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 |
| 7314121 | Apparatus for mounting a brake control element to a bicycle hub brake An apparatus for mounting a brake control element to a bicycle hub brake comprises a rotating member structured to be rotatably mounted relative to a fastening bracket so that rotation of the rotating member actuates a brake mechanism, wherein the rotating member in... | 01/01/2008 |
| 7302875 | Rotation transmitting device and hydraulic drive unit A hydraulic drive device, comprising a hydraulic motor (10), a rotating body (20) connected to the drive shaft (11) of the hydraulic motor (10), functioning, by itself as a flywheel, and having an internal gear (21) formed on the o... | 12/04/2007 |
| 7222874 | Rear wheel synchronous brake system for pushcart A rear wheel synchronous brake system used in a pushcart such as a baby jogging stroller is disclosed to include two rear brakes respectively coupled to the two rear wheels of the baby jogging stroller, a hand control unit mounted on the handle of the baby jogging s... | 05/29/2007 |
| 7219774 | Double-wrap brake band assembly In a double-wrap band brake assembly, an intermediate band is provided with a first friction material forming a first friction surface from a portion of the intermediate band near an apply bracket to a predetermined intermediate portion thereof, the first friction s... | 05/22/2007 |
| 7200941 | Chainsaw throttle and brake mechanisms A chainsaw is provided having a brake band disposed about a drum that rotates during advancement of the saw chain about the saw bar. An end of the brake band is biased to a position that draws the brake band tight about the drum to prevent advancement of the saw cha... | 04/10/2007 |
| 7197783 | Appliance having a driving mechanism An appliance having a driving mechanism is provided, the appliance (10) comprising two rotatable portions (32, 34) which are rotatable by the driving mechanism (50) about an axis (40). The driving mechanism (50) comprises a gearbox... | 04/03/2007 |
| 7172528 | Transfer case with overdrive/underdrive shifting A transfer case for a vehicle that includes a planetary gear assembly, a clutch pack assembly, and a band and drum assembly that provide an overdrive or underdrive and direct drive in combination with a vehicle transmission. In one embodiment, an input shaft drives ... | 02/06/2007 |
| 7083538 | Power transmission with electromechanical actuator An automotive transmission is equipped with a variety of gears that may be combined to yield one or more output speeds as compared to an input speed. One or more electromechanical actuators is used to engage or disengage a particular desired mix of gears. The electr... | 08/01/2006 |
| 7066305 | Brake bands for an automatic transmission and method for controlling a gear shift in automatic transmission and feedback loop control system A brake band shifting mechanism for an automatic transmission. The brake band shifting mechanism includes a brake band encircling a brake drum of the transmission. A first end of the brake band is mounted to a secured portion of the transmission by a first linkage a... | 06/27/2006 |
| 7047611 | High performance intermediate servo assembly and method of use A high performance intermediate servo assembly wherein the servo piston has been modified to provide at least a 17% increase in surface apply area and a corresponding increase in hydraulic pressure delivered to the 2nd gear clutch band which it actuates. ... | 05/23/2006 |
| 7028815 | Double-wrap brake band apparatus A double-wrap band brake apparatus which has a double-wrap brake band comprising an annular intermediate band with a frictional surface formed on the inner periphery thereof, a pair of annular outer bands secured to the free end of the intermediate band in a state t... | 04/18/2006 |
| 7000743 | Brake shoe assembly having a corrosion reducing lining A brake shoe assembly provides a plurality of drain openings located through a brake shoe table which correspond with drain openings in a brake lining. The aligned drain openings provide an unobstructed moisture escape path from an inner surface of the brake shoe ta... | 02/21/2006 |
| 6971487 | Double-wrap band brake apparatus A double-wrap band brake comprises a middle band with a frictional surface on the inner peripheral side, and a pair of outer bands coupled to this middle band and having frictional surfaces on the inner peripheral sides, an anchor bracket, and an apply bracket. The ... | 12/06/2005 |
| 6948596 | Dual-acting band brake A band brake for retarding the motion of an associated rotatable member. The brake acts to resist motion of the rotatable member through actuation of both of its ends by a cylindrical actuating member. The band is connected with and carried by actuator so as to allo... | 09/27/2005 |
| 6948598 | Brake drum for wet-type band brake drum and method for manufacturing the same A brake drum for a wet-type band brake has a large number of grooves substantially along the circumferential direction on a slide contact surface with the brake band. Each adjacent grooves are smoothly linked to each other through a substantially convex arcuate cros... | 09/27/2005 |
| 6918451 | Brake band and portable trimmer The present invention relates to a brake band for use with a centrifugal clutch. The brake band is formed in a curved strip shape to be disposed along the outer peripheral surface of a clutch drum of the centrifugal clutch, and is adapted to be tightened around or r... | 07/19/2005 |
| 6907974 | High performance intermediate servo assembly A high performance intermediate servo assembly wherein the servo piston has been modified to provide at least a 17% increase in surface apply area and a corresponding increase in hydraulic pressure delivered to the 2nd gear clutch band which it actuates i... | 06/21/2005 |
| 6830131 | Elevator hoisting machine A hoisting machine for an elevator, mounted on and fastened to one side of an elevator or counterweight guide rail. The machine comprises at least an elevator motor and a traction sheave driving the elevator ropes, and two operating brakes of the elevator. The hoist... | 12/14/2004 |
| 6814192 | Device for braking a motor shaft The invention relates to a device for braking a motor shaft, such as a motor shaft of a chain saw, with a brake band that at least partially surrounds an area of the shaft and with at least one guide component that cooperates with the brake band and holds it in its ... | 11/09/2004 |
| 6742265 | Hand guard block The invention entails a motor saw which includes a brake system for braking the motor, and which further includes a brake-system actuation arrangement comprising a lever and a positioning element which lever is held by the positioning element in a defined position a... | 06/01/2004 |
| 6502672 | Brake for a rotary turntable This invention relates to a brake system adapted for use with a rotary turntable. The brake system includes a braking member secured to the rotary turntable, at least one brake band, and an actuator operatively connected to the brake band for selectively ... | 01/07/2003 |
| 6488130 | Twist-grip brake for a cargo portage device An apparatus for the application of a braking force to a wheel of a wheelbarrow, hand cart or other type of a cargo portage device includes a twist grip mechanism with a latching type of a ratchet attached to the handlebar of the device. As the twist grip... | 12/03/2002 |
| 6422356 | Automatic transmission with band brake and hydraulic operator The automatic transmission of the present invention prevents fluctuation of torque transmission through a band brake. In the hydraulic operator for the band brake, a resilient elastic cushion is provided between a rod abutting one end of the band of the b... | 07/23/2002 |
| 6401878 | Brake band A brake band comprises a strap and a lining bonded on an inner peripheral surface of the strap. The lining is provided in a surface thereof with at least one oil groove formed under compression to a predetermined depth.... | 06/11/2002 |
| 6374961 | Tube-pressed brake A tube-pressed brake includes a tube for being injected with a pressure fluid to produce a pressure therein to permit transmission of a torque between two members arranged in a combination and rotating relative to each other. The tube has been applied wit... | 04/23/2002 |
| 6349804 | Friction-band brake In a friction belt brake with a rotary cylinder (1), which is wound around at least a part of its circumference by a friction belt (2), and with a support (3) for the friction belt, which in a first braking position, can be pivoted around a first axis (9;... | 02/26/2002 |
| 6341675 | Tube-pressed brake A tube-pressed brake has a tube, which is inflatable by injection of a pressure fluid thereinto such that a torque can be transmitted to a counterpart. The tube-pressed brake comprises a pressure fluid circuit for circulating the pressure fluid through an... | 01/29/2002 |
| 6253883 | Brake drum with parallel grooves In the brake drum, a plurality of grooves are formed on the slid surface thereof in such a manner that the grooves respectively extend in parallel to the sliding direction of the brake drum.... | 07/03/2001 |
| 6247564 | Automotive suspension locking device An automotive suspension-locking device mounted to a shock absorber having a cylinder and a piston rod, the suspension-locking device includes a brake band provided around the piston rod of the shock absorber for locking and unlocking the shock absorber, ... | 06/19/2001 |
| 6220402 | Hydraulic servo apparatus for automatic transmission A hydraulic servo includes a cylinder, a piston and a rod. The piston divides the interior space of the cylinder between a closed hydraulic chamber and a back chamber which has an opening to the interior space of an automatic transmission. The rod is slid... | 04/24/2001 |
| 6197371 | Brake band having an improved initial friction coefficient A brake band formed by pressing a smooth hot plate or hot drum heated to a temperature of 350 to 550° C. on a surface of the frictional material made of a fiber component, a filler, a friction adjustment agent and a thermosetting resin on a strap for 1 t... | 03/06/2001 |
| 6182802 | Elastic-tube-operated brake band An elastic-tube-operated brake band is used by arranging it between an inner member and an outer member. The brake band includes a ring-shaped strap with a friction material fixedly secured on a circumferential surface thereof. The brake band is also with... | 02/06/2001 |
| 6112863 | Band brake with evenly distributed braking force application A band brake for selectively holding a rotating element motionless includes means for evenly distributed application of force to the band brake. In some embodiments of the invention ball or roller bearings are used to apply evenly distributed forces to th... | 09/05/2000 |
| 6089358 | Tube-pressed brake band A tube-pressed brake band is arranged between inner and outer rings having a common center to stop rotation of one of the inner and outer rings as a counterpart by inflating a ring-shaped tube, which is inflatable in a radial direction of the brake band, ... | 07/18/2000 |
| 6044937 | Brake band device for automatic transmission A brake band device (1) for engagement and dis-engagement (braking and releasing) a cylindrical clutch drum of an automatic transmission includes a strap (12) formed of a belt-like member shaped into a substantially circular form, with a gap defined betwe... | 04/04/2000 |
| 5984054 | Brake arrangement in a motor saw In a motor chain saw comprising a motor housing (10), a removable clutch cover (16) and an emergency chain brake (18-20) attached to the clutch cover, a hand guard (11) is provided which is pivotably attached to the motor housing by at least one lever (12... | 11/16/1999 |
| 5975253 | Lining for brake band A lining for a brake band wherein brackets of the same shape or different shapes are connected respectively to opposite ends of a curved thin strap having an adhesive thereon, and a thin wet lining is bonded to an inner side of the curved strap, character... | 11/02/1999 |
| 5921355 | Automobile anti-theft device The Frustrator--Model C is a small and simple electric powered assembly of common-use components hidden within the automobile steering column enclosure. It inhibits car thefts by anyone not having the ignition key because normal use of the ignition key co... | 07/13/1999 |
| 5884744 | Wheel brake A brake for tandem wheels comprising a block that is shaped to conform to a portion of the circumferential surface of each of the wheels. The block is positioned to be in continuous frictional engagement with the circumferential surface of each of the whe... | 03/23/1999 |
| 5752588 | Hydraulic servo automatic transmission friction brake band A hydraulic servo for friction brakes of an automatic transmission comprises a cylinder (2) with a main piston (3) arranged therein, a smaller cylinder (8) to receive a smaller compensation piston (9), the smaller cylinder communicating with the pressure ... | 05/19/1998 |