| Patent Number |
Title Of Patent |
Date Issued |
| 4471338 |
Thermal cycling switch |
September 11, 1984 |
| A push-to-turn thermal cycling switch for regulating the wattage of a resistance type surface heating unit of a domestic cooking range of the electric type is disclosed. The duty cycle of the heating unit, and thus its heat output is regulated by the switch cycling on and off in acco |
| 4461505 |
Suspended load rotating lifter |
July 24, 1984 |
| The invention comprises a load-supporting beam provided with plates at each end which are pivotally mounted to pendants at each end, to which pendants are attached the suspending cables. Each pendant carries a hydraulic cylinder attached at one end to the pendant and at the other end to |
| 4458611 |
Needle bar guide for a zig zag sewing machine |
July 10, 1984 |
| A non-rotatable, disc-like bobbin carrier is nested in a cup-shaped, vertical axis, rotary loop taker that slidably supports the bobbin carrier at its periphery on an annularly extending, discontinuous lip constituting a circular race slightly offset eccentrically from the loop taker axi |
| 4457155 |
Overhung bar rolling mill stand and two-axis gauge control system |
July 3, 1984 |
| The mill stand houses a pair of upper backup rolls and a pair of lower backup rolls between which pairs the upper and lower roll drive shafts are journalled. The overhung work rolls are affixed to the ends of the drive shafts. Apparatus is provided for automatically adjusting the work ro |
| 4445349 |
Variable crown roll shape control systems |
May 1, 1984 |
| A hydraulically inflatable roll for flat rolled products is formed with a constant cross section internal fluid channel spaced uniformly from its working surface and extending spirally from end to end of the roll. The channel is connected through an end of the roll to a source of hydraul |
| 4442047 |
Multi-nozzle spray desuperheater |
April 10, 1984 |
| A steam desuperheater comprising a liquid spray tube assembly positioned in a steam line and including a plurality of liquid outlet openings supplying liquid to plural spray nozzles, and a hollow piston plug axially movable therein upwardly from a lower valve seat to progressively open s |
| 4437201 |
Soot blower |
March 20, 1984 |
| The invention is directed to a soot blower for cleaning the interior surfaces of a boiler by discharging a suitable cleaning fluid from a nozzle against such surfaces. The soot blower includes a novel drive system operable both as the horizontal drive for the traveling carriage of th |
| 4432293 |
Vertical axis rotary loop taker |
February 21, 1984 |
| A non-rotatable, disc-like bobbin carrier is nested in a cup-shaped, vertical axis, rotary loop taker that slidably supports the bobbin carrier at its periphery on an annularly extending, discontinuous lip constituting a circular race slightly offset eccentrically from the loop taker axi |
| 4431907 |
Range temperature protection |
February 14, 1984 |
| A domestic range of the electric type includes a cooking platform providing a plurality of "burner" locations constituted by pancake-shaped surface heating elements formed of spirally wound resistance wire. An elongated boxlike control unit extends upwardly from and across the back edge |
| 4423978 |
Shelving construction |
January 3, 1984 |
| A knockdown metal shelving assembly is disclosed. Upright frame members providing vertical series of equidistantly spaced keyhole slots are interconnected by horizontally extending shelf supports. Interconnection portions of the shelf supports are punch pressed to provide tablike pro |
| 4414871 |
Chuck force modulator system for rotary type machine tool |
November 15, 1983 |
| The disclosure relates to an improved chuck force control and compensating means for rotary machine tools, such as lathe. The control is used with power-operated chucks and provides reliable and effective compensation for the effect of centrifugal force, which otherwise tends to reduce g |
| 4407609 |
Apparatus and method for providing negative buoyancy for tunnel forms |
October 4, 1983 |
| A method and apparatus for eliminating the necessity of providing hold-down devices, such as spuds and anchors, for opposing buoyancy in tunnel forms. The method comprises providing a movable counterweight car which preceeds the flow of fluid concretes, as it slopes from the crown of the |
| 4407407 |
Method for rotating and conveying coils |
October 4, 1983 |
| Coils of hot strip are conveyed in the eye horizontal position along a path travel of the coil axis normal thereto and defined by successive intersecting arcuate segments. Swinging transfer members which overlap at their free ends transfer each coil from a member to its next downstream |
| 4401418 |
Muffler system for refrigeration compressor |
August 30, 1983 |
| A hermetic reciprocating piston refrigeration compressor has a high efficiency muffler system. The suction muffler has an inlet adjacent the refrigerant return line and is made of an insulating material. It is mounted on a pair of suction tubes secured to the cylinder head and extend |
| 4387481 |
Soot blower |
June 14, 1983 |
| 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 |
| 4381444 |
Range surface unit receptacle |
April 26, 1983 |
| The spadelike terminal pins of a conventional plug-in surface heating element for a domestic range of the electric type are received in a socket member hingedly mounted to the range by a clip structure including a spring-biased pin joint. The clip structure allows the heating element, |
| 4379653 |
Asphalt paver with telescoping screed |
April 12, 1983 |
| The disclosure relates to a floating screed type asphalt paver provided with extendable, retractable auxiliary screed units which, in their retracted positions, are mounted in front of the main screed and carry edger plates. By mounting the screed extensions in front of the main scre |
| 4374320 |
Motorized oven door latch and control circuit for same |
February 15, 1983 |
| An L-shaped hooked end of a latch rod, rotatably supported by a range body, engages a door-supported cam surface as the rod is rotated on its longitudinal axis by a motor to effect oven door locking. The cam surface is fixed at and radially spaced from the center of an elongated member |
| 4372652 |
Laminated gage glass assembly |
February 8, 1983 |
| A gage glass assembly can be mounted in a standard pipe joint flange and has a sleeve with an inturned flange at the outer end and an outwardly extending flange at the inner end. A pair of cylindrical lenses inside the sleeve are interspaced by a plastic sheet that also extends axially |
| 4370104 |
Suction muffler for refrigeration compressor |
January 25, 1983 |
| A hermetic refrigeration compressor includes a suction muffler formed from two pieces of plastic material mounted on the cylinder housing. One piece is cylindrical in shape with an end wall having an aperture for receiving a suction tube connected to the cylinder head. The other piece fi |
| 4368815 |
Billet turning mechanism |
January 18, 1983 |
| Apparatus for turning an elongated billet on a mill table about its longitudinal axis without displacing it laterally of the table comprises a U-shaped billet rotating head mounted on a car movable below the mill table transversely thereof. Means are provided for simultaneously rotating |
| 4354294 |
Rotary wall deslagger |
October 19, 1982 |
| The disclosure is directed to a rotary wall deslagger for cleaning boilers. In accordance with the invention, an extensible rack element is selectively, mechanically coupled to a rotatable lance tube of the rotary wall deslagger to move the lance tube between a working and non-working |
| 4352377 |
Compressor discharge valve |
October 5, 1982 |
| A discharge valve assembly for a compressor includes a valve plate having a pair of projecting guideposts. A discharge port is located in said valve plate closer to one of the posts than the other post and a stop member is mounted on the guidepost to define a stop surface spaced from the |
| 4351288 |
Oven door latch |
September 28, 1982 |
| A mechanism for inhibiting the locking movement of a hooklike oven door latch member when an associated keeper fixed to the oven door is not in its proper position for engagement with the latch member. Inhibiting the locking movement of the latch member precludes the closing of associate |
| 4351096 |
Multiple spindle rotary indexing machine tool |
September 28, 1982 |
| The disclosure relates to an improvement in multiple spindle, single drive, rotary indexing machine tool systems. The basic machine comprises a fixed circular base and a central, upwardly projecting column. An indexing circular worktable is mounted on the base, for incremental, rotary |
| 4332376 |
Mechanism for stacking sequentially received sheets |
June 1, 1982 |
| Serially flowing, conveyor-transported, horizontal sheets are sequentially dropped from a vertically fixed location atop one another onto a chain-supported stacking table incrementally lowered, by a distance equal to the thickness of a sheet, in synchronism with the rate of sheet del |
| 4326618 |
Safety feed table release mechanism |
April 27, 1982 |
| A feed table for serially conveying sheets from the stack location magazine of an offset press to its printing head is pivotally mounted at its end adjacent the magazine. The other table end adjacent the printer head is mounted to the printer head housing by a spring-biased release mecha |
| 4325679 |
Oil pump for hermetic compressor |
April 20, 1982 |
| A hermetic refrigeration compressor has a two-stage oil pump in the vertically aligned crankshaft that is journaled in a combination thrust and radial bearing at the bottom of the crankshaft. The oil passes upward through an axial passage in the crankshaft and then outward through a |
| 4321746 |
Tool changer for vertical boring machine |
March 30, 1982 |
| The disclosure relates to a tool storage carousel assembly for use in a tool change system of a vertical lathe or the like. The tool storage carousel assembly generally comprises a rotatable turntable having a plurality of radially projecting tool block supporting elements. Each of t |
| 4287873 |
Oven door hinge |
September 8, 1981 |
| A pair of spring-loaded oven door hinge mechanisms, mounted on a domestic range body and located at the lower corners of a counterbalancing oven door lock in a partially open position upon removal of the oven door to preclude accidental tripping of the non-counterbalanced hinge mechanism |
| 4274433 |
Packed plug for a fluid valve |
June 23, 1981 |
| In a valve structure, a valve plug apparatus to provide a leak-tight valve shut-off, is disclosed. The valve structure includes a valve body provided with an inlet passage, an outlet passage and an internal web portion intermediate the inlet and outlet passages. A closeable passage-formi |
| 4263886 |
Method and apparatus for controlling a liquid fuel space heater |
April 28, 1981 |
| An electronically controlled space heater includes a ceramic block heating element fed by a metering pump with fixed volume charges of liquid fuel at a rate dependent on temperature requirements. The heating element is located within a combustion chamber. Exhaust gases vented from the |
| 4257147 |
Overload clutch for the feed roll of a carding machine |
March 24, 1981 |
| An electromagnetically actuated jaw clutch for torsionally driving the feed roll of a carding machine includes a pair of annular, rack-toothed face gears spring biased away from each other in opposed relation to establish a nonengaged position when the clutch is de-energized. Energizatio |
| 4250815 |
Cantilevered shelf and supporting means |
February 17, 1981 |
| An easily mountable and repositionable cantilevered shelf supported from the rear wall of a commercial refrigerator or freezer cabinet on two vertical support members secured inside on the rear wall. Each support member has longitudinal flanges projecting forward from an elongate ver |
| 4241718 |
Range body cooling system |
December 30, 1980 |
| A free-standing, convection-cooled domestic range of the pyrolytic self-cleaning type including heat sink means for limiting the temperature of user accessible exterior surfaces of the range body to safe levels during a high temperature, oven-cleaning operation. A pair of downwardly |
| 4241475 |
Waste remover for carding machine |
December 30, 1980 |
| A carding machine waste remover includes a continuously evacuated chamber containing an adjustably movable array of parallel bars immediately adjacent the surface of revolution of a rotating card cylinder. The bars are each parallel to and equidistantly spaced from the card cylinder axis |
| 4238908 |
Formed metal panels |
December 16, 1980 |
| A metal panel, particularly though not exclusively for use as an outer panel of a refrigerator door or hinged freezer lid, has a peripheral lip forming an inwardly facing channel. The channel is formed by two folds, the outer fold being formed by roll-forming operations and the inner by |
| 4231292 |
Safety interlock for offset printing press |
November 4, 1980 |
| A two-color offset printing press having two plate cylinders simultaneously engageable with a single blanket cylinder is disclosed. The plate cylinders and the blanket cylinder are rotatably mounted on a printer head fixed to the mainframe of the press. A first set of dampening and inkin |
| 4228994 |
Variable jogger for a sheet feeder |
October 21, 1980 |
| A pair of colinearly movable, reciprocating paddles for bumping the side edges of sheets flowing serially along a feed path is disclosed. The sheets travel between the reciprocating paddles in a direction generally perpendicular to paddle movement. The paddles jog the sheets into a c |
| 4223538 |
Refrigerator compartment divider mounting |
September 23, 1980 |
| An improved refrigerator partition bottom closure support frame assembly comprising a pair of side wall sections and a rear wall section whereby the closure may be slidably removed and reinstalled without removal of the closure support. The support frame provides concealed adjustment gap |
| 4222325 |
Mounting means for movable carriage on an offset press |
September 16, 1980 |
| A two-color offset printing press having two plate cylinders simultaneously engageable with a single blanket cylinder is disclosed. The plate cylinders and a blanket cylinder are rotatably mounted on a printer head fixed to the mainframe of the press. A first set of dampening and inking |
| 4221547 |
Resilient mount for dishwasher motor and pump assembly |
September 9, 1980 |
| The mounting for a motor-pump housing in the bottom opening of a dishwasher chamber consisting of a one-piece elastomer sleeve formed by a large diameter radially outwardly directed top gasket portion, a frusto-conical medial portion and a smaller diameter bottom cylindrical portion. The |
| 4220266 |
Ice door delay mechanism |
September 2, 1980 |
| A refrigerator freezer door has an ice service area in its outer face including an actuator for opening a passage closure member. Upon depressing the actuator a switch is closed to energize a power driven ice dispenser in the freezer compartment which discharges ice pieces down a chu |
| 4214528 |
Plate cylinder side register adjustment |
July 29, 1980 |
| A two-color offset printing press having two plate cylinders simultaneously engageable with a single blanket cylinder is disclosed. The plate cylinders and the blanket cylinder are rotatably mounted on a printer head fixed to the mainframe of the press. A first set of dampening and inkin |
| 4214224 |
Multi-function self-cleaning oven thermostat |
July 22, 1980 |
| A multi-function, pyrolytic self-cleaning oven thermostat for regulating bake and clean temperatures and oven door unlatching. The thermostat includes separate bistable and creep-action switch mechanisms actuated by a single thermally expansive hydraulic wafer responsive to oven temp |
| 4210071 |
Mounting for room air conditioner access door |
July 1, 1980 |
| A door construction for hingedly mounting a room air conditioner control area access door on the front cover panel. The door includes an L-shaped angle extension formed integrally with the door rearwardly pivoted vertical edge. The construction defines a recessed shoulder positioned in |
| 4209995 |
Controls for room air conditioner with timer and power saver |
July 1, 1980 |
| A room air conditioner unit having juxtaposed main function switch means and auxiliary function switch means operative in a control circuit with an electric timer located in the unit's control area. The main function switch means has interlocked switches to operate a fan motor at low fan |
| 4206897 |
Self-adjusting spring retainer |
June 10, 1980 |
| A spring fastener for supporting circuit components or the like to a mounting surface. The fastener consists of a length of resilient wire bent into a pair of arms extending from both sides of a U-shaped base so as to be substantially normal thereto. Lower arm sections are disposed in sp |
| 4205540 |
Washing machine additive dispenser with siphon starter |
June 3, 1980 |
| An additive dispensing device including a container, adapted for use with an appliance such as a washing machine. The container has an interior additive receiving space formed in part by side wall means with at least a portion thereof formed with a curved surface. A water inlet spout is |
| 4201240 |
Electronic liquid level monitor and controller |
May 6, 1980 |
| The cycles of an oscillator varying in frequency in proportion to the changing level of a monitored liquid are counted over a fixed period of time. A derived submultiple of the count is compared relative to an electronically stored table of numbers indicative of known liquid levels. |
