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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 4082265 | Bicycle support system A bicycle or other cycle-type vehicle support system for maintaining the bicycle in a generally upright position on a training device or the like while still permitting some movement and leaning of the bicycle to simulate normal riding conditions. The sup... | 04/04/1978 |
| 4080824 | Test specimen grip assembly A test specimen grip assembly for holding a metallurgical test specimen in a test apparatus operative to apply tensile force to the specimen. The grip assembly includes plural tapered inserts which apply to the specimen a radial wedge gripping force that ... | 03/28/1978 |
| 4080849 | Precision heavy duty indexer A precision heavy duty indexer characterized in that the indexing member thereof is positively locked to the indexer housing in desired precise axial, radial and angular indexed position by interengaged gear means of said indexing member and said housing,... | 03/28/1978 |
| 4080024 | Underground cable connection An electrical connection for all of the exposed concentric neutrals of underground direct burial power cables made from a kit including a soft, completely tin-coated, L-shaped copper sleeve wrapped about the cable, the short leg of the L forming a project... | 03/21/1978 |
| 4077493 | Grease gun A grease gun characterized in that a dispensing head assembly having a lever-operated piston pump is screwed onto the head end of a grease-containing cylinder and in that a spring-biased plunger and rod assembly inserted into said cylinder from the head e... | 03/07/1978 |
| 4077082 | Roller cover support for paint roller frame Roller cover support consists of blow molded sleeve having plural protruding ribs to frictionally retain the roller cover in place. The ends of the sleeve are molded to receive and mount end caps thereon which include suitable bearings for the roller fram... | 03/07/1978 |
| 4077494 | Grease gun A grease gun of the type wherein a dispensing head assembly having a lever-operated piston pump is screwed onto the head end of a grease-containing cylinder and wherein a spring-biased plunger and rod assembly in said cylinder is operative to feed grease ... | 03/07/1978 |
| 4076724 | Polycyclic macrocyclic compounds Novel polycyclic macrocyclic compounds having four tertiary nitrogen bridgehead atoms and six bridging chains, each of which have not more than twelve directly connecting atoms between each pair of bridgehead nitrogens, said bridging chains being hydrocar... | 02/28/1978 |
| 4072165 | Poppet relief valve A poppet type relief valve includes a poppet and associated seat with the poppet being mounted in an actuator which is connected to the poppet by a lost-motion connection. The poppet is spring loaded with respect to the actuator, and the actuator is also ... | 02/07/1978 |
| 4072303 | Spring clamp for paper logs A spring clamp for holding a paper log (rolled up newspapers) while twisting tie wires around the end portions thereof. The clamp comprises a pair of spring-actuated curved jaws which have a laterally flexible cord across the free ends of the jaws to embr... | 02/07/1978 |
| 4070946 | Fluid actuator The actuator piston has a generally cylindrical central projection about the exterior of which a similarly formed rolling diaphragm is closely fitted. The piston rod can turn freely, to avoid any twisting of the piston and diaphragm, and can also be axial... | 01/31/1978 |
| 4070859 | Thermal fluid displacement actuator An electro-thermal fluid displacement actuator includes a fixed volume boiler chamber and a variable volume actuation chamber formed by a ported partition being received in the main body of the actuator between a positive temperature coefficient heat sour... | 01/31/1978 |
| 4068989 | Tire curing press A tire curing press which includes a center mechanism projecting from the bottom mold section, such center mechanism including a top movable clamping plate supporting the open upper end of a shaping bladder, and a chuck in the top mold section interfittin... | 01/17/1978 |
| 4067382 | Heat reclaim system A heat reclaim system for reclaiming waste heat from a material processing line by bleeding a portion of the heated air from one or more points on the material heat processing line and directing such heated air through an economizer containing a bank of s... | 01/10/1978 |
| 4067539 | Gas valve A gas valve has a thermally responsive actuator and an electric heater for heating the actuator normally to produce a displacement output that moves a constrained spring to an over-center position in order to snap open the valve poppet. Portions of the ac... | 01/10/1978 |
| 4066109 | Pencil sharpener with replaceable blades A hand-held pencil sharpener is disclosed which utilizes a common double-edged safety razor blade that may be easily removed and replaced when worn. The pencil sharpener has spaced, generally parallel tapered bores of varying sizes selectively to guide pe... | 01/03/1978 |
| 4064913 | Flexible reinforced hose and method of making the same A flexible reinforced hose comprising nylon tubing to which a reinforcement (braid or spiral wrapping) of a synthetic or natural fiber is bonded, said tubing having an outer surface plasticized with meta-cresol to which said reinforcement is applied. Prio... | 12/27/1977 |
| 4064788 | Cushioning means for hydraulic cylinder Cushioning means for cushioning the end portion of the stroke of a piston in a cylinder comprising a stepped cushioning member or spear which enters a cylinder head bore to form therewith an annular orifice which successively decreases in area and gradual... | 12/27/1977 |
| 4065094 | Hydraulic actuator A hydraulic actuator for a gate or like valve such as the main steam isolation valve in an electric power plant characterized in that the actuator is a compact self-contained unit secured to the valve housing and comprises a hydraulic cylinder having its ... | 12/27/1977 |
| 4062675 | Ore treatment involving a halo-metallization process A pyrometallurgical process for the treatment of ores, particularly lateritic nickel ores containing nickel oxide and/or nickel silicate, employing halide and metallic iron, and optionally carbon, for extraction of the metal in concentrate form easily rec... | 12/13/1977 |
| 4055813 | Single adjustment multiple function calibration circuit A single adjustable control is commonly connected with each of a plurality of feedback channels, which are selectively coupled in an amplifier circuit to provide the latter with different basic gains, to adjust the respective basic gains of the amplifier ... | 10/25/1977 |
| 4055631 | Production of iron sulfate monohydrate A process for the production of high purity iron sulfate monohydrate from an iron sulfide mineral feed involving a leaching, purification, crystallization and dehydration procedure to recover a solution of iron sulfate containing iron sulfate polyhydrates... | 10/25/1977 |
| 4055839 | Foaling alarm A foaling alarm adapted to be positioned around the withers and belly of a mare just behind the forearms and having, in the region of the withers, an RF transmitter, and a position sensing switch which energizes the transmitter when the mare lies down on ... | 10/25/1977 |
| 4054769 | Microwave oven interlock switch safety A protector switch is added in the power supply to open on failure of the door interlock switch to open when the oven door is opened. The monitor switch that closes as the door opens, after the door switch should open, will if the latter does not occur cr... | 10/18/1977 |
| 4053167 | Seal for ball bearing screws and the like A seal for a ball bearing score and the like comprising a ring of elastomeric material axially and angularly fixed to the nut so that an internal projection from the bore of the ring makes sliding sealed engagement with a line or a circumferentially narro... | 10/11/1977 |
| 4053136 | Control circuit and adjustable valve for a gas appliance A control circuit for a gas appliance includes ignition and hold circuits, the former providing for series energization of the heater of a thermal fuel valve and an electric igniter positioned proximate the appliance burner port area for ignition of the g... | 10/11/1977 |
| 4053811 | Fluorescent lamp simulator A non-light emitting insert for a fluorescent lighting fixture is used in place of a fluorescent lamp to complete a plural lamp ballast circuit so that the ballast is effective to illuminate properly any remaining fluorescent lamp coupled therein. The ins... | 10/11/1977 |
| 4051740 | Segmental V belt A segmental V belt consists of a plurality of body segments selectively joined to form an endless belt of any desired length. Such body segments, which can have sidewall perforations or formations to increase wear life, may be joined by connecting the exp... | 10/04/1977 |
| 4052117 | Integrated circuit socket A socket for dual in line package integrated circuits has a high retention force for a correspondingly low insertion force. Each of a plurality of contacts in a dielectric housing bends relatively easily as a lead of such package is inserted and as such i... | 10/04/1977 |
| 4050737 | Support harness A support harness for a child who, due to brain damage or disease, lacks trunk or head control sufficient to achieve or maintain a normal sitting position, said support harness being characterized in that it comprises two layers of a fabric which combines... | 09/27/1977 |
| 4050286 | Swaging apparatus A swaging apparatus in which a pusher member pushes a hose coupling sleeve having a hose end portion therewithin downwardly into a die cavity of a closed die defined by mating segmental die members in a retainer to radially deform said sleeve into grippin... | 09/27/1977 |
| 4047716 | Peg game with spinner-type timer A game includes a plurality of pegs to be removed from a board by a player in a timed play duration determined by a timer set in motion by the player. The timer mounted on the game board includes a rod and a disc positioned thereabout so that a player can... | 09/13/1977 |
| 4047829 | Adjustable floating reamer An adjustable floating reamer characterized by its relatively great length and small diameter embodying a closure cap for the diametrically slotted end of a shank member which has a long and thin tubular portion which closely embraces and supports the slo... | 09/13/1977 |
| 4047764 | Composite motorcycle wheel construction A lightweight composite motorcycle wheel construction characterized in that it comprises a wheel unit casting including concentric outer and inner rim and sleeve portions integrally connected together by angularly spaced spokes; and a hub unit casting hav... | 09/13/1977 |
| 4044348 | Circuit energization indicator with thermal timing means to maintain the indication for a predetermined time after de-energization A thermal timer produces a timed duration output in response to a thermal input to a thermal storage device and a thermal energy leakage parameter from that storage device. The storage device preferably is a metal slug positioned in a silica aerogel insul... | 08/23/1977 |
| 4043369 | Edge deformable lock nut A lock nut, which is relatively free running as it is screwed onto a male threaded member, provides a two-way locking action as it is tightened to abutment with a confronting load bearing surface, with the result that a breakaway torque that is a high per... | 08/23/1977 |
| 4043893 | Electrical contact An improved aluminum electrode hanger contact and method of making the same, which includes a longitudinal hole drilled in the end of the hanger. In one embodiment, a slot or slots are cut in such bar into the hole. Tin-coated copper inserts are inserted ... | 08/23/1977 |
| 4041555 | Marine holding tank A marine holding tank receives an excrement and water charge from a toilet and converts such charge into vapor and ash components for efficient and hygienic storage and/or removal. The holding tank is provided both with a rotary mixer to form a liquid-sol... | 08/16/1977 |
| 4040196 | Rifle A single-shot rifle having a receiver with a lever-activated falling block action characterized in that the breech-block carries the firing pin, the hammer, the hammer spring retainer, the toggle link which is linked to the lever, and the trigger whereby ... | 08/09/1977 |
| 4039275 | Infrared energy generator with orifice plate An infrared energy generator, which is capable of effective operation when provided with fuel from a relatively low pressure supply, such as from a relatively mobile liquid propane tank, to radiate infrared energy over a relatively large output area, has ... | 08/02/1977 |
