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 |
| 4686710 | Sports neck protector A lightweight, flexible sports neck protector is provided for sports players, especially hockey players, comprising an elongated, substantially flat armour member adapted to be positioned about the neck of a wearer and shaped to at least cover vital areas... | 08/18/1987 |
| 4686711 | Eye protection device for welder protection equipment An eye protection device for the window of a welding hood or shield includes a first stationary screen portion and a second screen portion which is reciprocable toward and away from a position in the window. A drive for the movable screen portion is conne... | 08/18/1987 |
| 4686712 | Goggle mounting system The goggle mounting system comprises protective goggles which carry one strap on each side for attachment to a helmet. The straps are flexible and resilient. The attachment of the straps to the helmet is such that the strap on only one side is easily disc... | 08/18/1987 |
| 4686713 | Visor and assembly method for visor A high-quality, cloth visor which does not completely encircle the head and a method for assembling the same. All seams are hidden with no exposed edges of cloth on the exterior of the visor that can be snagged or unraveled.... | 08/18/1987 |
| 4686714 | Reversible dress A dress formed of two sheets of material joined in a back to back relationship. Each sheet has a differential design or color combination and is joinable at one side edge and the top which allows several styles to be attained for the dress. A series of si... | 08/18/1987 |
| 4686715 | Patient gown A hospital or patient gown includes two identical segments having front and back panels, a sleeve opening and a neck opening, with the front and back panels of each segment being connected along one side and disconnected along the opposite side. Each segm... | 08/18/1987 |
| 4686716 | Necktie holder A necktie holder of the type adapted to join between a wearer's shirt button and the necktie, and which will tightly embrace the button threads and loosely embrace the narrow end of the necktie. A clip having strong movable jaws forms part of the necktie ... | 08/18/1987 |
| 4686717 | Pool cover extending and retracting device A device for extending and retracting a pool cover, for covering and uncovering a pool. A mechanism for coupling and uncoupling cover driving and driven sections includes a floppy clutch mechanism including a floppy clutch arm, pivotally mounted and opera... | 08/18/1987 |
| 4686718 | Method and apparatus for automatically maintaining a predetermined desired level of water in a swimming pool, and the like An improved method and apparatus for automatically monitoring the level of water in a swimming pool, or the like, by monitoring the level of a float within a float chamber supported by water siphoned from the pool system, for detecting when the level of w... | 08/18/1987 |
| 4686719 | Semi-rigid air pallet type patient mover An air pallet type patient mover, formed principally by top, intermediate and bottom thin flexible sheets sealed together about their edges and defining a plenum chamber between the intermediate and bottom sheets and a backing member cavity between the to... | 08/18/1987 |
| 4686720 | Covered hammock A covered hammock includes an upper fabric cover, comprised of an upper nonwoven fabric connected to a lower woven fabric border-supported by means of a, collapsible pole that is secured to the outside of said cover and is shaped in the form of a rounded ... | 08/18/1987 |
| 4686721 | Waterbed A waterbed is disclosed in which a waterbed mattress comprising a fluid-filled envelope is supported on a bed bottom within a recess formed by an upholstered, peripheral frame. A mattress mat has a top portion extending over the mattress with edge portion... | 08/18/1987 |
| 4686722 | Articulated bed with cellular air cushion mattress Individual groups of inflatable cushions forming an air mattress are supplied with pressurizing air through a common feed duct having an upstream on/off valve and individual on/off valves in branch ducts leading to individual groups of cushions. When the ... | 08/18/1987 |
| 4686723 | Semi-fluidized bed A bed is disclosed, comprising a base having a floor and an upstanding wall extending aroung the periphery of the floor. A body of particulate fluidizable material is contained within the base. The floor has an elongate slit connectable to an air supply a... | 08/18/1987 |
| 4686724 | Support pad for nonambulatory persons An open cell foam pad is ripple-cut to create a convoluted face of hills and valleys. A plurality of air-flow channels are cut through the pad in each valley formed. The channels with plugs therein provide the user of the pad with the ability to direct ai... | 08/18/1987 |
| 4686725 | Mattress cushion with securement feature A mattress supplement comprised of resilient material is substantially covered with support projections except for at least one marginal edge thereof. The marginal edge is adapted to compressively receive a sheet fitted thereto. The compression of the mar... | 08/18/1987 |
| 4686726 | Waterbed sheet and insert means therefor A waterbed mattress sheet an insert, combination having waterbed sheet flaps defining pockets into which resilient, sheet-anchoring inserts can be placed, serving to secure the sheet over the waterbed mattress since the inserts conform in shape to the sid... | 08/18/1987 |
| 4686727 | Convenience bar assembly for hospital bed A convenience bar assembly for a hospital bed includes a generally U-shaped member including two arms adapted for generally vertical orientation and a horizontal cross-member connecting the arms. The lowermost ends of the arms of the U-shaped member are a... | 08/18/1987 |
| 4686728 | Automatic swimming pool cleaner A pool cleaner for brushing the sides of a pool and vacuuming the debris therein which attaches to the existing pool pump negating the need for an auxiliary pump. The device employs an expanding air chamber that expands and contracts to control the buoyan... | 08/18/1987 |
| 4686729 | Washing brush with water supply and rotating bristles especially for motor vehicles In a body in the form of a half-shell with a tubular handle, there is housed in a revolving manner a support plate for rotating bristles around which are placed fixed bristles. The support plate is surrounded by a ring gear which engages with a gear of sm... | 08/18/1987 |
| 4686730 | Semi-automatic armature assembly slot cleaner An apparatus for cleaning the slots of newly assembled armatures of chips and burrs. The apparatus includes centrally or radially mounted cylinder means and a plurality of radially aligned blades, with suitable linkage means connected threrebetween for mo... | 08/18/1987 |
| 4686731 | Fabric currycomb A fabric currycomb or fuzz comb comprises a substantially flat handle base plate having a plurality of straight edges and a plurality of abrasive net strips of different abrasive capabilities supported on the straight edges, respectively, and having a mul... | 08/18/1987 |
| 4686732 | Waste line cleanout apparatus A feed control device for use in conjunction with plumbing tools of the type used for cleaning and removing obstructions from waste lines in which an elongated coiled spring wire, or plumber's snake, is advanced through the pipe and rotated. The feed cont... | 08/18/1987 |
| 4686733 | Retractable type wiper apparatus A retractable wiper apparatus is disclosed in which two cam members are mounted about a drive shaft, the cam members serving to retain a detent in a locked position during rotation of the drive shaft in the forward direction and during the wiping operatio... | 08/18/1987 |
| 4686734 | Spill inhibiting dust pan A dust pan form and design that permits the user to clean-up more effectively dust or debris from a surface. The dust pan has the particular feature of having an element that is flexible and transparent so as to conform to the surface being cleaned while ... | 08/18/1987 |
| 4686735 | Modular carpet cleaning apparatus A carpet cleaning apparatus is provided with a modular construction. A tank module is made up of a vacuum separation tank and a cleaning solution tank, both of which form a uniform cross section. Located at one end of the tank module is a mounting plate w... | 08/18/1987 |
| 4686736 | Vacuum cleaner A vacuum cleaner having the combined features of a canister and upright type vacuum cleaner with the canister mounted for tilting movement on a housing of a floor or nozzle unit which contains a rotatably mounted brush. A single motor is used to power a f... | 08/18/1987 |
| 4686737 | Desoldering tip assembly A hand held, spring actuated, vacuum desoldering implement is disclosed having a tubular body and a forward end cap portion thereof. The end cap has a central bore for removeably retaining a small, tubular Teflon nozzle element. The rear end of the nozzle... | 08/18/1987 |
| 4686738 | Cable lead-in device A cable lead-in device comprises a nipple (1) which has a thread (3) to be secured in the casing (2) of an apparatus, a grip portion (4) and a through bore (5) for a cable. The nipple has a clamping portion comprising a thread (8) and a number of longitud... | 08/18/1987 |
| 4686739 | Door closer A door closer the closing force of which can be adjusted is provided with a device for indicating the selected closing force. The device used to indicate the prevailing closing force is actuated in dependence on the adjustment of the spring which determin... | 08/18/1987 |
| 4686740 | Stopper for door A stopper which has a rod projected from the lower end opening in a hollow body to be slidable in upward and downward directions and mounted to be urged by the lifting force of a spring, a pedal attached to the rod, and an actuator formed symmetrically wi... | 08/18/1987 |
| 4686741 | Padded automotive casket handle An automotive casket handle includes a generally U-shaped frame, pivotally mounted to a support surface, and inside and outside cushion members secured to recesses in the frame. Each cushion member includes a structural strip, typically of steel, a cover,... | 08/18/1987 |
| 4686742 | Auxiliary handle for a door An auxiliary handle for a door comprising a bracket which is secured to the door adjacent the hinge connection thereof. A handle member is pivotally secured to the bracket and may be moved from an inoperative vertically disposed position to an operative h... | 08/18/1987 |
| 4686743 | Hinge incorporating leaf pads and tabs of uniform thickness A light duty hinge is formed by a pair of hinge leaves from which include interfitting tabs, the leaf pads and tabs being of uniform thickness. Holes provided in the tabs afford, when the tabs are interfitted, axially aligned openings for receiving the hi... | 08/18/1987 |
| 4686744 | Methods for aeromechanical and electrodynamic release and separation of foreign matter from fiber Apparatus and methods for controlled application of aeromechanical and electrodynamic release and separation forces to foreign particulate matter in fiber materials are disclosed. A number of elements are employed in various combinations. One important el... | 08/18/1987 |
| 4686745 | Coupler and protector device for two remote control units A coupler and protector device for two remote control units is provided and consists of a pair of elastic straps which will hold the two remote control units together in a back to back relationship so that a person can use both units at the same time. The... | 08/18/1987 |
| 4686746 | Chain separator means A device for separating at least two neck chains, each having at least one fixed ring thereon, comprising: a chain separator means including a pair of elongated members and a biasing means urging said elongated members in close substantially parallel rela... | 08/18/1987 |
| 4686747 | Worm drive clips A worm drive clip comprises a housing having a driving worm screw inserted therein, with the housing comprising an upper part and a bottom part for enclosing the worm screw and a flexible band with transverse ribs and transverse openings inserted in the h... | 08/18/1987 |
| 4686748 | Attachment device A clamp to attach to a flexible sheet. The clamp has a first member with sides narrowing longitudinally to a first end and inclining upwardly inwardly. The first member can receive an attachment. A second member comprises a main body formed with a recess ... | 08/18/1987 |
| 4686749 | Capped eyelet for attaching snap fastener A capped eyelet, for attachment of a snap fastener member to a garment fabric, comprises an eyelet body including a shank with a flange, a cap covering over the flange and secured to a periphery thereof, and at least one punched buffer wing projecting fro... | 08/18/1987 |
