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Patent No. 5107620

Electrified Table Cloth

An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.

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Class 92/169.4 - Coaxial sleeve or tube


Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus wherein the structure is the reinforcing structure
No. of patents: 30
Last issue date: 06/26/2007


NumberTitleIssue Date
7234387Face wall for a motor vehicle
A face wall for a motor vehicle comprises a first wall and a second wall that is disposed at a distance from the first wall. The first wall is provided with a recess for accommodating a brake booster that is fastened exclusively to the first wall. This assembly perm...
06/26/2007
7082870Arrangement for the bayonet-fixing and locking of a brake booster
An arrangement (10) for the fixing of an axially oriented (A) brake booster (12) on a dashboard (14) of an automobile wherein a rear face (16) of the booster (12) is fixed on a front face (18) of the dashboard (14) th...
08/01/2006
7073427Hydrostatic machine with compensated sleeves
A hydrostatic machine with a cylinder block (6), within which sleeve holes (28b) are arranged, in which sleeves (28) sit, surrounding piston bores (28a) in which pistons (29) are mounted, such as to be displaced back ...
07/11/2006
7021196Steering rack
The present invention comprises an improved steering rack in which sliding sleeves within the main cylinder allow a channel to be cut through the main cylinder to allow for passage of the stationary piston attachment pin without allowing hydraulic fluid to leak thro...
04/04/2006
5540053Actuating unit for a hydraulic brake system for automotive vehicles
An actuating unit for a hydraulic brake system for automotive vehicles includes a vacuum brake power booster and a master brake cylinder. To transmit the reaction forces, developing during actuation in the master brake cylinder, to a vehicle body wall whi...
07/30/1996
5005469Cylinder liner unit for use in an internal combustion engine
A cylinder liner unit comprises a plurality of cylinder liners made of a non-aluminum alloy for use in an internal combustion engine and uniformly covered with a layer of an aluminum series alloy around the plurality of cylinder liners so as to be integra...
04/09/1991
4790235Brake booster unit mounted on a fixed wall of a vehicle and process for assembling such a unit
The assembly nut (5) is prescrewed onto the bolt (4) fixed to the booster (1), the nut and its bolt being introduced through a first end zone of enlarged cross-section (9) of an orifice in the wall (3), after which the booster is moved relative to the wal...
12/13/1988
4785628Master cylinder and vacuum brake booster
A vacuum brake booster is provided with a front shell coupled to a master cylinder and a rear shell adapted for attachment to a vehicle fire wall. The front shell is provided with a unidirectional accurate portion between radially inner and outer extremes...
11/22/1988
4783964Pneumatic brake booster with load reaction carrying members
A power brake booster has booster load carrying members which are separate from the booster housings walls so that they take the load reaction from the master cylinder outside of the booster housing. This separates the differential pressure chamber wall f...
11/15/1988
4771605Reinforced master cylinder with integrally molded cylinder liner and reservoir
A master cylinder assembly (10) and method for manufacturing the same includes a housing 12 for movably receiving a pair of pistons (32, 34) which cooperate with seals (28, 30) to communicate fluid pressure to respective brake circuits during braking. A r...
09/20/1988
4726571Height control valve with spring return actuator
A height control valve with a spring return actuator for use in an air spring suspension has a damping chamber, an air control chamber and an actuator controlled spring return housing with mutually perpendicular lateral and axial bores. An actuator shaft ...
02/23/1988
4724745Hydraulic servo drum for friction clutch
Described herein is a hydraulic servo drum which is compact in construction and defines an appropriate area for a piston, the servo drum including: an annular plate member having a press-formed cylindrical portion around the outer periphery thereof; an in...
02/16/1988
4484509Brake booster for an automotive vehicle
In vacuum brake boosters for motor vehicles, the vacuum casing is conventionally made of sheet steel. The vacuum casing is subjected to mechanical and pneumatic forces which have to be absorbed by the casing components. This makes it necessary to construc...
11/27/1984
4481865Vacuum brake booster
A brake booster comprising a housing which is divided into a vacuum chamber and a working chamber by a movable wall. A tube is disposed in the housing coaxial of the longitudinal axis thereof having its ends fastened to the end walls of the housing. The t...
11/13/1984
4475444Brake apparatus
A brake apparatus 10 having a master cylinder 16 with a flange 24 connected to a first shell 56 of a booster 18 and a stationary firewall 71 of a vehicle. A first wall 70 located between the flange 24 and first shell is connected to a piston 38 in the mas...
10/09/1984
4455827Master cylinder and servo booster assemblies for vehicle braking systems
In a master cylinder and servo booster assembly for a vehicle braking system a mounting plate is connected to the rear end of a vacuum operated servo booster. A tubular extension integral with the mounting plate extends sealably through the movable wall o...
06/26/1984
4455829Mechanically controlled power brake unit
A power brake unit for an automotive vehicle comprising a booster utilizing the pressure difference between a vacuum and atmospheric pressure including a vacuum casing composed of a cup shell and a cover shell, and a master cylinder secured to or formed i...
06/26/1984
4450688Brake booster for automotive vehicles
A brake booster for automotive vehicles comprises a low-pressure casing sealingly subdivided into a low-pressure chamber and a working chamber by an axially movable wall. The two transverse end walls of the low-pressure casing are interconnected by a cent...
05/29/1984
4446699Brake booster for vehicles
A brake booster for vehicles having a vehicle body with a brake pedal, including a tubular housing forming a seat portion having an inner wall, a brake master cylinder coaxially adjacent to an output side of said tubular housing and having a piston and a ...
05/08/1984
4423665Mechanically controllable power booster
In order to reduce the forces transmitted by the reaction device of a vacuum brake booster, there is provided a first booster piston directly connected to the booster's output member and a second booster piston of smaller size acting solely on the reactio...
01/03/1984
4417500Air pressure servomotor
Air pressure servomotor including front shell and rear shell coupled to said front shell so as to construct a housing, a diaphragm disposed in the housing, a piston plate located adjacent the diaphragm, input rod and output rod. The front and rear shells ...
11/29/1983
4409790Mechanically controlled brake booster
To reduce the load or force exerted on the housing of a vacuum brake booster, the master cylinder housing extends axially through the booster housing thereby connecting the two end walls of the booster housing together. The master cylinder housing is dire...
10/18/1983
4400942Method of connecting a master brake cylinder to a brake booster and the assembly resulting from this method
In the prior art, a master brake cylinder is connected to a brake booster by a flange and nut and bolt arrangement. According to the present invention the connection can be made with a reduced number of parts and the large flange of the master cylinder ca...
08/30/1983
4397219Brake booster for automotive vehicles
A brake booster for automotive vehicles includes a low-pressure casing which is sealingly subdivided into a low-pressure chamber and a working chamber by an axially movable wall. The low-pressure chamber includes a casing port adjacent the low-pressure ch...
08/09/1983
4394833Brake booster
A low-pressure brake booster for automotive vehicles includes a low-pressure casing which is sealingly subdivided into a low-pressure chamber and a working chamber by an axially movable wall. The axially movable wall includes a flexible diaphragm abutting...
07/26/1983
4394932Vending machine having tiltable flap closure
A vending machine, preferably for cooled articles, comprises a number of drums subdivided into compartments and arranged as a stack within a cabinet to be individually rotatable about a horizontal shaft. A front and a rear shield covers the lower half of ...
07/26/1983
4393750Brake booster
A low-pressure brake booster for automotive vehicles comprises a low-pressure casing sealingly subdivided into a low-pressure chamber and a working chamber by means of an axially movable wall. The axially movable wall is connected to an axially movable co...
07/19/1983
4353289Power transmission
A hydraulic control system comprising a hydraulic actuator having opposed openings adapted to alternately function as inlets and outlets for moving the element of the actuator in opposite directions, a pump for supplying fluid to said actuator, pilot oper...
10/12/1982
4347779Vacuum brake booster
To reduce the overall weight of a vacuum brake booster, the booster housing is provided with an axially extending central tube connecting the end walls of the housing in order to transmit the occurring axial forces. Two separate pistons are provided, a di...
09/07/1982
4334459Mechanically controlled vacuum booster
A light weight brake booster is disclosed having an internal axial tube for transmitting axial forces with a working or boosting piston surrounding the tube and a control piston slideably guide inside the tube. These two pistons are connected by reaction ...
06/15/1982
 
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