Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8025305 | Stand for scooters A stand for scooters includes a base laterally mounted to a longitudinal frame under a platform of the scooter. A supporting shaft has a first end pivotally mounted to the base and a second end selectively abutting against a support surface/ground for supporting the... | 09/27/2011 |
| 7967318 | Stand device for motorcycle A stand device for a motorcycle includes an interlocking mechanism having a coil-formed stand spring connected to a stand at one end thereof. A spring support member has a spring support portion connected with the other end of the stand spring and is interlocked and... | 06/28/2011 |
| 7857340 | Stand device for motorcycle A stand device for a motorcycle includes an interlocking mechanism having a coil-formed stand spring connected to a stand at one end thereof. A spring support member has a spring support portion connected with the other end of the stand spring and is interlocked and... | 12/28/2010 |
| 7793962 | Main stand for motorcycle A main stand for a vehicle (e.g., a motorcycle) includes a bar-like member rotatably disposed on a vehicle body frame of the motorcycle, a lever rotatably disposed on the vehicle body frame, a cam rotated integrally with the lever, and a cam rest disposed on an uppe... | 09/14/2010 |
| 7575245 | Device for connecting a kickstand to a bicycle A device for connecting a kickstand to a bicycle includes a first connective member, a second connective member and a fastener. The first connective member is connected to a chain stay and a seat stay. The first connective member includes a claw formed thereon for h... | 08/18/2009 |
| 7556277 | Bicycle training aid with dynamically deployable balancing features A bicycle training aid has dynamically deployable balancing mechanisms that are used when teaching a child to ride a bicycle. The balancing mechanisms can be in the form of deployable training wheels that are actuated when the child becomes unstable on the bicycle. ... | 07/07/2009 |
| 7347428 | Weighted sunscreen A weighted sunscreen for outdoor use, which includes a shade having an elongated post with a first end, a second end, and a canopy attached to the first end, a weight, to which the second end is attached, a platform comprising an upper side upon which the weight is ... | 03/25/2008 |
| 7303204 | Wheeled vehicle with stand A wheeled vehicle includes a frame. A power unit powers the vehicle. The frame supports the power unit. A stand body includes a pair of legs that are transversely spaced apart from each other. The stand body moves between an extended position and a retracted positio... | 12/04/2007 |
| 7175192 | Foldable bicycle A foldable bicycle includes a frame. A first foldable device is connected to a top tube of the frame so as to fold a front wheel together with a head tube and a handlebar backward at the first foldable device such that the front and rear wheels are located parallel ... | 02/13/2007 |
| 7140631 | Automatic kick stand for two-wheeled vehicle An automated side stand for a two wheeled vehicle. A side stand assembly comprises a rotatable strut and an actuator attachable to the frame of a vehicle having two wheels. The actuator operates to rotate the strut between an up position and a down position. In the ... | 11/28/2006 |
| 7097191 | Adjustable kickstand with reinforced parking position lock An adjustable kickstand is constructed from a fixed kickstand body (110) and an extendable leg (150). The extendable leg (150) is effectively lengthened by the use of at least one spacing element (120a–120e). When a... | 08/29/2006 |
| 7059622 | Collapsible stand for bicycle A collapsible stand for a bicycle includes a hooking element for hooking a down tube of the bicycle. An upper palming element is pivotally connected with the hooking element for palming a bottom bracket of the bicycle. A lower palming element is pivotally connected ... | 06/13/2006 |
| 7055842 | Folding electric bicycle Provided is a folding electric bicycle comprising a front frame section; a rear frame section comprising two bent arms individually having one end pivotably coupled to an axle passed rear wheel, and two auxiliary wheels rotatably mounted in open ends of the bent arm... | 06/06/2006 |
| 6994368 | Bicycle auxiliary wheel attachment The auxiliary wheel attachment for a bicycle comprises flat metal strip material forming a frame that is rigid and strong enough to support the weight of an adult rider. The use of flat strip material allows the auxiliary wheel attachment to be fabricated using conv... | 02/07/2006 |
| 6964426 | Side stand device for motorbike A spring stand for motorcycles for making a return spring invisible from the outside to provide a neat appearance. A side stand is installed on a side lower section of a motorcycle body through a stand bracket. The side stand is formed on a pipe-shape in which a ret... | 11/15/2005 |
| 6942053 | Vehicle of novel configuration and operation A vehicle having two primary wheels and two or more retractable wheels that may be operated in either two-wheeled or multi-wheeled configuration with a sliding panel system for open or complete enclosure, with both the wheelprint and the open/enclosed panel system b... | 09/13/2005 |
| 6918607 | Side stand device To reduce the transmission of vibrations from a body frame to a rotary switch, thereby preventing any trouble in the rotary switch and reliably maintaining the function and performance of the rotary switch. A side stand device includes a side stand bracket mounted o... | 07/19/2005 |
| 6769708 | Dual mode bicycle training aid The invention is a training aid which can be converted from training wheels to a support bar which allows a person to learn the skills necessary to operate the bicycle. The invention allows a rider to be stabilized by the ground in a first position and to allow a no... | 08/03/2004 |
| 6679054 | Electro-hydraulic actuator of a motorcycle stand An actuating device (1) for the rotation of a stand (4) of a vehicle, such as a motorcycle or scooter, between a standing position and a rest position, and allowing also the reverse maneuver in order to rotate the stand from the position of vehicle on the... | 01/20/2004 |
| 6669221 | Motorcycle kickstand anti-sink attachment An apparatus to be attached to the end of a motorcycle kickstand to prevent the end of the kickstand from sinking into the supporting surface. A supporting pad has a pair of attachment tabs extending therefrom, with which the supporting pad can be attache... | 12/30/2003 |
| 6648357 | Vehicle kickstands and foot pegs A detent mechanism including a ball bearing is used in a motorcycle kickstand and motorcycle foot pegs. A spring is placed in a cavity of a leg of the kickstand or a leg of the foot peg. A ball bearing is placed in contact with the spring. A bracket with ... | 11/18/2003 |
| 6561467 | Quick-release variable position slidable scooter jackstand The invention discloses a quick release jack stand assembly for releasable attachment to the foot board of a scooter wherein the jack stand assembly further comprises a side bracket having a scooter engagement track, wherein the scooter engagement track s... | 05/13/2003 |
| 6533306 | Adjustable height anti-tip wheels for a power wheelchair The present invention is an improved anti-tip wheel assembly for a wheelchair. The preferred embodiment of the assembly includes a cam mechanism to allow the initial height of an anti-tip wheel above ground to be adjusted dependent on the obstructions whi... | 03/18/2003 |
| 6530589 | Structure of a bicycle for children An improved structure of a bicycle for children is disclosed. The bicycle comprises a front and a rear frame and a flexural mechanism is used to connect the front and the rear frame such that the tricycle can be folded. The upper section of the front fram... | 03/11/2003 |
| 6502844 | Motorcycle kickstand and detent mechanism A vehicle stand, particularly a kickstand for motorcycles, includes a support arm and a angularly turned portion of the arm. The angularly turned portion is rotatably received in the bore of a carrier block, and the block is pivotally mounted in a bracket... | 01/07/2003 |
| 6340166 | Kickstand support base for motorcycles A kickstand accessory for supporting motorcycles which includes a substantially planar base having a retaining member for the foot portion of the kickstand, an upwardly angled arm and cooperating fastening members for attachment to the shank portion of th... | 01/22/2002 |
| 6331012 | Bicycle training wheel assembly A training wheel assembly includes an upper frame segment having multiple height adjustment apertures for adjustably attaching the assembly to a bicycle, a lower frame segment pivotally attached to the upper frame segment, wheel rotatably attached to the ... | 12/18/2001 |
| 6318745 | Leaning coordinated self-stabilizing bicycle training wheels An improved adjustable training wheel apparatus for attachment to a bicycle as a stabilizing aid to developing balancing skills when first learning to ride a bicycle, and allowing the bicycle body to lean in either direction while being ridden, includes a... | 11/20/2001 |
| 6286849 | Deployable training wheels for a bicycle A deployable training wheels for a bicycle for safely making the transition between riding with and without training wheels. The deployable training wheels for a bicycle includes a pair of hubs being securely mounted about a rear axle of a bicycle; and al... | 09/11/2001 |
| 6276707 | Height-adjusting device for kickstands A device which automatically adjusts a kickstand's point of contact with the ground to insure that the vehicle is always resting at the optimal angle of lean when parked, irregardless of the contour of the surface of the ground. The device is designed to ... | 08/21/2001 |
| 6244612 | Stabilizing device for single and double wheel cycles The present invention reveals a device that enables an instructor to stabilize a moving single or double wheel cycle and rider as the instructor assists the new rider to safely develop the balancing and steering skills necessary to control the cycle indep... | 06/12/2001 |
| 6213237 | Motorcycle stop support wheels Lockup hydraulic valve system for controlling side swing arm supported wheels on a motorcycle when the wheels are in a downward ground engaging position. The valve system has an open-unlocked and closed-locked position. In the unlocked position, a driver ... | 04/10/2001 |
| 6170846 | Vehicle support system A vehicle support system for maintaining a vehicle in an upright position. The support system includes a base plate attached to a side surface and first and second mounting blocks attached to the base plate. Pivotably mounted between the first and second ... | 01/09/2001 |
| 6168180 | Bicycle stand A removable stand comprising a mounting block and support post supports a bicycle at an angle. The support post is nonrotatably friction fit within a socket formed in the mounting block. The mounting block is mounted upon a single frame element, such as a... | 01/02/2001 |
| 6131427 | Foot peg/lock holder combination for a motorcycle An improved, multi-purpose foot rest peg, having an elongated groove (40) to accommodate a disc rotor brake lock, with a hole (60) to accommodate the cylinder locking apparatur of an existing u-shaped rotor disc lock to be attached to a motorcycle (10), (... | 10/17/2000 |
| 5904218 | Single-track vehicle with independently actuable and limited-pivot-angle caster side wheels A vehicle having a chassis frame and a single front and single rear wheel aligned on the longitudinal axis of the vehicle, and retractable side wheels on opposite sides of the frame. A basic linkage transmits force to the side wheels for extending and ret... | 05/18/1999 |
| 5819868 | Electric motor powered stand device for a vehicle A retractable stand for an electric vehicle is connected to an electric running motor. A one-way clutch is disposed between an output shaft of the running motor and a continuously variable transmission. Upon forward rotation of the output shaft, the one-w... | 10/13/1998 |
| 5628379 | Single track vehicle A vehicle having a chassis frame and a single front and single rear wheel aligned on the longitudinal axis of the vehicle, and retractable side wheels on opposite sides of the frame. A basic linkage transmits force to the side wheels for extending and ret... | 05/13/1997 |
| 5553471 | Motorcycle center stand with locking device A locking mechanism for a two-wheeled motorcycle having a center stand; the locking mechanism in one embodiment including a key lock with a cylinder that is connected to a cam that displaces a locking pin to engage a pivotal sleeve that connects the cente... | 09/10/1996 |
| 5507200 | Combination motorcycle kickstand mechanism and transmission forward control unit A combination kickstand mechanism and transmission forward control unit for use with motorcycles. A support body is formed with an internal chamber which fits a lock cylinder that is formed with a slot. A kickstand is provided with a foot portion for cont... | 04/16/1996 |