism, in which a coil spring acts on a gate valve actuating arm only in a closing direction, the coil spring being held in a compressed condition by retaining clips ...
09/06/1994
5298088One-quarter turn ball valve closer
A valve closer for a valve installed in a flow line of a flammable liquid or other hazardous flowable material which is normally open with the closer of the present invention automatically moving the valve to closed position by turning the valve one-quart...
03/29/1994
5067510Adjustable, fusible, manually operable valve lock-open assembly
An actuator shaft heat-sensitive locking apparatus is disclosed comprising a cylindrical housing having an axial bore. A shaft link is provided in the bore and is adjustable to contact gate valve actuator shafts of varying lengths. Once adjusted, the shaf...
11/26/1991
5048552Universal trip valve operators and trip actuating seismic vibration sensors and transducers therefor
A trip valve operator for actuating quarter turn valves comprises a return actuator, multi-stage leverage means for reducing the trigger load, a trigger, and one or more sensors or other trip actuators. The multi-stage leverage means comprises pivotally c...
09/17/1991
4969482Emergency fuel shut-off valve
A reusable emergency gas shutt-off valve for terminating the supply of fuel to a dwelling is adapted for fluid pressure actuation at a location outside of the dwelling, manual actuation on the valve itself, and thermal actuation from heat in the vicinity ...
11/13/1990
4924760Roof vent damper
A roof vent damper for closing a roof mounted ventilator in the event of a fire includes a frame formed from an elongated rectangular plate having a central dumbbell shaped cut-out. Longitudinal side edges of the plate are folded over to form parallel gui...
05/15/1990
4827963Heat sensitive shaft locking apparatus and valve using same
The improved shaft locking apparatus includes a body with a bore therethrough and includes balls mounted in radial ports in said body so that in one position the balls partially extend into the bore and in restricting the bore lock a shaft associated with...
05/09/1989
4811752Auxiliary remote valve actuator
A remote valve actuator includes an elongated enclosure having a tension spring therein maintained in a tensioned condition by a releasable link which will separate in the event of fire or other exigency to release the tension in the spring. A cable exten...
03/14/1989
4788800Fire stop device
There is provided a first stop device having a closure for a conduit passing through an aperture extending through a wall, floor or the like. According to this invention, the conduit passing through the aperture is formed of a low melting point, fugitive ...
12/06/1988
4738189Pneumatically operated fire damper
A fire damper operated by an air motor for incorporating into the pneumatic piping system of a building. The damper motor holds the damper open under the influence of pressurized air from the system. A valve actuator in the flow channel of the damper has ...
04/19/1988
4619434Heat sensitive motor valve jack
Disclosed is a heat sensitive jack for overriding a valve including a valve body and a gate valve member connected to a valve stem which is operated by a linear actuator having an actuator body and an actuator stem connected to the valve stem extending ou...
10/28/1986
4559867Round damper and fusible link therefor
A transversely circular fire damper having a butterfly type blade operated by a jack shaft spaced longitudinally of the housing from the blade axle. Linkage including an "over center" stop rotates the blade in one direction by operation of a motor coupled...
12/24/1985
4555981Damper operator for use with air, smoke and fire dampers
A damper operator for use with a damper having a frame and a damper blade pivotally associated with the frame, which damper operator comprises a drive rod; a pair of lever arms which are pivotally associated with each and which extend between the drive ro...
12/03/1985
4538632Shutoff valve for fuel truck or tanker drain off downspouts
A shutoff valve for the downspouts of fuel trucks or tankers, the shutoff valve being installed at the inlet of a downspout and serving to seal off the inlet of the downspout until such time as overflow fuel or other liquids can be safely drained off from...
09/03/1985
4472999Damper operator for use with air, smoke and fire dampers
A damper operator for use with a damper having a frame and a damper blade pivotally associated with the frame, which damper operator comprises a drive rod; a pair of lever arms which are pivotally associated with each and which extend between the drive ro...
09/25/1984
4469119Pilot valve with fusible lockout knob
There is disclosed an apparatus for manually locking a pilot valve in an "in service" position independent of an actuating, or pilot fluid pressure. The apparatus may be either manually disengaged or will be automatically disengaged whenever the ambient t...
09/04/1984
4468194Automatic flame snuffer for storage tank vent lines with manual override
An improved flame snuffer 30 for utilization on the vent line 20 of oil field atmospheric condensate storage tanks 10 is disclosed utilizing a valve 200, a fusible link 70, and a counterweight 80 connected to the valve 200 so that when the fusible link 70...
08/28/1984
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
4421134Heat sensitive gate valve
A manually operated gate valve having a fusible element located exterior of the shaft sealing element. Melting of the fusible element permitting outward movement of the shaft and gate elements with all the movable elements being confined to the housing....
12/20/1983
4414995Three-way hydraulic controller
A controller comprises a body having a first port, a second port and a third port. A valve element is disposed in the body for movement between a first position which blocks fluid flow through the first port while permitting fluid communication between th...
11/15/1983
4335734Float warning device
A valve for use with a liquid comprising: a valve casing having an inlet and outlet; a valve seat arranged between the inlet and outlet; a plug adapted to be received on the valve seat; sensor means adapted to sense the level of the liquid, the sensor mea...
06/22/1982
4333489Spring-motor dual-functioning mechanism
For releasing and resetting a releasable and resettable device: a spring-motor dual-functioning mechanism comprising release means to release the device, a spring motor to reset the device, and spring-winding means to rewind the spring motor, the spring m...
06/08/1982
4310012Thermal and remote valve control
In combination with a relatively non-extendible emergency cable mechanically placed under tension and including a rigidly supported link having a fuse element and manual pull handle which are suggestive of their purpose and operation in the cable for aler...
01/12/1982
4307546Fire retardant partitioning for openings for plastic pipe lines
Partitioning for preventing the spread of fire or smoke through wall apertures created by the burning of plastic pipe. Pre-stressed metal squeezing elements are retained by plastic bolts which melt at about 120° C., releasing the squeezing elements and p...
12/29/1981
4275754Automatic valve actuator
A valve actuator provides preselected automatic spring-powered actuation of a rotary-actuated valve in response to fire, or other occurrence of a specific exigent type. The actuator is secured to a valve having a shaft extending from the valve body and ro...
06/30/1981
4241748Butterfly smoke/fire damper
A pair of butterfly smoke/fire dampers are mounted on a single frame. Each damper includes a pair of blades which can be locked in the open position and which, when released, rotate about a hinge to the closed position. The frame has a flange around the i...
12/30/1980
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