Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 5303625 | Layer piercing paper punch A layer piercing paper punch is disclosed, in which a plurality of cutting hole plates is provided on a base between the location of a cutting hole and an upper cutter bar for perforation. Each of the cutting hole plates has a sharp-pointed portion on the... | 04/19/1994 |
| 5297463 | Adjustable fence for compound miter saw An improved adjustable workpiece-supporting fence assembly for a compound miter saw, or other work-performing device, includes a fixed fence portion fixedly interconnected with the base of the device, with the fixed fence portion being disposed on one sid... | 03/29/1994 |
| 5297345 | Slicing knife with non-stick blade A slicing knife comprises a handle and a blade extending from one end of the handle where the blade is generally rectangular in shape and has opposed edges honed to a knife edge. Formed into the thickness dimension of the blade are a plurality of zones of... | 03/29/1994 |
| 5293690 | Locking device for folding knife, tool, etc. In a folding knife or hand tool having a handle and a blade pivotally connected to the handle, a spring loaded crossbolt 1 is fitted to the blade tang. One end of crossbolt 1 protrudes through an arcuate slot in the handle, crossbolt slot 32. A locking co... | 03/15/1994 |
| 5282405 | Drum punching shears A rotating cropping and sampling shear for rapidly running rolling stock, particularly for wire and/or bar steel is disclosed. The shear has a blade support rotatable in a shear housing and is constructed in a hollow-cylindrical manner. The shear has a ri... | 02/01/1994 |
| 5280857 | Fluidized impact mill A comminuting device for breaking-up charge bodies of frangible material to free their value content and to reduce it to a desired size employs an upright enclosure into which charge bodies are fed so as to minimize in-air flow and to provide a steady str... | 01/25/1994 |
| 5281056 | Indexing nose couple An indexing coupling for a drill includes a hollow inner race, a hollow outer race, and a sleeve member. The hollow inner race and hollow outer race are affixed to one another by a plurality of ball members which are positioned by a plurality of detents i... | 01/25/1994 |
| 5277259 | Hammer drill with hammer drive action coupling A power tool has a tool spindle, a hammer unit, a drive including a motor having a motor driven shaft, a motion conversion gear for generating reciprocating piston movement, and a disengageable coupling located between the motor and the motion conversion ... | 01/11/1994 |
| 5275074 | Miter slider A device for slidably positioning a power tool accessory. The geometry of the device is that of a specially modified channel with the interior opposed surfaces of the two legs of the channel being sloped like a truncated wedge. Sections of the sides of th... | 01/04/1994 |
| 5275077 | Method of forming perforated cut line by cutting plotter A method of forming a perforated cut line using a cutting plotter capable of accurately and rapidly forming a sheet with a perforated cut line along a cut line which is predetermined on a sheet and along which the sheet is to be cut. A cutter pressure at ... | 01/04/1994 |
| 5272811 | Hydraulically controlled self-contained multifunctional tool such as shears/separator A hydraulically controlled self-contained multi-functional hand tool including a hydraulic ram portion with a rod that activates two blades or arms. The blades articulate about a common pin and are mounted on a fork joint which is securely fixed to the bo... | 12/28/1993 |
| 5271543 | Surgical anastomosis stapling instrument with flexible support shaft and anvil adjusting mechanism A surgical stapling instrument for performing a circular anastomosis stapling operation is provided. The surgical instrument includes a stapling head assembly mounted by a flexible support shaft to an actuator handle assembly. The support shaft is capable... | 12/21/1993 |
| 5271302 | Method and means for cutting a web For the cutting of a web a circular cutter is journaled rotatably in a slide which is moved along the cutting line by means of a linear drive. The cutter has a disk-shaped base body journaled freely rotatable which upon its perimeter is provided with poin... | 12/21/1993 |
| 5271304 | Automatic food slicing machine A conveying system for an automatic food slicing machine is disclosed. The conveying system has a floating upper conveyor positioned above a lower conveyor. The conveyors cooperatively feed the food item to be sliced an incremental length into the slicing... | 12/21/1993 |
| 5269451 | Electric stapler with unmovably fixed magazine An Electric stapler of the type in which a magazine is unmovably fixed, characterized in that the magazine is secured to a body frame; a driver for driving out a staple is supported by the magazine so that the driver can be rectilinearly reciprocated; a c... | 12/14/1993 |
| 5269213 | Punch apparatus Punch apparatus develops momentum of a desired magnitude. The momentum is transferred to a punch for driving the punch from a reset position to a punch position.... | 12/14/1993 |
| 5265507 | Process for producing pellets A process is provided for producing pellets which comprises introducing strands between two upper and lower feed rolls using a belt conveyor slanted downwardly in the direction of travel with a press roll mounted thereon, then introducing the strands to a... | 11/30/1993 |
| 5263254 | Garden shears In garden shears the locking device which holds the shear grips in closed position against the force of an opening spring is developed as a slide grip which lies free both on the top and on the bottom of the one hand grip so that this slide can be actuate... | 11/23/1993 |
| 5263653 | Twin-flow beater mill for preparing fibrous materials The invention relates to a twin-flow beater mill for preparing fibrous materials to produce intermediate products capable of further processing. It consists of a rotor fitted with beater plates surrounded by a cylindrical grinding surface. The rotor inclu... | 11/23/1993 |
| 5261303 | Rod cutter A base carries a tool head having two bore containing members that are relatively rotatable with respect to each other on a common axis of rotation. The bore portions contained in the two members are offset from the common axis of rotation by no more than... | 11/16/1993 |
| 5259284 | Carpenter's saw A carpenter's saw designed for use in beveling the ends or edges to form a miter joint is disclosed. The saw comprises mainly a saw base and a saw support. The saw base includes a horizontal base face having a fan-shaped portion disposed at the center the... | 11/09/1993 |
| 5257569 | Apparatus for manufacture of vehicle wheels Apparatus for forming the bolt openings and/or the center-pilot opening in a vehicle wheel that includes a circumferential array of locating jaws for engaging and locating the rim portion of the wheel. An upper die is reciprocable for forming at least one... | 11/02/1993 |
| 5257568 | Saw chain The invention is directed to a saw chain for a motor-driven chain saw equipped with a guide bar and a drive motor for imparting a force to the saw chain for moving the latter around the guide bar in a predetermined running direction. The saw chain include... | 11/02/1993 |
| 5257667 | Vibrating pile driver A first rotation driving mechanism including a hydraulic motor (26), a driving gear (27), and a driven gear (29) is provided between a coupling arm unit (12) attachable to the operational arm of a construction machine such as a hydraulic shovel, etc., and... | 11/02/1993 |
| 5255867 | Bale ripper and conveyor The present invention provides a bale ripper and conveyor which disintegrates round bales of forage material. The bales can be loaded into the device without regard to the direction in which they are wrapped. The present invention further comprises a cont... | 10/26/1993 |
| 5255585 | Vacuum system for cryostats A vacuum system for removal of debris in the form of shavings, particles, or the like has been developed for use inside of a cryostat to evacuate and collect such material as it is generated during specimen preparation using a microtome, also inside of th... | 10/26/1993 |
| 5255586 | Radial arm saw circle cutting apparatus A radial arm saw having a support table below the saw is arranged to receive a support sleeve directed through the support table, with the support sleeve adjustably mounting a positioning rod shaft therethrough orthogonally oriented relative to a top surf... | 10/26/1993 |
| 5255588 | Apparatus for making accurate cuts in thermoformed articles An apparatus for making accurate cuts in thermoformed articles projecting vertically above a generally planar sheet of thermoformable material includes a base plate having a lower surface, at least one pair of knives being mounted to the lower surface of ... | 10/26/1993 |
| 5255439 | Spaghetti tool A spaghetti tool has a shaft that has a grippable portion and a base portion, which is located at a first end the shaft and from which protruding elements extend. In one embodiment, the shaft forms a substantially semi-cylindrical channel into which uncoo... | 10/26/1993 |
| 5253420 | Razor head, especially razor blade unit of a wet razor A razor head, especially a razor blade unit of a wet razor, disposed at the front end of a handle. A single or double razor blade is yieldingly mounted in a plastic housing. To improve the spring or yielding mounting of the single or double razor blades, ... | 10/19/1993 |
| 5253558 | Hose cutting apparatus and system, and method for using same An apparatus and system for cutting hose includes structure which allows a portion of the hose that is proximate the trailing side of a cutting blade to be angularly displaced during cutting while a portion of the hose proximate the leading side of the cu... | 10/19/1993 |
| 5251832 | Transportable facility for recycling waste plastics A transportable facility for recycling waste plastics comprises at least one chipper, one storage hopper, and one extruder connected by constant-operation conveyors and integrated into components that are ready to either operate or move to another site. T... | 10/12/1993 |
| 5251831 | Roller mill Raw coal is caused to fall through a coal feed pipe and onto a table so as to be pulverized by a roll. Fine coal particles and coarse coal particles resulting from pulverization are moved upward between an auxiliary classifier cone and a mill casing by ho... | 10/12/1993 |
| 5251525 | Conversion kit for portable bandsaw An apparatus and a cradle for converting a portable bandsaw into an upright table saw. The saw includes a casing, a pair of spaced apart pulleys mounted in opposed housings on the casing for rotatably supporting an endless saw blade, and a trigger guard a... | 10/12/1993 |
| 5251524 | Convertible siding cutter A convertible siding cutter (10) for cutting vinyl or metal siding, comprises an upper knife assembly (26) pivoted to the front one of a plurality of lower knife assemblies (36, 46) mounted on a base (20). The blade (28) in the upper knife assembly (26) c... | 10/12/1993 |
| 5251379 | Paper cutter A paper cutter particularly one comprising a base, a cutter holder, a blade, a spring wire, an adjusting spring plate, an adjusting knob, an intermediate plate, and a top cover in which a notch is designed at a corner of the base for extension of a blade,... | 10/12/1993 |
| 5251706 | Ratchet drive tool with manual and non-manual power actuation A ratchet nut runner is energized either manually or by a non-manual power source such as a battery, on-line electrical power or a pneumatic supply. A tubular body or housing, which contains speed-reducing and power-amplifying structures, serves also as t... | 10/12/1993 |
| 5251801 | Surgical stapler A hand-held surgical stapler is provided having a reduced distal profile due to a unique feeding means. A combination of features allows the reduced distal profile. The staple storage cover can be of reduced distal thickness due to the slope effect. The s... | 10/12/1993 |
| 5249496 | Indexing detent override mechanism A motorized miter saw includes a base having a turntable mounted thereon for rotation about a vertical axis, a cutting unit having a mounting apparatus for securing the cutting unit on the turntable for movement to non-cutting and cutting positions relati... | 10/05/1993 |
| 5249485 | Bandsaw blade and method of manufacturing same A bandsaw blade comprises a plurality of cutting teeth spaced longitudinally apart by gullets. Each tooth includes a steel portion and a carbide tip brazed to a front face of the steel portion. The deepest point of the gullet lies on a curved section havi... | 10/05/1993 |
