In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 6370975 | Actuator and actuator system An actuator has a linearly elongate frame, side, end, and top covers detachably and selectively mounted on side surfaces of the frame, a table mechanism displaceable in the axial direction of the frame in response to energization of an electric motor, and... | 04/16/2002 |
| 6370976 | Gear shifting drum for a variable-speed gearbox A gear shifting drum (2) for a gear shifting device of variable-speed gearboxes for motor vehicles has a curved path (11a to 11c) for guiding an engagement member (13) of the gearshift fork (12a to 12c), wherein the gearshift fork (12a to 12c) is directly... | 04/16/2002 |
| 6370977 | Constant-mesh transmission for a vehicle A transmission for a vehicle including first and second rotating shafts which are rotatable by the torque transmitted through a clutch. Each shaft includes several transmission gears. A resisting member can be disposed between a gear and its corresponding... | 04/16/2002 |
| 6370978 | Apparatus for converting a rotary motion into an axial motion An apparatus for converting a rotary motion into an axial motion, is used as overload protection; the force transmitting elements of the conversion apparatus, in the form of a threaded spindle, a nut and/or the intervening planetary rollers and roller bod... | 04/16/2002 |
| 6370979 | Clutch gearing especially for a manual transmission In a coupling tooth formation, in particular in a gear box, either on a gear sleeve or on a gear wheel, the teeth are fitted to the base end of a cylindrical base (12) in relation to the rotational axis, elongate in axial direction and provided at their c... | 04/16/2002 |
| 6370980 | Motor vehicle gearbox A vehicle gearbox includes a basic gearbox with a main shaft that is an input shaft to a high-low range gearset joined to the basic gearbox. The basic gearbox has a control shaft, which, rotated in either direction from a neutral position, engages a selec... | 04/16/2002 |
| 6370981 | Gear indicator for a bicycle A gear indicator for use on a bicycle is provided remotely from the shift operating device. The gear indicator is coupled to a shift operating device via an indicator cable. The gear indicator basically includes a housing with an indicator member slidably... | 04/16/2002 |
| 6370982 | Device for fastening cable pull elements A device for fastening cable pull elements of cables, preferably for gear shift systems in motor vehicles. The device including fastening elements and the cable pull core. A fastenin rod with a cable pull core is arranged at a coupling element and a faste... | 04/16/2002 |
| 6370983 | Angle detecting device Disclosed is an angle detecting device which comprises a shaft fixedly attached on a frame; a detecting lever to be detected which is rotatably mounted on the shaft; an angle sensor having a rotating portion to be actuated to turn in engagement with the l... | 04/16/2002 |
| 6370984 | Fastening structure of a skidproof cover for automobile pedals An automobile pedal cover including a cover piece, a holding member, two locating rods, and two locating bolts. The holding member is adjustably joined with the cover piece in conjunction with the two locating rods and the two locating bolts, thereby enab... | 04/16/2002 |
| 6370985 | Extractor tool for pipe coupling An extractor tool for coupling fastened to pipes comprises an actuation device, a holding device, and a cable having one end secured to the holding device and the other end slidably secured to the actuation device. In use, engage the holding device with t... | 04/16/2002 |
| 6370986 | Impact cushioning tool handle A manually operable impact tool that includes an elongated rigid interior handle structure extending longitudinally with respect to the tool, an impact head disposed at one longitudinal end portion of the handle structure and an exterior impact cushioning... | 04/16/2002 |
| 6370987 | Apparatus and method for precisely controlling angular displacement of a socket Apparatus and methods for precision control of degree of socket rotation where desired degree of rotation exceeds about 360°. One embodiment of the apparatus includes a cam structure associable with an assembly for holding and driving the socket so that ... | 04/16/2002 |
| 6370988 | Ratcheting screwdriver with reversing cap having projecting pin A ratcheting driver handle has a ratchet body press-fitted axially in one end thereof, the body defining a socket which receives a gear for rotation coaxially with the handle. The socket also receives two pawls respectively disposed above and at opposite ... | 04/16/2002 |
| 6370989 | Adjustable wrench An adjustable wrench for driving a nut utilizes curved drive faces. The wrench is made up of three members. A first member has a jaw section, a mid section and a handle section. A second member has a jaw section and an attachment section for attaching to ... | 04/16/2002 |
| 6370990 | Handle structure for adjusting the arm of force of a tool A handle structure for a tool includes a handle body slidably secured on the shank of the tool for adjusting an arm of force of the shank of the tool. The handle structure also includes a retaining device mounted between the handle body and the shank of t... | 04/16/2002 |
| 6370991 | Pliers for use in narrow space Pliers for use in a narrow space, including: a pair of neck sections which are pivotally connected with each other by a shaft rod and can be opened and closed; a pair of jaw sections located on one end of the neck sections in the same direction to define ... | 04/16/2002 |
| 6370992 | Pliers for use in narrow space Pliers for use in a narrow space, including: a pair of neck sections which are pivotally connected with each other by a shaft rod and can be opened and closed; a pair of jaw sections located on one end of the neck sections in the same direction to define ... | 04/16/2002 |
| 6370993 | Spring loaded self actuating impact driver A self-contained impact driver includes an internal hammer, hammer spring and trigger. Pressing the driver against a fastener compresses the spring progressively until the end of the stroke, at which time the hammer is released by the trigger. The trigger... | 04/16/2002 |
| 6370994 | Clamping device for machine tools The invention provides a clamping device for machine tools capable of preventing the occurrence of impressions. In a clamping device for machine tools, a tailstock (movable carriage) is provided on a top face of a fixed bed and the tailstock is positioned... | 04/16/2002 |
| 6370995 | Holder including a hydraulic piston for the detachable assembly of cutting tools A holder for the detachable assembly of cutting tools includes a clamping mechanism, which has a piston axially movable by applying oil pressure on either of two opposite sides thereof. A projection of the piston includes a cone surface with a moderate co... | 04/16/2002 |
| 6370996 | Radial arm saw speed control cylinder This invention is primarily a device to help prevent inadvertent carriage travel while using a radial arm saw and to facilitate feed speed control of the saw carriage, allowing operators with limited experience to use the saw with greater confidence.... | 04/16/2002 |
| 6370997 | Transportable bench circular saw A transportable circular table saw having an exterior housing (1) with a tabletop (4) forming a workpiece support surface (3) that is irreversibly arranged in the exterior housing (1), and a saw unit (7) arranged underneath the tabletop (4) with a drive m... | 04/16/2002 |
| 6370998 | Rotating-drum flying shear Upper and lower rotating drums (13, 14) having shearing blades (13a, 14a) are supported by a bearing frame (12) via eccentric sleeves (15, 16). Only the upper rotating drum (13) is rotated by a drive motor 17, while the eccentric sleeves (15, 16) are rota... | 04/16/2002 |
| 6370999 | Strand-guiding arm for braiding machine A braiding-machine strand-guide arm has an outer end provided with a strand guide and an inner end formed as a pivot eye. The arm further has a body formed of spaced-apart outer layers of a hard material and a very low-density mass between the outer layer... | 04/16/2002 |
| 6371000 | Electromagnetic vehicle disabler system and method An electronic vehicle disabler system and method uses a current supply capable of delivering an electrical current to a fleeing or moving vehicle that inhibits self-propelled movement of the vehicle. The electrical current is delivered by establishing a m... | 04/16/2002 |
| 6371001 | Mine-clearing apparatus An apparatus for clearing mines set in the ground has a vehicle body adapted to travel along the ground in a horizontal travel direction, a drum mounted at a front end of the body and rotatable in a rotational sense about a horizontal axis generally perpe... | 04/16/2002 |
| 6371002 | Detachable shock-absorbing ram-plate The detachable shock-absorbing ram-plate is used in a projectile launching system to mitigate launching impact forces and to prevent ram-plate re-strike during launch. The detachable shock-absorbing ram-plate is detachably coupled to the projectile using ... | 04/16/2002 |
| 6371003 | Enclosures for installation on the seabed The disclosure relates to an enclosure for installation in the seabed comprising an elongate container for holding a payload. The container has a plurality of passages extending lengthwise of the container and an impeller at the lower end of the container... | 04/16/2002 |
| 6371004 | Laser beam apparatus for adjusting telescopic gun sights A bore sighting assembly for accurately mounting a telescopic sight on a rifle or other firearm, with the sighting assembly utilizing a laser beam generator for creating a beam having a diameter of less than that of the bore, and with the light being dire... | 04/16/2002 |
| 6371005 | Hydraulic power unit for an elevator drive A vertically oriented hydraulic power unit for an elevator drive includes an outer tank for drive fluid and an inner tank for fluid used to submerge and cool a motor, the fluids being exchangeable to maintain temperature in the inner tank at or below a sp... | 04/16/2002 |
| 6371006 | Cylinder control device A main passage communicated to a pump passage or a tank passage by switching operation of a spool valve is provided with an operation check valve permitting communication only to a cylinder. A puppet in the operation check valve is provided with an orific... | 04/16/2002 |
| 6371007 | Swash plate type compressor with a lubricated shoe-and-socket piston joint In a swash plate type compressor having a shoe interposed between a swash plate and a concave surface of a piston, the concave surface has a first and a second spherical surface which are adjacent to and offset from each other to make a slight step extend... | 04/16/2002 |
| 6371008 | Water-raising pump Water-raising pump for drawing water in a ground water table, which pump comprises a tube connecting the surface to the water table to be pumped, a rod carrying the pistons, which is connected to a drive mechanism installed at the surface for imparting to... | 04/16/2002 |
| 6371009 | Structural matrix for a piston and connecting-rod assembly The present invention, being a continuation-in-part of the Reinforced Wrist-pin, makes use of a traversing reinforcing matrix for the non-mechanical surfaces of the piston and connecting-rod components' assembly. Interposing holes, or spacial impressions,... | 04/16/2002 |
| 6371010 | Fryer The invention provides a fryer that can prevent problems such as poorly cooked food when operation of an oil discharge valve is started and cooking oil is discharged, for example, to adjust the liquid level of the cooking oil within an oil vat. The fryer ... | 04/16/2002 |
| 6371011 | Fast production smokeless broiler A broiler for fast production broiling of meat products with low levels of pollutant emissions incorporates liquid-cooled trough members that are spaced above respective horizontally spaced radiant elements under a grill for directing grease onto a drip p... | 04/16/2002 |
| 6371012 | Baking tray The present invention consists in a tray assembly for use as a baking tray, the tray assembly including: a base tray having a generally planar base; a cooling tray having a generally planar surface for receiving at least one article to be baked, the gener... | 04/16/2002 |
| 6371013 | Fruit squeezer with an additive adding mechanism A fruit squeezer includes a hollow stand, a water container mounted on the stand, a juice collector mounted in the water container, a reamer mounted rotatably in the juice collector, a squeezing member disposed above and movable toward the reamer, and an ... | 04/16/2002 |
| 6371014 | Fresh commodity peeling system and method The system for peeling a fresh commodity includes barbs for piercing the peel in a plurality of spaced-apart locations. A vacuum infuser is used to infuse the pierced commodity with an aqueous solution to loosen the peel. A peeling device supports a fresh... | 04/16/2002 |