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| Number | Title | Issue Date |
| 4358905 | Power dozer This invention is directed to a unique method of moving earth and an earth moving device which can be attached at the front end of an endless track vehicle and used for moving earth into a ditch or excavation. The apparatus for moving earth comprises: (a)... | 11/16/1982 |
| 4335383 | Method and apparatus for digitally determining the speed of a target vehicle while the radar platform vehicle is in motion A moving doppler radar unit capable of separating the incoming doppler signal into its respective frequency components by means of frequency translation techniques and fixed frequency filters is disclosed. When the radar platform vehicle and target vehicl... | 06/15/1982 |
| 4333688 | Mounting arrangement for dual wheels In a dual wheel arrangement for vehicles, a hub adapter serves to mount a second wheel beside the first wheel. Combination nut and bolt elements are threaded onto the lug bolts for the first wheel. The hub adapter is received on projecting bolt portions o... | 06/08/1982 |
| 4328962 | Mail sorting machine The envelope feeder apparatus of the present invention is suitable for use with conventional mail sorting machines. The envelope feeder apparatus is capable of receiving a supply of envelopes on a feeder magazine which is incorporated into the body of the... | 05/11/1982 |
| 4329068 | Mixing machine A mixing machine for tumbling a rack which carries a plurality of volumetric glassware tubes containing chemical solutions. The machine includes a stand which rotatively supports a tumbler box adapted to closely receive the rack. The tumbler box includes ... | 05/11/1982 |
| 4326431 | Variable-speed transmission device with positive action This invention deals with a variable-speed transmission device which provides a positive or mechanical connection between its drive and driven shafts. The transmission device of the present invention is comprised of a drive wheel and a driven wheel which ... | 04/27/1982 |
| 4327258 | Method and apparatus for rapid evaluation of parameters affecting voiceband data transmission An apparatus for measuring phase and amplitude jitter and simultaneously and audibly counting and monitoring transient excursions of two linear bar-chart type readouts calibrated in degrees and modulation percents and which are capable of displaying jitte... | 04/27/1982 |
| 4325506 | Reinforcing arrangement for improving the strength and durability of a firearm holster This invention relates to a reinforcing arrangement for strengthening the back seam and outer face of a holster for guns or like items. The reinforcing arrangement of the present invention is comprised of a reinforcing piece which is attached to the inner... | 04/20/1982 |
| 4324206 | Panel mounting arrangement for squeeze chutes A mounting arrangement for retaining removable side panels on the opposite sides of a livestock squeeze chute. The sides of the squeeze chute have front and back pairs of bracket plates for receiving the front and back edges of the side panels. As the pan... | 04/13/1982 |
| 4323046 | Dual fuel system for automobiles For an automobile with a gasoline fuel system wherein fuel is delivered by a fuel pump from the gas tank to a carburetor and on to the engine through an intake manifold, a substitute non-petroleum fuel system including a storage tank from which liquid fue... | 04/06/1982 |
| 4323742 | High pressure differential switch device A switch which is actuated when a preselected fluid pressure differential is exceeded. A piston exposed to the pressure differential carries a plunger which contacts a lever arm mounted on a shaft. A spring normally prevents the shaft from turning but is ... | 04/06/1982 |
| 4321555 | Universal frequency synthesizer This invention relates in general to a universal frequency synthesizer which is suitable for use in a phase-locked loop frequency synthesizer system comprising a voltage controlled oscillator, a reference oscillator and a low pass filter. The universal fr... | 03/23/1982 |
| 4319933 | Bridge and die attachment for cutting torches An accessory for facilitating the accurate cutting of holes with a cutting torch. A die is attached to the workpiece by legs and presents a die opening which controls the size and shape of the hole. A bridge piece fits against the die and maintains the cu... | 03/16/1982 |
| 4319643 | Front folding agricultural tool bar with movable carriage to which wings coupled An agricultural tool bar having a main beam and a pair of tool supporting side wings which fold forwardly from an extended operating position to a folded transport position. The inner ends of the wings are attached to hinges which are pivoted to a carriag... | 03/16/1982 |
| 4319641 | Rock picker A rock picker of the floating rotating reel type has the following features: (1) An intermediate pinion is provided for the drive of the reel at the pivot point for the reel assembly. This enables the reel to pivot to clear obstacles without per se changi... | 03/16/1982 |
| 4315739 | Spring tensioning device and method The present invention encompasses a novel spring construction and a method of application of the spring in the field of orthodontics. A tension spring member is at least partially surrounded by a tension releasable component of larger diameter. The tensio... | 02/16/1982 |
| 4312297 | Feeder attachment for grain wagons A feed trough attachment for converting a grain wagon into a portable cattle feeder. The trough is equipped with a pair of mounting arms which are bolted to the frame of the grain wagon to mount the trough below the gravity discharge outlet opening of the... | 01/26/1982 |
| 4312475 | Flow adjustment mechanism for air distributor systems An adjustment mechanism for adjusting the maximum flow rate of conditioned air in an air distribution system controlled by a pneumatic control circuit. An air bladder controls the distribution of air, and the pressure is bled from the bladder under the co... | 01/26/1982 |
| 4312465 | Handlebar mounted can holding device A device which attaches to a motorcycle or bicycle handlebar to hold a beverage can. The device has a hollow body which is clamped to the handlebar and a hinged lid which engages the top of the beverage can to maintain it in place in the body. The lid can... | 01/26/1982 |
| 4310997 | Two point hitch construction A two point hitch for a mowing implement towed by a two point hitch tractor. The hitch structure includes a pair of upstanding plates which are pivotally pinned to the hitch arms of the tractor. A pair of support arms projecting from the implement underli... | 01/19/1982 |
| 4309594 | Modular infrared space heater device A modular infrared heating device having an outer casing which encloses a heating chamber wherein one or more infrared lamps are vertically positioned. The heating device also includes an intake channel which communicates with an opening in the outer casi... | 01/05/1982 |
| 4309593 | Electric heater which reduces the chance of electrical shock An electric heater construction which significantly reduced the possibility of electrical shock to a user thereof. This electric heater includes an outer casing with an open front, a protective grille mounted over the open front of the outer casing, a ref... | 01/05/1982 |
| 4308851 | Bowstring draw and trigger release apparatus A device for use in drawing the bowstring of an archery bow and triggering release of the bowstring. A hollow body which fits in the hand carries a pivotal holding member which is held by a pivotal linkage bar in a cocked position wherein the bowstring ca... | 01/05/1982 |
| 4304704 | Thermal insulating material A thermal insulating material which includes silicone coated perlite providing thermal insulation, powdered perlite to fill in the gaps between the silicone coated perlite particle, and a specially formulated binder for the perlite. The binder has a powde... | 12/08/1981 |
| 4304492 | Method and apparatus for detecting leaks in filter bags of a baghouse A method and apparatus for use in an outside collection baghouse to identify defective filter bags. Each filter bag is equipped with a sensing head adjacent the open mouth of the bag. Each sensing head includes a pair of optical fibers having free ends di... | 12/08/1981 |
| 4303380 | Tire repair device A tire repair device which vulcanizes an uncured rubber repair plug built in a damaged area of the tire. The frame of the device is in the form of a C-clamp having a heated backing plate which opposes a heated pressure pad. The pad is carried in a cylinde... | 12/01/1981 |
| 4301183 | Method and apparatus for degerminating a grain kernel by impelling the kernels along a guide vane into an impact surface A method and apparatus for utilizing a horizontal disc having a plurality of guide vanes extending in a curvilinear path with each vane terminating in an end portion that is substantially parallel to a tangent to the disc. A plurality of impact surfaces a... | 11/17/1981 |
| 4300532 | Method and apparatus for collecting solar energy A method and device for collecting solar energy is the subject of this application. A glass cloth coated with a light absorbing resinous material is utilized as the collector panel. A glass cloth coated with a translucent resinous material is the preferre... | 11/17/1981 |
| 4298301 | Bale handling apparatus The invention related to an apparatus for lifting, handling, transporting and unrolling large round hay bales. Preferably said apparatus is employed on the bed of a pickup or truck and includes a frame mounted on the pickup bed with a beam pivotally mount... | 11/03/1981 |
| 4296787 | Connection device for golf club head covers An elongate flexible cord cooperates with a plurality of coil springs to interconnect golf club head covers. The cord is passed through eyelets attached to the head covers. The coil springs are sleeved over the cord and extend between adjacent eyelets to ... | 10/27/1981 |
| 4292913 | Boat rub rail A rub rail assembly for a vehicle such as a boat is the subject of the present invention. An extrusion presents a channel that receives a resilient bumper strip. The bumper strip is designed so that deformation of it in an inwardly direction will actually... | 10/06/1981 |
| 4291465 | Caliper rule device having extended measurement range A caliper rule device capable of measuring the inside and outside dimensions of objects which vary widely in size. A block and an elongate bar are attached to a scaled rule and to a slide member on the rule. The block has a pair of openings for alternatel... | 09/29/1981 |
| 4290584 | Pole mounted winch A portable winch includes a base plate which is adapted to be quickly and easily coupled with and uncoupled from a bracket attached to a utility pole. The base plate hangs on the bracket and requires no tools or clamps to maintain the connection. The base... | 09/22/1981 |
| 4290423 | Paraplegic stand having a lift mechanism A stand device which includes a lift mechanism for raising paraplegic patients from a wheelchair to a standing position. The stand is mounted on caster wheels and includes a platform on which the feet of the patient are received. The lift mechanism includ... | 09/22/1981 |
| 4289259 | Automatic ladler Automatic ladle systems adapted for use in metal die casting operations are disclosed herein. In a preferred form the invention comprises a rigid, supporting base on which a control platform is rotatably mounted for radially moving a ladle between a metal... | 09/15/1981 |
| 4289215 | Detachable step The present invention relates to a new and improved detachable step for a sawhorse or the like, which can be easily assembled and disassembled without the use of tools. The detachable step is supported between a pair of side rails. A pin may be used to se... | 09/15/1981 |
| 4287742 | Machine for forming curved conduits A machine which forms pipe elbows and other curved conduits by spirally winding a thin strip of sheet metal. The machine includes spaced apart cutting rollers which are reciprocated toward and away from one another by cams in order to cut the strip into a... | 09/08/1981 |
| 4286463 | Air sock An air sock for indicating wind speed as well as direction is the subject of the present invention. A fabric type sock member is mounted on an upright standard for pivotal movement about its longitudinal axis. A spring is provided for existing pivotal mov... | 09/01/1981 |
| 4287428 | Automatic spring powered battery charging device A battery charging device which is driven by a torsional spring. A gear train driven by the spring is coupled with a wheel having peripheral teeth. A control lever is reciprocated pivotally by a small spring to engage the teeth of the wheel in a manner to... | 09/01/1981 |
| 4285539 | Retractable tonneau top This invention deals with a retractable tonneau top which is suitable for use on the open-bed of a truck, trailer or wagon. This tonneau top comprises a piece of covering material which is carried by a stationary bow structure, a movable bow structure and... | 08/25/1981 |
