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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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Assignee: Atlas Copco Aktiebolag


Location: Nacka, SE
No. of patents: 184

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NumberTitleIssue Date
5095806Device in a hydraulic power system connected to a load driving hydraulic motor
Device in a hydraulic power system connected to load driving hydraulic motor (18; 32), comprising a pilot controlled flow regulating directional valve (1; 29) for alternative connection of the service ports of the motor (18; 32) to a pressure medium sourc...
03/17/1992
5005467Pilot-operated flow controlling directional control valve with copying spool
Device in a hydraulic power system connected to a load driving hydraulic motor (18; 32), comprising a pilot controlled flow regulating directional valve (1; 29) for alternative connection of the service ports of the motor (18; 32) to a pressure medium sou...
04/09/1991
4924996Method for positioning a number of working implements relative to a car body
A method for positioning a number of working implements, for example spray nozzles, to certain working or treatment points on a car body as the latter is supported by an overhead conveyor for travel between different working and assembly stations on a pro...
05/15/1990
4884995Hydraulic torque impulse generator
A hydraulic torque impulse generator comprises a drive member (10) connected to a rotation motor and including a cylindrical fluid chamber (12) partly defined by a circumferential wall (14), and an output spindle (13) rotatably supported in coaxial relati...
12/05/1989
4884745Method and apparatus for insulating a spray liquid source from high voltage of an electrostatic spray gun
A method and apparatus for insulating a spray liquid source from the high tension voltage of an electrostatic spray gun (13) when using an electrically conductive spray liquid. A spray liquid supply line (12) couples the spray liquid source to the spray g...
12/05/1989
4881688Device for insulating the spray liquid source from the high tension voltage of an electrostatic spray system when using an electrically conductive spray liquid
A device for insulating the spray liquid source from the high tension voltage of an electrostatic spray system when using an electrically conductive spray liquid. The device comprises a spray gun (13), a supply line (12) which connects the spray gun (13) ...
11/21/1989
4881435Power tool for two step tightening of screw joints
A power tool for two step tightening of screw joints comprising a housing (10; 50), a rotation motor supported in said housing (10; 50), an output spindle (13, 54) rotated by said motor and connectable to a screw joint to be tightened, a power transmissio...
11/21/1989
4870921Device for positioning a number of working implements relative to a car body
A device for positioning a number of working implements, for example spray nozzles, to certain working or treatment point on a car body as the latter is supported by an overhead conveyor for travel between different working and assembly stations on a prod...
10/03/1989
4854916Hydraulic torque impulse generator with bypass mechanism
A hydraulic torque impulse generator comprising a rotationally driven drive member (10; 50), a hydraulic fluid chamber (16; 51) confined in the drive member (10; 50), an output spindle (18; 53) having a rear impulse receiving portion (17; 52) extending in...
08/08/1989
4845947Hydraulic drive system
A hydraulic drive system for one or more hydraulic motors, comprising a pump (1), a tank (25) for hydraulic fluid, one or more control valve sections (10, 11, 12) each being provided with a shunt passage and each being coupled to a respective hydraulic mo...
07/11/1989
4842078Screw joint tightening power tool
A screw joint tightening power tool including a torque limiting device and a rotation motor which via a planetary reduction gear (13) is arranged to deliver a torque to an output spindle (14). A torque responsive release clutch (22, 26, 27) is associated ...
06/27/1989
4834192Two-speed power tool
A two-speed power tool having a rotation motor supported in a housing (10) and driving an output spindle via three planetary reduction gears (13, 25, 22). The ring gear (17) of a first planetary gear (13) is rotatable relative to the housing (10) as well ...
05/30/1989
4789373Hydraulic torque impulse generator
A hydraulic torque impulse generator comprises a motor rotated drive member (16) including a fluid chamber (18) into which the rear end portion (19) of an output spindle (21) extends to receive torque impulses generated in said fluid chamber (18). The rea...
12/06/1988
4778015Pneumatic power wrench
A pneumatic power wrench comprising a housing (10), a rotation motor drivingly connected to an output spindle (11), a pressure air supply passage (22, 24) in the housing (10) connecting the motor to a pressure air source and a manually operable throttle v...
10/18/1988
4768407Marking device
A marking device for automatic marking of threaded joints tightened by a pneumatic power wrench, wherein a marking liquid container (48), a metering pump (37), a pressure air supply valve (31) and a marking liquid outlet passage (55) form a unit detachabl...
09/06/1988
4767379Hydraulic torque impulse generator
A hydraulic torque impulse generator comprises a drive member (10) drivingly connected to rotation motor and including a cylindrical fluid chamber (11) which is partly defined by a circumferential wall (23) of a non-constant radius, an output spindle (12)...
08/30/1988
4761151Hydraulic torque impulse generator
A hydraulic torque impulse generator comprising a drive member (10) drivingly connected to a rotation motor and formed with a fluid chamber (11), and an output spindle (12) extending into the fluid chamber (11). Two radially movable seal elements (14, 15)...
08/02/1988
4751867Pressure fluid operated cylinder device
A pressure fluid operated cylinder device having means to indicate that the piston (14) is at or near an end position. The indicating means comprises a rod-like member (1) which is actuated by the piston (14). The movement of rod (1) is transformed into a...
06/21/1988
4735595Hydraulic torque impulse tool
A hydraulic torque impulse tool, comprising an inertia drive member (10;110) which is rotated by a motor and which includes a fluid chamber (19;119), and a seal and torque transmitting mechanism (30;130) which is arranged to divide the fluid chamber (19;1...
04/05/1988
4721009Gear wheel shaft assembly
A gear wheel shaft assembly in which the gear wheel (4) is pressed against an end plane (8) of a shaft (1) by a central bolt (5) through the gear wheel. The end plane is situated at a smaller radius than a shaft bearing (2). The cooperating surfaces (8,9)...
01/26/1988
4711706Method of producing groove/land patterns for dynamic bearings
A method of making a groove/land pattern on a bearing surface of a dynamic bearing which comprises covering the surface in regions to form lands of the pattern so as to render these regions electrolytically inactive, and electrochemically polishing the su...
12/08/1987
4708210Pneumatic rotary tool
In a pneumatic screw driver including a reversible vane motor (11) a rotatable directional valve (30) is located at the rear end wall (13) of the motor (11) and arranged to distribute motive pressure air to two alternative air inlet ports (22, 23) of the ...
11/24/1987
4696606Method of stabilizing a rock structure
A rock bolt in the form of a steel tube (11) is placed in a borehole in rock and is then expanded against the rock by means of an expandable body (15) inside it. The expandable body (15) comprises a rubber hose which is temporarily pressurized to a pressu...
09/29/1987
4695384Method for improving the phosphorus elimination capacity of a lake
A method of improving the phosphorus elimination capacity of a lake (11). Flexible wall (16) is extended from the bottom (21) of the lake a substantial distance toward the surface (23) of the lake at the beginning of the vegetation period of the lake to s...
09/22/1987
4683961Hydraulic torque impulse motor
A hydraulic torque impulse tool, comprising an inertia drive member (10) which is rotated by a motor and which includes a fluid chamber (19), and a seal and torque transmitting mechanism (30) which is arranged to divide the fluid chamber (19) into two com...
08/04/1987
4682899Feed beam for a rock drill
A feed beam for a rock drill comprises a die beam (10) of aluminium, which has two beads (12, 13). Guides (20) for a cradle for a rock drill can be snapped onto the beads to embrace the beads and thereby be secured to the beads....
07/28/1987
4676323Hydraulically operated percussive machine and an accumulator therefor
A hydraulic percussive machine, for example a jack hammer or a rock drill, has an accumulator with a flexible diaphram (35). A lift valve (40, 41, 42) closes the outlet of the accumulator if the flow exceeds the normal flow substantially and it traps a vo...
06/30/1987
4676422Riveting device
A riveting device for the assemblage of two or more sheet metal sections (A, B) of a structure comprising a working unit (14) operable on one side of the sections (A, B) to be assembled and a clamping and bucking unit (26) operable one the opposite side o...
06/30/1987
4667748Method of driving an element and an hydraulic impactor
In an impactor, e.g. a jack hammer, a liquid column is accelerated through an empty barrel 26 and it impacts on a piston surface (34) of the tool (24), e.g. a chisel....
05/26/1987
4664792Plant for treatment of urban runoff water
A plant for treatment of urban run off water where a body of water (50) is separated from a water recipient (60) by means of a flexible curtain (13) extending between the bottom (80) and the surface (90) of the water recipient. The bottom end of the curta...
05/12/1987
4662556Device for assembling by riveting two or more sections of a structure
A device for assembling by riveting two or more sections of a sheet element structure wherein the sections (A, B) to be assembled are supported in a fixed stationary mode. A guide beam (16, 116) is clamped firmly against one side of the sections and suppo...
05/05/1987
4660658Hydraulic down-the-hole rock drill
Pressurized water is used to operate a percussive down-the-hole drill and the spent motive fluid is used as a flushing fluid. A rear cylinder chamber (24) is constantly pressurized and a valve (28) controls the inlet from the chamber (24) to a bore (23) t...
04/28/1987
4661021Expansion body
An expansion body for constructions like piles or anchorages located in the earth is adapted for insertion into the ground in a compact shape and expanded therein to an expanded shape. The expansion is achieved by unfolding a folded metallic casing (11) b...
04/28/1987
4653593Control method and control device for a down-the-hole rock drill
When drilling deep boreholes with a down-the-hole drill (15), the pressure and the flow of the motive fluid are controlled so that the impact velocity of the piston hammer of the drill is kept within narrow limits independently of the counter pressure in ...
03/31/1987
4643263Portable power tool
A hand held pneumatic grinding tool is provided with two angularly spaced handles (12, 13), one containing an air supply passage (16) and a throttle valve, the other an air exhaust passage (17) and a silencer (15). Both handles (12, 13) are adjustably mou...
02/17/1987
4634317Method of rock bolting and tube-formed expansion bolt
A tube-formed rockbolt is partly circular in its cross-section and opposite its circular portion (12) it has a deep depression (16-18). Its ends are sealed and its outer end has a hole (44, 45) or a fitting (24) through which the bolt can be supplied with...
01/06/1987
4632402Shaft seal with both hydrostatic and hydrodynamic pressure parts
A shaft seal for a gas pumping device comprising a mechanical seal (5,6) and a labyrinth seal in form of a sliding bearing (4). A chamber (7) between the mechanical seal and the sliding bearing is fed with lubricant for the bearing at a pressure being hig...
12/30/1986
4619551Device for removing degraded concrete
A device for removing degraded concrete from a layer of concrete (11). The device includes a carrier (12) and a guide mechanism (13) on the carrier for guiding a nozzle device (14) along a path above the concrete layer. The nozzle device is provided with ...
10/28/1986
4611671Vibration insulating handle
A vibration insulating handle for a pneumatic power tool comprising an inner tube (15) and an outer tube (16) both rigidly but adjustably attached to the tool housing (10). The inner tube (15) forms an air exhaust passage (13) which communicates with a si...
09/16/1986
4609053Hammer tool
A hammer tool with a drive motor (16) and a hammer mechanism (35), the hammer mechanism including a drive piston (38) reciprocably movable in a cylinder (34) for driving a hammer piston (39) towards a working tool (13) releasably coupled to the front end ...
09/02/1986
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