| Patent Number |
Title Of Patent |
Date Issued |
| 4800734 |
Room air conditioner |
January 31, 1989 |
| A room air conditioner unit is disclosed having a molded polymeric chassis consisting primarily of two chassis members. A sheet metal wrapper is removably installed with four corner fasteners and gives an external appearance of a metal unit, as well as assisting in holding the two ch |
| 4798185 |
Stress-limiting flexible throttle lever apparatus for a gasoline engine driven power tool or the |
January 17, 1989 |
| The pivotally mounted throttle lever on a gasoline engine powered flexible line trimmer has a flexible arm portion which is linked to the engine's pivotally mounted carburetor throttle arm by an elongated cable structure. When the linkage structure is in a "short" portion of its lengthwi |
| 4796857 |
Metallic seal for high performance butterfly valve |
January 10, 1989 |
| A high performance butterfly valve utilizing a thin sheet metal annulus to provide sealing between a valve casing and a rotary disc type valving member. The design of the sealing element provides for a self-sealing at all pressures, with augmentation of the sealing action as a result of |
| 4793667 |
Knockdown steel counter |
December 27, 1988 |
| A knockdown metal cabinet is particularly suited for the food merchandising business and can be quickly assembled from a plurality of flat panels. A rectangular base member has upstanding brackets at each corner along front and back sides which receive channel members secured to a pair o |
| 4784581 |
Compressor head and suction muffler for hermetic compressor |
November 15, 1988 |
| A hermetic reciprocating piston refrigeration compressor utilizes separate cylinder head members for the discharge and suction plenum chambers adjacent the discharge and suction valves. The two cylinder heads extend over substantially the entire area of the valve plate at the end of the |
| 4783879 |
Roller assembly for supporting household appliances |
November 15, 1988 |
| A supporting roller assembly for a household appliance includes a fixed rear roller and a height-adjustable front roller. The front roller has a frame for mounting against a flat surface on the underside of the appliance, together with a vertically extending front wall at the front of |
| 4763696 |
Weld joint for soot blower lance tube |
August 16, 1988 |
| A soot blower lance tube having coaxially aligned sections and weld material joining the sections. |
| 4762226 |
Shipping container for major appliances |
August 9, 1988 |
| A shipping container for a household appliance is formed from a straight tube member of triple wall corrugated fiberboard without any flaps at either the upper or lower ends. A bottom cap formed from single wall corrugated fiberboard has flaps extending upward, overlying and being ad |
| 4760521 |
Arbitration system using centralized and decentralized arbitrators to access local memories in a |
July 26, 1988 |
| An arbitration system for a machine tool control has multiple processors and a local memory associated with each processor. The arbitration system allows one processor to access data stored in a foreign memory, i.e. the local memory of a second processor so that the time required for one |
| 4749304 |
Variable width material distribution system for asphalt pavers and the like |
June 7, 1988 |
| An asphalt paver, of the type having a power extendable floating screed, is provided with a power extendable auger-like material distribution mechanism, such that the width of the distribution mechanism can be varied with the width of the screed. The variable width distribution mechanism |
| 4743281 |
Filter panel assembly |
May 10, 1988 |
| A front panel mounting arrangement for a sheet filter in an air moving appliance including a frame, and when the sheet filter is in a mounted condition can be incorporated in the front panel from alternate directions, being the top and bottom of the panel, while the panel is capable |
| 4742691 |
Dehumidifier |
May 10, 1988 |
| A portable dehumidifier of the domestic type includes a one piece, vertically extending, plastic frame supporting a condenser/evaporator module, a fan module, and a condensate collecting bucket. The frame, providing an integral air flow duct at its upper end, is supported at its lowe |
| 4731903 |
Self-latching hinge |
March 22, 1988 |
| A hinge for mounting an access door on a room air conditioner has a hinge member having a tang at one end engaging a slot on the air conditioner front frame to mount the hinge member in a fixed position. The other end of the hinge member has a pair of resilient legs interspaced by a |
| 4730630 |
Dishwasher with power filtered rinse |
March 15, 1988 |
| A dishwasher has a washing chamber having at the top a rotatable wash arm which is supplied with filtered fluid from the dishwasher pump to prevent redeposition of soil particles on the dishes. In one embodiment, the fluid is supplied when the unit is in the recirculate or wash mode at a |
| 4723896 |
Compressor discharge valve assembly |
February 9, 1988 |
| A hermetic refrigeration compressor has a flat valve plate closing off a cylinder bore. The valve plate has an elongated recess on the outer side around the discharge port and a discharge valve assembly, comprising a flat reed valve and backing spring, fits within the recess beneath an |
| 4718830 |
Bearing construction for refrigeration compresssor |
January 12, 1988 |
| A hermetic refrigeration compressor has a cylinder block and a crankshaft rotatable about a vertical axis to reciprocate a piston in a cylinder on the cylinder block. A separate bearing housing is secured to the central portion of the cylinder block and extends vertically along the crank |
| 4718705 |
Bimetal actuated lock |
January 12, 1988 |
| A door locking device for an appliance such as a washing machine has a rotatable lock lever actuated to engage a latch carried by the door to hold the door in a closed position. The lock lever is actuated by a bimetallic element which is adapted to be connected in series with the dri |
| 4712769 |
High temperature balanced valve trim |
December 15, 1987 |
| The disclosure is directed to a seal forming means in a valve plug for use in a fluid control valve, particularly in high temperature and high pressure fluid applications. The valve plug of the invention generally comprises a main valve plug member and a seal forming member associated |
| 4712768 |
Quarter turn valve |
December 15, 1987 |
| The disclosure is directed to a high performance butterfly control valve which may be applied and utilized in critical high pressure and/or high performance operation environments. In accordance with the invention, the vane of the butterfly valve is formed to include first and second |
| 4708519 |
Asphalt paving machine with liftable, adjustable auger mechanisms |
November 24, 1987 |
| An improved mounting arrangement for the auger and auger drive mechanism of a floating screed type asphalt paver. A drive box, pivotally mounted at the back of the paver, supports and drives the inboard ends of left side and right side augers. A cantilever beam, mounted on the drive box, |
| 4680948 |
Dryer mounting bracket assembly |
July 21, 1987 |
| A bracket assembly is provided to allow for vertical mounting of a washer and dryer to form a laundry center. The assembly includes a left and right mounting bracket. The mounting brackets each have a lower mounting flange which joins a lower leg to form a lower angle. The lower angle co |
| 4680943 |
Ice maker |
July 21, 1987 |
| A low cost automatic ice cube maker of simplified construction for use in the freezer compartment of a domestic refrigerator. The ice maker includes a one-piece, molded plastic bail or sensing arm for monitoring the level of ice cubes in an underlying storage bin. The movable bail includ |
| 4676481 |
Seal for high performance butterfly valve |
June 30, 1987 |
| The disclosure is directed to a high performance, leak tight seal for use primarily in butterfly control valves. In accordance with a significant feature of the invention, the seal is arranged and configured whereby fluid pressure within the butterfly valve environment is retained by the |
| 4669702 |
Erosion resistant soft seated valve trim |
June 2, 1987 |
| The disclosure is related to a high pressure fluid control valve including a valve seat made from a resilient, deformable material and a main valve plug which is matable with the resilient, deformable valve seat. A selectively, axially displacable valve stem is associated with the valve |
| 4663948 |
Control circuit for combination washer and dryer |
May 12, 1987 |
| A combination clothes washer and dryer of the domestic type, powered by a 110 volt, 15 or 20 ampere residential power line, includes a motor driven washer, and a motor driven tumbler type dryer supplied with heated air by an electrical resistance heater. When simultaneous operation of th |
| 4642037 |
Reed valve for refrigeration compressor |
February 10, 1987 |
| A suction valve for a small refrigeration compressor is in the form of a thin sheet metal reed having a sealing portion adapted to make sealing contact with a valve seat around the suction port on a valve plate. The valve reed is formed from a valve sheet by an outline defining cut so th |
| 4640305 |
High temperature, zero leakage packing assembly |
February 3, 1987 |
| The disclosure is related to a high temperature, zero leakage packing assembly for use in connection with the valve stem of a high pressure control valve. The packing assembly is particularly suitable for use in the control of high temperature, high pressure fluids containing corrosive |
| 4635444 |
Ice maker |
January 13, 1987 |
| A low cost automatic ice cube maker of simplified construction for use in the freezer compartment of a domestic refrigerator. The ice maker includes a onepiece, molded plastic bail or sensing arm for monitoring the level of ice cubes in an underlying storage bin. The movable bail include |
| 4632280 |
Ice dispensing mechanism |
December 30, 1986 |
| An ice cube storage bin located beneath an automatic ice maker of a domestic refrigerator contains a pair of elongated ice dispensing rams that reciprocate along parallel lines, one of the rams moving toward the front of the bin, as the other moves toward the rear. The rams are inter |
| 4610492 |
Rotary file locking mechanism |
September 9, 1986 |
| A rotary file having an outer fixed cabinet and an inner cabinet rotatable on a vertical axis includes a locking mechanism comprised of a pair of simultaneously movable stops that can interfere with rotation of the inner cabinet in either direction. The stops are spaced from each other a |
| 4580310 |
Soot blower including revolving roller assembly with modular construction |
April 8, 1986 |
| The disclosure is directed to a soot blower of the long retracting type. In accordance with the invention, a revolving roller assembly is provided to support and guide the lance tube of the soot blower during its working motion along a predetermined path of travel. The rollers of the rev |
| 4574610 |
Refrigeration apparatus and method of making same |
March 11, 1986 |
| A method of securing a tube, such as a condenser tube for a refrigeration cabinet, to the inside of the outer walls of the cabinet by means of direct welding between the tube and the oil panel of the cabinet. The tubing is formed to the desired configuration and a plurality of projec |
| 4557463 |
Erosion resistant soft seated valve trim |
December 10, 1985 |
| The disclosure is related to a high pressure fluid control valve including a valve seat made from a resilient, deformable material and a main valve plug which is matable with the resilient, deformable valve seat. A selectively, axially displaceable valve stem is associated with the valve |
| 4557028 |
Composite inflatable crown roll |
December 10, 1985 |
| An inflatable crown roll for a rolling mill is made entirely from castings and has a cavity of very small radial dimension. In one embodiment the arbor is cast in the usual way. Its surface bounding the cavity is coated with a refractory composition that will disintegrate after being hea |
| 4555049 |
Ice door mechanism |
November 26, 1985 |
| In a refrigerator having a cabinet which defines an opening, an ice dispensing apparatus within the opening dispenses ice pieces through a delivery chute. An inner ice door is mounted on hinges within the delivery chute and movable to a first position which blocks the delivery chute from |
| 4554796 |
Split system air conditioner |
November 26, 1985 |
| A refrigeration compressor and condenser unit is in the form of a rectangular box having opposed, vertical sidewalls and a condenser at one vertical end wall. A fan panel assembly, including a grille, venturi member, fan, and fan motor, is selectively mounted either at the one vertic |
| 4553297 |
Hydro-mechanical inflatable crown roll |
November 19, 1985 |
| The cavity or gap between shell and arbor of a hydraulically inflatable roll also houses metal support elements which may be adjusted to fill that gap partially or wholly. The roll support elements are mating wedges, preferably a pair of sawtooth profiled metal ring assemblies with incli |
| 4553296 |
Self-contained inflatable crown roll |
November 19, 1985 |
| A self-contained inflatable variable crown roll having a circumferential cavity between sleeve and arbor has means to connect that roll cavity to an external high pressure fluid pump when the roll is not rotating. The roll preferably has a reservoir within its arbor which is charged with |
| 4550770 |
Reverse cycle room air conditioner with auxilliary heat actuated at low and high outdoor tempera |
November 5, 1985 |
| A self-contained window-mounted, heat/cool room air conditioner for automatically maintaining a predetermined indoor room temperature over a wide range of outdoor ambient temperatures. The air conditioner includes a reverse cycle refrigeration system having an inside heat exchange coil a |
| 4545743 |
Oil stirrer for refrigeration compressor |
October 8, 1985 |
| A refrigeration compressor assembly includes a motor compressor mounted within a hermetically sealed shell with a sump area at the bottom containing a lubricating oil. An oil stirrer is secured to the crankshaft below the motor components and includes a hub secured to the crankshaft |
| 4543800 |
Refrigerator door hinge |
October 1, 1985 |
| The door-mounted water and ice cube dispenser of a refrigerator is supplied with chilled water and electrical power by a water conveying conduit and a plurality of electrical conductors which together pass through a hollow pintle and socket portion of a lower hinge assembly pivotally sup |
| 4519223 |
Washing machine tub construction |
May 28, 1985 |
| A top loading clothes washing machine has a resiliently mounted outer tub within which is a spin tub mounted for rotation about a vertical axis. At its upper end, the spin tub has a weighted balance ring releasably mounted on the inner side of the spin tub and extending toward the centra |
| 4511431 |
Process for evaporative stripping |
April 16, 1985 |
| Liquid material is heated within a first predetermined portion of a confined passageway under pressure and temperature conditions whereby the volatile components of the liquid material are maintained below the boiling point for said volatile components. The heated liquid material is |
| 4506458 |
Control circuit for gas heated appliance |
March 26, 1985 |
| A normally closed, single pole, single throw, thermostatic switch is electrically connected in parallel relationship across a timer motor. The parallel network constituted by the timer motor and switch is connected in series relationship with a gas burner regulation circuit. The seri |
| 4502311 |
Apparatus and method for press-edging hot slabs |
March 5, 1985 |
| The apparatus and method make possible the semi-continuous rolling of an extensive range of product widths from no more than three widths of slabs. The leading end of a slab is forged or upset laterally between dies tapered to reduce its width at said end gradually to a value less than t |
| 4502303 |
Washing machine tub construction |
March 5, 1985 |
| A top loading clothes washing machine has a resiliently mounted outer tub within which is a spin tub mounted for rotation about a vertical axis. At its upper end, the spin tub has a weighted balance ring releasably mounted on the inner side of the spin tub and extending toward the centra |
| 4498213 |
Soot blower |
February 12, 1985 |
| The disclosure is directed to a soot blower of the long retracting type. In accordance with the invention, a novel cable drive system is provided to impart a traverse motion to the lance tube of the soot blower. The cable drive system comprises a rotatable, cable-supporting drum, a first |
| 4495387 |
Rotary selector switch |
January 22, 1985 |
| A multicircuit rotary selector switch having no external terminals is disclosed. A two-part interlocking housing journals a user-rotatable shaft carrying a stack of coaxially oriented, multilobed cam discs, each disc defining a tier level within the housing. Engageable with each disc and |
| 4489470 |
Refrigeration apparatus and method of making same |
December 25, 1984 |
| A method of securing a tube, such as a condenser tube for a refrigeration cabinet, to the inside of the outer walls of the cabinet by means of direct welding between the tube and the oil panel of the cabinet. The tubing is formed to the desired configuration and a plurality of projec |
| 4488412 |
Adjustable air duct for a meat keeper |
December 18, 1984 |
| A meat keeper compartment includes an adjustable air duct assembly which supplies cold air flow from the evaporator compartment of a top freezer type refrigerator into a meat keeper receptacle slidably mounted on a shelf which may be positioned at different levels or on different sides o |
