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Patents Published on 04/23/1991


See All Patents Issued In 1991


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NumberTitleIssue Date
5009282Folding steps
A folding step structure (7) comprises an elongate base (11) to be laid on or parallel to a ground surface (1); a frame (15) connected to the base; a step (14) connected to the frame such that the frame and the step member are together pivotal, about pivo...
04/23/1991
5009283Hunting stand system
A versatile hunting stand is provided which may be supported by a tree, ladder or tripod. The stand has a collapsible seat assembly which serves as a foot bar when used as a climbing stand. Adjustable arms may be used as a component of the climbing bar as...
04/23/1991
5009284Chair lift apparatus
An apparatus is set fourth for providing a chair lift for vertical repositioning relative to an overlying support such as a tree or adjacent building. The apparatus includes a seat platform, including a lateral and longitudinal bar orthogonally and integr...
04/23/1991
5009285Combination backpack and tree stand
A hunter's tree stand and backpack frame is formed by a seat frame having a seat and having cam members at the end of the seat disposed adjacent a tree or upright. The seat frame having a chain stop adjacent each side of the seat for supporting the seat a...
04/23/1991
5009286Lubricating oil supplying mechanism in swash plate type compressor
A through hole in a cylinder block through which a bolt is inserted to assemble the cylinder block and the front and rear housings as one body, and is positioned above a horizontal plane on which a drive shaft lies, is utilized as a part of a passage for ...
04/23/1991
5009287Vehicle lift
A lift for vehicles in service stations, repair centers and the like to lift such vehicles for the repair and servicing thereof. The vehicle lift includes a support for engaging the vehicle to be lifted, a power cylinder for lifting, supporting and loweri...
04/23/1991
5009288Sheave array arrangement for elevator
The suspension system for an elevator car provides ropes that converge on the car close to a vertical line containing the center of gravity of the car. The ropes thus impart very little lateral or torsional movement to the car whereby a smoother ride resu...
04/23/1991
5009289Blowout preventer string support
An improved string support apparatus used with a ram type blowout preventer in which improved gripping assemblies, each having a bowl body and gripping elements, are positioned in the front face packer recess or recess of the rams which is normally occupi...
04/23/1991
5009290Multi-disk brake for automatic transmission
A multi-disk brake for an automatic transmission having a plurality of annular outer lamellae having a larger diameter and a plurality of annular inner lamellae having a smaller diameter, the outer and inner lamellae being alternately arranged and interle...
04/23/1991
5009291Brake piston assembly
An actuator is described for a disc brake system of the type which includes a piston whose front end is pressed against a disc by pressured hydraulic fluid that is applied to the rear of the piston and that is prevented from leaking by an elastomeric seal...
04/23/1991
5009292Mechanism and method of positive arcuate orientation of a first member and a second member, particularly for brake adjusted orientation of a drive member and a driven member in a disc brake assembly having parking brake mechanism
A disc brake caliper is provided which has a parking brake. A dual lever parking brake apply assembly is also included which allows adjustment of the parking brake without modification of the parking brake cable. The adjustment is made by changing the rel...
04/23/1991
5009293Disc brake apparatus
A multiple disc brake apparatus provided with at least one rotor rotatable with a vehicle wheel, a housing secured to an unrotatable portion of the vehicle, at least two pads supported by the housing and located on both sides of the rotors, a cylinder mem...
04/23/1991
5009294Vehicle traction control system
A vehicle traction control system includes both driven wheel brake control and engine torque output control for limiting acceleration wheel slip. A boundary condition is identified where engine torque output control alone can be used without braking to re...
04/23/1991
5009295Transmission shifter to operator controlled mechanism interlock
The transmission shift range selector is held in a Park position by a solenoid attached on one end to a Park/Lock mechanism and to a housing on the other end, until an operator controlled mechanism has been manipulated prior to attempting to shift the ran...
04/23/1991
5009296Power transmitting apparatus for use in vehicle
A power transmitting apparatus for use in a vehicle, provided with a motor having at least one output shaft to which a traveling electromagnetic clutch and at least one power-transmitting electromagnetic clutch are attached, a plurality of clutch plates c...
04/23/1991
5009297Electromagnetic clutch having a structure for reducing impact noise
An electromagnetic clutch according to the present invention includes a first rotatable member which is rotatably supported on a first bearing. The first rotatable member is connected to an external driving source and has an axial magnetic end plate. A se...
04/23/1991
5009299Clutch actuating device
A clutch actuating device in which an actuating piston coupled via actuating members with a clutch release bearing and, at an axial distance to this, a compensating piston are longitudinally displaceably guided in a hollow cylindrical housing, which pisto...
04/23/1991
5009300Anti-rotation device for the release bearing of a manually operated clutch
An anti-rotation device for the clutch release mechanism in a pull-type manually operated clutch system. The device has a substantially planar body portion with first and second side flanges each having proximal end portions that are joined to the lateral...
04/23/1991
5009301Clutch damper assembly
A power transmitting clutch has a transient torque damper with a floating ring and spring members disposed in torque transmitting relation between an input member and an output member. The floating ring has a pair of stop surfaces that are axially and rad...
04/23/1991
5009302Curved escalator with fixed center constant radius path of travel
An escalator is provided with a curved path of travel from its entry to its exit landings. The path of travel of the escalator steps as seen in plan is a curve having a fixed center and a constant radius from landing to landing. In elevation, each landing...
04/23/1991
5009303Automatic case accumulator
An automatic case accumulator accumulates and discharges cases in conjunction with a bottle filling line. Mother cases must be accumulated when a filling run is started until filled bottles are ready to be repacked into cases associated with later-filled ...
04/23/1991
5009304Multi-directional drive for roller conveyors or similar
A multi-directional drive for roller conveyors or similar which is capable of reversible conveying of any goods deposited on it in the X and Y directions comprises essentially a plurality of rolling elements (4, 6) consecutively configured on a shaft conf...
04/23/1991
5009305Article orientators
An article orientator (11) for example for bottles is disposed in the path of a conveyor (12) for transporting the articles (13). The orientator (11) comprises a plurality of article holders (21) which are bodily movable to divert an article (13) located ...
04/23/1991
5009306Printed circuit board conveyor and method
This invention relates to a conveyor having endless ropes for frictionally transporting articles. The conveyor comprises at least one linear conveyor and a transfer mechanism. Each linear conveyor includes endless conveying ropes and at least two conveyor...
04/23/1991
5009307Safety device for conveyor systems
A safety mechanism for conveyor systems is disclosed that enables components of the system to unfasten when an object, like a person's finger, becomes lodged in a space between two components of the system. The mechanism is automatically releasable when p...
04/23/1991
5009308Controlled rate adsorbent unit and method of fabrication thereof
A controlled rate adsorbent unit including an adsorbent and a heat-shrunk casing of porous material having a predetermined water vapor transmission rate encasing the adsorbent for prolonging the water vapor adsorption time of the adsorbent. The controlled...
04/23/1991
5009309Double chamber receptacle
The two chambers of a double chamber receptacle, especially a double chamber ampoule, are formed by two containers. The containers are arranged adjacent to one another, connected detachably and are closed by removable stoppers. One container has a neck fo...
04/23/1991
5009310Disposable container for storing and dispensing pet food
The disposable container for storing and dispensing pet food is in the shape of a pet feeding dish and is totally self contained so that the entire meal can be served and the entire unit discarded after use. The unit includes adhesive on the bottom so the...
04/23/1991
5009311Removable rigid support structure for circuit cards
Vibration and shock protection is provided for circuit cards by means of a sealed compliant bag which holds a supply of catalyst and resin which when mixed together form a foam which expands and becomes rigid upon curing. Initially, the catalyst and resin...
04/23/1991
5009312Container and improved method for carrying and transporting computer tape cartridges
A container for carrying and transporting computer tape cartridges comprising a container top pivotally secured to a container base. Both the top and the base are provided with hollow walls and ends. Both the base and the top are further provided with rib...
04/23/1991
5009313Bathroom tissue dispenser (spindle release)
A two-roll toilet paper dispenser having a vertical spindle with stop means part way up the spindle. The stop means divides the spindle into a lower portion on which a first toilet paper roll is mounted in an operative position and an upper portion on whi...
04/23/1991
5009314Bottle carrier assembly
The invention concerns assemblies or displays of plastic bottle carriers. Bottle carriers are assembled for palletization or display on an assembly plate having upstanding prongs which fit into corresponding sockets in the base of adjacent bottle carriers...
04/23/1991
5009315Container carrier
A reusable container carrier for storing and carrying beverage cans and the like wherein said container comprises a flexible, clear plastic envelope with openable top and bottom flaps and a removable insert therein for dividing said container into equal v...
04/23/1991
5009316Test tube cassette system and cassettes for use therein
A test tube cassette system and cassettes for use therein. Each cassette has a plurality of sample storage test tubes formed therein. The walls of the test tubes are planar thus providing superior optical characteristics. The cassettes are preferably mold...
04/23/1991
5009317Animal trap with sanitary handling means
A mouse trap having a flexible handle made of a thin strip of plastic material and normally extending in upright relation from one end of the trap so as not to impede access to the trigger of the trap by a mouse nor movement of the trapping bail between i...
04/23/1991
5009318Method, device and padded product for maintaining an object
An apparatus and a method are disclosed for cushioning and maintaining an object by a device having a quantity of granular material that is located in a retaining element. The retaining element is divided into compartments which contain the quantity of gr...
04/23/1991
5009319Shape giving system for soft purses
A purse including a series of flexible plastic inserts that gives the purse shape when the plastic inserts are bent and placed into the soft "skin" of the purse. These plastic inserts can be removed, if desired, so that the "soft" purse can return to a fo...
04/23/1991
5009320Packaging carton
A carton for containing food suitable for microwaving, having a pair of spaced end walls coupled with a base, a top closure wall and a side wall for each end wall of the pair of end walls adapted to fit thereover, tear portions on each of the side walls f...
04/23/1991
5009321Sorting system for organizing randomly ordered route grouped mail in delivery order sequence
A multiple-pass sorting system for sorting mail pieces in a sequence corresponding to a mail carrier's route includes storage media for storing a database containing a delivery sequence for each address on the carrier's route. As mail pieces to be deliver...
04/23/1991
5009322Process and apparatus for checking/separating out cigarettes
In the checking of cigarettes, there is the problem that, for contactless measurement, they have had to be guided at an exactly defined distance from the sensor. It is proposed to measure the distance from the two axial end faces, to form the sum of the d...
04/23/1991
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