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Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 92/46 - With nonmetallic portion


Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus in which a portion of the ring shaped elements
No. of patents: 11
Last issue date: 03/27/2007


NumberTitleIssue Date
7195235Adjustable disc spring systems and methods
An adjustable disc spring system includes at least one beveled disc spring axially aligned with the adjustable spacer. The adjustable spacer is compressible in a substantially axial direction relative to the at least one beveled disc spring. ...
03/27/2007
6945761Fluid apparatus having downwardly inclined lower lamella portion of a bellows
A bellows that is extendingly and contractingly deformable in the axial direction is placed in a pump body and forms a liquid chamber inside the bellows. A suction portion and a discharge portion are formed in an inner bottom face of the pump body facing the liquid ...
09/20/2005
5568761Pneumatic Jack
Pneumatic jack of the type comprising a rigid body (1) joined to the outer edge of a deformable membrane (2) so as to delimit with the latter a chamber of variable volume capable of being subjected to either atmospheric pressure of a negative pressure, vi...
10/29/1996
4799654Fluid flow facilitating arrangement which includes a coned ring
An arrangement which includes a coned ring forms with the coned portion an interior space. The interior space decreases and increases its volume, when the coned portion of the ring is compressed and de-compressed. The coned ring has a radial outer portion...
01/24/1989
4690623Fluid pumps, fluid motors and devices, which include a coned ring
In a fluid pump or motor improvements are provided to the piston shoes therein to permit a higher pressure in the respective device. Other improvements are done to the hydrostatic bearings in radial piston or radial chamber type fluid motors and pumps. A ...
09/01/1987
4667904Torso restraint with in flight and ejection activation modes
In the operation of modern tactical aircraft, crew members are subjected to periodic high acceleration loads that cause fatigue and a decrease in operating capacity. Restraining the torso of a crew member and pulling the crew member back against the eject...
05/26/1987
4638722Bellows
A bellows for protecting spindles, guideways, and the like of machine tools comprises a pleated cover having inner and outer cover elements and support members between adjacent pleats. The inner cover element has inwardly extending flaps which may be secu...
01/27/1987
4550833Variable-volume receptacle, especially for use as a compensating receptacle in building heating systems
A variable-volume receptacle, especially for use as a compensating receptacle in heating systems. The receptacle includes two membrane-like sheets of rubber or synthetic material; the sheets have the same surface areas, and are placed against one another....
11/05/1985
4336747Product and method of making bellows
A product and method of making a bellows from thermoplastic sheet material including forming a plurality of substantially U-shaped gussets having inside and outside edges, heat-sealing the inside edges of the gussets in pairs, heat-sealing the outside edg...
06/29/1982
4231824Method of making a bellows
A method of making a non-corrosive plastic bellows by ultrasonic welding inner and outer flanges of discs with cylindrical and half-cylindrical horns, respectively. The half-cylindrical horn and a fixture used therewith have lips to fit on opposite sides ...
11/04/1980
4047851Bellows type expansible chamber pump having separate biasing means
A bellows type expansible chamber pump having an exterior spring encircling it for biasing the pump in a suction direction, the pump being completely and quickly disassembled for cleaning purposes. The pump is mounted within an enclosure or box and is dri...
09/13/1977
 
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