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 |
| 7992690 | Device for locking a lever of a motor vehicle The present invention describes a device for locking a lever of a motor vehicle. The device permits an operator to quickly lock the lever in an engaged position and unlock the lever from the engaged position. The device may be used even when the manual dexterity of ... | 08/09/2011 |
| 7374026 | Parking brake assembly A parking brake assembly for an air actuated disc brake includes an operating shaft for amplifying a force supplied by an air actuator and transmitting the force to brake pads. The operating shaft is pivotable about an axis between a rest position at which a braking... | 05/20/2008 |
| 7281611 | Bicycle handbrake conduit structure The present invention provides an adjusting tube on an end of the brake cable conduit, which is composed of rotating first and second tubular bodies. At where the first and second tubular bodies are joined, they are configured to have symmetrical and matching indent... | 10/16/2007 |
| 7255206 | Shopping cart brake Shopping cart brakes slow or render a shopping cart immobile. A brake lever has one end pivotably connected to a clamp that is attached to one end of a vertical member of a shopping cart adjacent to its handle. Two brake cables are enclosed by brake cable housings a... | 08/14/2007 |
| 6994192 | Locking device for two-wheeled vehicle The locking device for a two-wheeled vehicle capable of semi-automatically locking or unlocking a locking device for a two-wheeled vehicle is disclosed. The locking device for a two-wheeled vehicle comprises an engaging unit that includes a rear plate member and an ... | 02/07/2006 |
| 6615956 | Brake and lock device A brake and lock device includes a lever pivotally connected with a fork of a bicycle, a brake shoe attached to the lever for braking a wheel and a lock attached to the lever for locking the wheel. The lock includes a core for receiving a key and a latch ... | 09/09/2003 |
| 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 |
| 6431328 | Parking lock device for three-wheeled vehicle A parking lever for drawing a cable for locking rear wheels of a three-wheeled vehicle is provided on the front body. A rear wheel lock mechanism for locking the rear wheels is provided on the rear body. A roll lock mechanism for locking the relative rota... | 08/13/2002 |
| 6152266 | Braking power modulator for a bicycle A braking power modulator is provided for a bicycle brake to modulate a braking power corresponding to a stroke of an inner wire of the brake cable. The braking power modulator is mounted midway along a brake cable for the bicycle brake. The braking power... | 11/28/2000 |
| 5511399 | Motorcycle throttle clamp A motorcycle throttle clamp comprised of a pair of rectangular blocks having a semi-circular indentation on outer surfaces thereof. The semi-circular indentations are adapted to engage a round tubular handlebar of a motorcycle. The pair of rectangular blo... | 04/30/1996 |
| 5347835 | Control lever lock A device is provided for locking a control lever on a handlebar of a cycle. A first clamp arm has a key-actuated lock with a lock mechanism extending therefrom. A second clamp arm has a lock engagement recess for accepting the lock mechanism of the lock t... | 09/20/1994 |
| 5291972 | Method for locking a hand operated brake lever in its applied position A removable brake locking device for a hand-operated brake lever on a bicycle in its brake actuating position is provided and can be used with only one hand. The device is an nonextendible strap having a loop arranged and configured to be disposed around ... | 03/08/1994 |
| 4862999 | Device for braking a bicycle A device for retarding a bicycle having a braking system, the device incls an additional braking device independent of the braking system of the bicycle. A brake is associated with the additional braking device and a traction lever is provided for contro... | 09/05/1989 |
| 4850241 | Cable tension equalizer for a lever operated brake actuator A lever operated brake actuator for an all terrain vehicle, the actuator including a housing and a lever arm pivotally mounted in the housing, the lever arm including an arcuate curved groove, a cable equalizer in the form of a unitary member having a sph... | 07/25/1989 |
| 4785683 | Hand operated brake actuator A brake actuator for an all-terrain vehicle, the actuator including a housing and a cover, a hand-operated lever arm pivotally mounted in the housing and projecting outwardly from the housing through said cover, the lever arm being operatively connected t... | 11/22/1988 |
| 4667778 | Bicycle caliper brake assembly A caliper brake assembly comprising a pair of pivotal caliper arms operatively connected to a remote brake lever via a double type control cable consisting of an inner cable and an outer cable, a brake shoe mounted to a lower end of each of the caliper ar... | 05/26/1987 |
| 4653613 | Rotating grip brake for bicycles A rotation actuated internal lever braking system for bicycles. Braking is applied by rotation of a handle bar grip through a lever system to pull flexible cables operating friction brakes at one or both wheels. A pair of cable pulling units may be provid... | 03/31/1987 |
| 4644816 | Brake actuator A brake actuator for a bicycle having a front and rear brake assembly, the actuator includes a pivotally mounted handle within which is located a braking force division member, said division member being pivotally mounted and having cables extending from ... | 02/24/1987 |
| 4632225 | Brake device for bicycles A braking device for bicycles and the like comprising a double pair of yoke elements stamped of sheet plate material having appropriate lightening holes and component element mounting holes provided therewith. A pair of suitably mounted brake pad structur... | 12/30/1986 |
| 4603875 | Bicycle front wheel holder A bicycle front wheel holder is provided for releasably locking the front wheel of a bicycle in fixed rotational position relative to the bicycle frame and for keeping the front wheel from turning. The wheel holder comprises two bracket members adapted to... | 08/05/1986 |
| 4534439 | Parking lock device for motor tricycles A Parking lock operating device for a motor tricycle is disclosed. The motor tricycle includes a front and rear bodies which are equipped with a single wheel and two wheels, respectively. The motor tricycle is also equipped with parking brake means for br... | 08/13/1985 |
| 4289309 | Work control assembly in an exerciser A work control assembly in a bicycle exerciser having a driven member rotatively mounted on a frame. The work control assembly includes a brake which engages the driven member. A lever is pivotally carried by the frame and connected to the brake for exert... | 09/15/1981 |
| 4235436 | Work control apparatus for an exerciser A work control apparatus in a bicycle exerciser having a driven member rotatively mounted on a exerciser frame. The work control apparatus includes a housing mounted to the frame and providing support for a spring loaded, pivotally mounted lever connected... | 11/25/1980 |
| 3948361 | Parking brake mechanism A parking brake mechanism for use on vehicles of the type normally using a hand-actuated brake, such as snowmobiles, motorcycles, bicycles and the like. Normally, the hand actuated brake is mounted on a handle bar assembly of the vehicle. The brake includ... | 04/06/1976 |