Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4731882 | Safety garment A garment that is connectable to a safety line or the like and which includes at least one band, which is intended to take up the weight of a person wearing the garment. The band is disposed to move substantially freely in channels (a-c) in the garment (1... | 03/22/1988 |
| 4731883 | Garment ventilation apertures with cover flap An outer rain wear garment is provided with improved ventilation in the form of a mesh insert under a pocket flap of the garment. The flap can be secured to the garment either in a regular pocket-closing position effectively blocking the mesh or in an arc... | 03/22/1988 |
| 4731884 | Clothing article having modifiable appearance An article of wearing apparel is constructed having a full conical skirt, a close fitting waist and bodice, and a wide neck strap section, enclosed within a pair of moveable cloth shaping rings. The dress is constructed in three sewn panels of four-way st... | 03/22/1988 |
| 4731885 | Device for dividing the air flow entering in a helmet into a central upward flow and two lateral flows A device to direct on the vizor the central part of the air flow entering from the helmet's front grating, while the other two air flows entering through lateral slots (12,12') are directed sidewise. The entry of the lateral air flows can be adjusted by m... | 03/22/1988 |
| 4731886 | Rotating post activator for swinging vehicle door A device for activating a rotating post, especially one that moves a swinging-door panel in a motor vehicle and which need no additional space at each end of the rotating post. The post is rotatably mounted in a mount at each end. The post is a hollow cyl... | 03/22/1988 |
| 4731887 | Water entrainment hydrotherapy jet assembly A hydrotherapy jet assembly and/or installation configured to discharge a high intensity stream into a water tub without requiring air entrainment. Passageway means are provided for drawing water from the tub into the mixing chamber of a jet assembly for ... | 03/22/1988 |
| 4731888 | Convertible van sofa A base frame is provided as well as a seat support and a seat back support. Mounting structure supports the supports from the frame for movement between first seat defining positions and second bed defining positions. The seat support is horizontally disp... | 03/22/1988 |
| 4731889 | Safety latch for a tilting bed This invention provides a highly reliable safety device having a high fail-safe feature, which comprises a sector gear rotatably supported on a support base, a bed section supported on the sector gear and tiltable to a predetermined diagnostic angle anywh... | 03/22/1988 |
| 4731890 | Pillow A pillow adapted for use by nursing mothers comprises a pair of arms forming an L shape. One of the arms is wider than the other, and preferably is less densely filled, so as to form an infant support surface, the other arm functioning as a cushion suppor... | 03/22/1988 |
| 4731891 | Apparatus and method for manufacturing a waterproof pillow A waterproof pillow has body made of closed cell foam material and an open cell foam insert disposed with the airtight chamber formed by the body. After assembly, the pillows may be coated with a plastic material. The combination of closed cell foam, an airtig... | 03/22/1988 |
| 4731892 | Waterbed and holder assembly for use therewith A waterbed and holder assembly for use therewith wherein the holder assembly comprises a U-shaped base member for being secured to the waterbed's frame, an expandable, resilient member (e.g., elastic fabric material) for being secured at one end to an art... | 03/22/1988 |
| 4731893 | Method of caustic alkali treatment for knitted work The present invention is directed to a method of caustic alkali treatment, wherein the knitted work extended in the lengthwise direction and shrunken in the widthwise direction due to the scouring (or degumming) and the bleaching treatment is, after being... | 03/22/1988 |
| 4731894 | Orbital polishing system An orbital polishing system includes the drive motor assembly for orbitally rotating a buffing pad. The buffing pad includes contour means for defining a groove on a periphery thereof for supporting a buffing cloth thereon and an elastic O-ring is sized f... | 03/22/1988 |
| 4731895 | High speed floor burnishing machine A pad driver assembly for a high speed floor burnishing machine includes a flexible or semi-rigid backing member with a pad beneath it and gripping projections for holding the pad in place. The backing member is provided with apertures so that when the pa... | 03/22/1988 |
| 4731896 | Adjustable toothbrush A toothbrush having two arms pivotally jointed with cleansing means at the other extremities of both arms. The jointed section comprises several methods for manipulating and indexing the arms relative to each other to permit brushing in various parts of t... | 03/22/1988 |
| 4731897 | Modular mop holder A modular mop holder for flat mops including a basic section adapted to be attached to a mop handle, and wherein the basic sections length can be selectively increased by releasably connected extension sections.... | 03/22/1988 |
| 4731898 | Brush speed indicator An electric vacuum cleaner includes a rotating brush driven by an elastomeric belt coupled to a motor spaced from the brush. Jamming of the brush bearings, wear of the belt, separation of the belt from the drive shaft, or breaking of the belt hinders or p... | 03/22/1988 |
| 4731899 | Rotary roller set directional control device The present invention is related to a rotary roller set directional control device, particularly to a rotary roller set device, which is characterized by a novel design wherein two opposite longitudinal positioning slots are positioned at the upper sectio... | 03/22/1988 |
| 4731900 | Tubular chair leg formed for direct mounting of caster or glide A tubular metal chair leg is formed by a die to provide on its end an integral socket for the direct reception of the pintle of a caster or shank of a glide. The construction enables the use of identical casters and glides on tubular as well as cast legs.... | 03/22/1988 |
| 4731901 | Castor wheel with non continuous ribs for lubricant A moulded plastics article having a closed bore to receive a spindle, the bore being formed with at least one radially inwardly projecting annular rib adapted to locate in a circumferential groove in the spindle, characterized in that the or each rib is i... | 03/22/1988 |
| 4731902 | Door and gate spring A coil spring has elliptical openings in the end turns for non-rotatably receiving elliptically shaped studs which are press-fitted into the spring, the ends being respectively attached to a pair of mounting brackets.... | 03/22/1988 |
| 4731903 | Self-latching hinge 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 res... | 03/22/1988 |
| 4731904 | Spring system for stabilizing bifold door hinged positions A spring system for stabilizing bifolding door hinged positions includes an integral "C"-shaped spring with at each end of the "C"-shape a respective straight shank formed at right angles to the plane of the "C"-shape in parallel spacing from each other. ... | 03/22/1988 |
| 4731905 | Overhead door torsion spring assembly and method A torsion spring assembly for counterbalancing overhead doors which includes an elongated helical torsion spring with coils that are normally spaced apart (when the spring is untensioned), a shaft extending through the spring, and a pair of spring-mountin... | 03/22/1988 |
| 4731906 | Apparatus for making a simulated natural cut of meat The product of the invention is a non-cylindrical coextrudate with a meat body and a fat coating. This product is extruded from a head partitioned into a meat discharging portion and a fat discharging portion each fed from a pump. Means are provided to ma... | 03/22/1988 |
| 4731907 | Device for cutting open slaughtered poultry Device for cutting open the bottom of slaughtered poultry, provided with a knife which is movable along an arc of a circle by means of a follower cooperating with a curved path. According to the invention at least part of the cutting edge of the knife is ... | 03/22/1988 |
| 4731908 | Apparatus for the scalding of carcasses An apparatus for the scalding of carcasses comprises a heat insulated cabin (1) for the carcasses (3) and fans (4) with appertaining air ducts (5) for the circulation of hot, humid air past the carcasses being conveyed through the cabin. Fan supported bur... | 03/22/1988 |
| 4731909 | Apparatus for controlling the feed roller of a fiber tuft feeder An apparatus for regulating the rpm of the feed roller of the tuft feeder and having an rpm measuring device connected to at least one card roller for generating a first signal representing an operational magnitude of the card roller; a signal generating ... | 03/22/1988 |
| 4731910 | Hooking mechanism A hooking mechanism for quick, easy and reliable securing including a shank having one end securable to a connecting member, and having first and second yoke arms extending outwardly at its opposite end. The yoke arms are curved to define a generally annu... | 03/22/1988 |
| 4731911 | Extruded closure strip carrying reactivatable adhesive layer A closure strip adapted to be bonded to a substrate comprises a one-piece polymeric extrusion having a base surface essentially no wider than the profile portion of the strip and wherein a plane projected normal to and bisecting the base surface longitudi... | 03/22/1988 |
| 4731912 | Seat belt buckle guard A seat belt buckle release guard apparatus has a box like device including first and second portions having recessed opposing ends and sides that are shelf hinged on one side, and bear a latch on a side opposing the hinged side. When the first and second ... | 03/22/1988 |
| 4731913 | Process for making jewelry comprising one or more rows of stones and jewelry obtained by these processes This invention relates to processes for making jewelry comprising one or more rows of precious stones set in a support made of precious metal. One or more rows of cylindrical housings extended by a conical seating and a counter-bore are machined in the su... | 03/22/1988 |
| 4731914 | Method for manufacturing an electrohydraulic valve assembly Method for manufacturing a electrohydraulic valve, a solenoid operated valve assembly, formed of a ferromagnetic end stop section and body section, an orifice section and a sleeve section of low magnetically permeable material. The sleeve section has an i... | 03/22/1988 |
| 4731915 | Machinery support and method A structural mounting for a heavy machinery with rotating parts being supported between a foundation surface and the heavy machinery is disclosed which includes an impermeable foundation surface supporting spaced apart columns of epoxy or similar grouting... | 03/22/1988 |
| 4731916 | Method of removal of outrigger box on cranes A pair of fixed parallel transport rails for the outrigger box of a mobile crane are installed at the bottom of the crane chassis frame. The outrigger box is held on the chassis frame by four removable tapered pins. One jack cylinder on the outrigger box ... | 03/22/1988 |
| 4731917 | Staple gun application of vinyl siding A pneumatically operated staple gun with an adjustably spaced away elongate guide shoe allows control, with fine adjustment, of depth of penetration of staples, when stapling, through nailing slots of vinyl siding, into thick low density insulating boards... | 03/22/1988 |
| 4731918 | Method of attaching a corner protector to a tabletop or the like A corner protector for a tabletop or the like includes a rigid protective body having a platen portion adapted to be received by a recessed region of a tabletop corner and a flange portion which extends generally to one side of the platen portion so as to... | 03/22/1988 |
| 4731919 | Centering mechanism for moving coil force motor A method of manufacturing a moving coil force motor particularly adapted for utilization with a hydraulic servovalve. The method includes aligning a flexure spring with respect to the permanent magnet structure and thereafter securing the permanent magnet... | 03/22/1988 |
| 4731920 | Method for mounting a magnetic head A method and a structure for mounting to a head carriage a magnetic head applicable to a magnetic recorder or reproducer in an electronic camera system wherein an object is electronically photographed and recorded into a rotating magnetic disc and an imag... | 03/22/1988 |
| 4731921 | Method of fabricating a molded case circuit breaker An interchangeable operating mechanism assembly for molded case circuit breakers having a detachable movable contact arm and trip unit assembly allows the same mechanism assembly to be employed across a wide range of breaker ratings. A snap-on common trip... | 03/22/1988 |
