Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7837201 | Assistant apparatus for surmounting barrier The present invention provides an assistant apparatus for surmounting a barrier, which comprises a carrier body, an assistant mechanism, and a sensing/driving apparatus. The assistant mechanism, disposed at a side of the carrier body, having an assistant block dispo... | 11/23/2010 |
| 7669861 | Stone block transporting crawler-climber Twinned circular, parallel arrays of spoke-like second-class levers (10, 12) enclosing a centered cargo cradle for towing 2½ ton stone blocks (26) up a stepped structure of stone courses (34) by rotation of the whole. ... | 03/02/2010 |
| 7540504 | Step climbing wheelchair A step climbing wheelchair apparatus includes right and left lift anus, and a longitudinal slot defined in a middle portion of each lift arm. The rear wheel axles of the wheelchair extend through the slot and a fastener is attached to secure each lift aim on the cor... | 06/02/2009 |
| 7503567 | Automated wheelchair An automated wheelchair for moving over a contact surface. The automated wheelchair includes an operator chair for seating the wheelchair operator, a control computer, an operator input device for transmitting operator inputs to the control computer, and two wheelch... | 03/17/2009 |
| 7398843 | Reconfigurable robot drive A robot including a robot body, a plurality of wheels on the robot body for propelling the robot body, and an axle for each wheel. Each wheel is configured to alternately attach to an axle at or proximate the center of the wheel for high efficiency mobility on flat ... | 07/15/2008 |
| 7384046 | Powered wheeled vehicle capable of travelling on level ground, over uneven surfaces and on stairs Powered wheeled vehicle (1), capable of travelling both on level ground and over uneven surfaces, comprising at least one driving tread (BR11) as well as two pairs of front wheels (R61) and rear wheels (R21), of which at least one is a dr... | 06/10/2008 |
| 7360792 | Power wheelchair A power wheelchair is capable of operating in either a two-wheel or a four-wheel drive configuration. The wheelchair includes first and second forward drive wheels in contact a supporting surface. First and second wheel support assemblies each include a support memb... | 04/22/2008 |
| 7316282 | Anti-tip system for wheelchairs An anti-tip system is adapted for use in a powered wheelchair for purposes of curb-climbing and ride stability. The anti-tip system includes at least one anti-tip wheel, a suspension arm for mounting the anti-tip wheel and a pair of links coupling the suspension arm... | 01/08/2008 |
| 7303198 | Trolley wheel assembly A trolley includes a front wheel assemblie (12) and a rear wheel assembly both assemblies mounted on a trolley frame. The front wheel assembly (12) includes a fixed wheel assembly (24) to aid control of the trolley. In one form the front wheel a... | 12/04/2007 |
| 7264272 | Bi-directional anti-tip system for powered wheelchairs A bi-directional anti-tip system for a wheelchair includes a pair of anti-tip system subassemblies actively lifting a leading anti-tip wheel when traveling in either forward or reverse directions. The anti-tip system subassemblies operate to couple a leading anti-ti... | 09/04/2007 |
| 7232008 | Active anti-tip wheels for power wheelchair An anti-tip system is provided for stabilizing a vehicle, such as a power wheelchair, about a pitch axis and relative to a ground plane. The anti-tip system includes at least one anti-tip wheel. The mounting assembly for the anti-tip wheel is configured such that it... | 06/19/2007 |
| 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 |
| 7219906 | Height-adjustable cordless brake The present invention relates to a cordless braking system for a mobility-aiding device, such as a wheeled walker (a rollator) or a transport chair. The cordless braking system includes a brake actuating linkage, disposed inside the leg and handlebar members of the ... | 05/22/2007 |
| 7199709 | Cart fleet management system A hand-operated cart constructed for carrying luggage or packages includes a frame including a cargo area, and cart wheels connected to the frame and connected to a handrail arranged for manually displacing the cart. The cart also includes a distance sensor construc... | 04/03/2007 |
| 7192043 | Multi-terrain wheel chair A multi-terrain foldable wheelchair preferably comprises a foldable frame configured for carrying a user in a seated position. The frame further comprises a plurality of hinges configured to allow the frame to fold. Further, the multi-terrain wheelchair comprises a ... | 03/20/2007 |
| 7162760 | Methods and apparatus for a step mounting system A step mounting apparatus includes a stepping portion, at least one mounting support extending from the stepping portion, and at least one contact member attached to the at least one mounting support. The at least one contact member is adjustable with respect to the... | 01/16/2007 |
| 7152882 | Mobile carriage The invention provides a mobile carriage which is adapted to shift the center of gravity efficiently by utilizing the weight of wheel rotating means, power source means and control means to thereby increase the weight of a weight portion and reduce the increase in t... | 12/26/2006 |
| 7083013 | Self-leveling and balancing vehicle A self-leveling and balancing vehicle composed of a base and a moving and driving mechanism installed on the base, the mechanism having two longitudinal moving seats installed on the guiding rails fixed on the base, a connecting frame extending to and connecting the... | 08/01/2006 |
| 7080842 | Device for climbing stairs for a wheelchair A device for climbing stairs for a wheelchair having a chassis (1) having a lifting device (3) and having receivers (17, 18) for the running wheels (16) of the wheelchair on arms running transversely to the wheel axles laterally next to t... | 07/25/2006 |
| 7073801 | Foldable mobility support device A mobility device includes at least a first front leg and at least a first rear leg connected to the first front leg. The first rear leg includes an upper member having a first end and a second end and a lower member having a first end and a second end. The first en... | 07/11/2006 |
| 7044481 | Wheel assemblies for use with load bearing platforms A wheel assembly for supporting a load bearing platform includes a primary wheel and at least four secondary wheels that are of equal size. The primary wheel includes at least one planar member having an even number of axles at fixed locations extending perpendicula... | 05/16/2006 |
| 7040429 | Wheelchair suspension A wheelchair suspension having plurality of pivoting linkages to lift and retract a front castor assembly to facilitate traversing an obstacle or rough terrain. In this regard, a wheelchair suspension having a frame member and at least one a pivoting assembly is pro... | 05/09/2006 |
| 7036185 | Arrangement in a wheel lifting mechanism The present invention relates to an arrangement in a wheel lifting mechanism designed to lift at least one wheel (1) running on an underlying surface so that it is capable of negotiating an obstacle (h) rising above the underlying surface. The arrangement com... | 05/02/2006 |
| 7028799 | Structure of a frame of an electric cart for a person to ride on A frame of an electric cart includes a front part, and a rear part separable from the front part; the front part has a locating member secured on a rear end thereof; the rear part has a connecting member secured on a front end thereof for engaging the locating membe... | 04/18/2006 |
| 7025363 | Cargo transportation dolly A dolly includes a frame having rear and bottom sections directly conjoined to each other. The frame further includes a pair of oppositely disposed leverage arms having opposed end portions directly connected to the rear section and terminating rearward therefrom re... | 04/11/2006 |
| 7017687 | Reconfigurable articulated leg and wheel A reconfigurable leg and wheel device includes an array of components joined in series configurable as i) an articulated leg with the components movable with respect to one another in a walking motion, and reconfigurable as ii) a wheel with the components forming a ... | 03/28/2006 |
| 7011171 | Rugged terrain robot A rugged terrain robot (RTR) apparatus can function as a reconnaissance robot to optimize safety of search or rescue personnel. Remote control places the RTR in either a rolling mode or in a stair-climbing mode. Remote feedback is provided by an on-board RTR camera ... | 03/14/2006 |
| 6935447 | Stair-climbing hand truck A stair-climbing hand truck comprising two casters held in a chassis and a supporting foot constituted by a two-arm lever having a lower support end and an upper end, a supporting foot guide connected to and guiding the upper end of the two-arm lever, a connecting r... | 08/30/2005 |
| 6923278 | Adjustable anti-tip wheels for power wheelchair A power wheelchair with front anti-tip wheels for substantially eliminating partial tips of the wheelchair is described. The anti-tip wheels are attached to the end of an extension arm which is attached to the frame of the wheelchair. A spring connects the anti-tip ... | 08/02/2005 |
| 6923475 | ATV trailer with fully-rotatable suspension An ATV trailer with fully-rotatable suspension is provided. The ATV trailer is formed of frame members fabricated of square, metal tubing and welded together to form a framework of rails. A downwardly sloping tongue terminates into a ball hitch coupler being mountab... | 08/02/2005 |
| 6907945 | Wheel chair Disclosed is a wheel chair capable of going over an obstacle or ascending or descending a stair. The wheel chair comprises a wheel frame; an actuator coupled to the wheel frame; a power generating unit coupled to the actuator; a first transmission having a sun gear ... | 06/21/2005 |
| 6799649 | Control of a balancing personal vehicle A vehicle for transporting a payload over a surface that may be irregular and may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with respect to a local axis, where the local axis can be moved with respec... | 10/05/2004 |
| 6752400 | Moving unit A moving unit provides a wheel that supports a body portion in a condition that the body portion can be moved, a supporting member that is mounted at a position that does not interfere with rotation of the wheel and an arm that is mounted at a position shifted from ... | 06/22/2004 |
| 6712369 | Anti-turnover mechanism of electrical wheelchair An electrical wheelchair includes a chassis to which a frame is pivotally mounted. Two casters are rotatably mounted to the frame. At least a resilient member is arranged between the frame and the chassis for supporting the relative position of the frame with respec... | 03/30/2004 |
| 6454286 | Traveling device for smooth and stable movement on uneven and inclined surfaces A traveling device such as, for example, a wheelchair or a resource carrier enabling comfortable travel on uneven ground, with its wheels moving in conformity with the ground, having a simple construction which can be manufactured at low price. The device... | 09/24/2002 |
| 6405816 | Mechanical improvements to a personal vehicle Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms.... | 06/18/2002 |
| 6402161 | Portable stair-climbing load transporting dolly A portable load transporting dolly having a mechanism manually operable for selectively ascending or descending steps is shown. The dolly has generally cross-shaped wheels and a pivotal driving lever is located at its handle. A cable couples the pivotal d... | 06/11/2002 |
| 6386552 | Two-wheel hand truck A sack trolley (1) comprises a support frame (2) presenting a lower pair of carrying wheels (4) and a hoist mechanism (6) for climbing steps, which comprises a lifting arm (10) equipped with support rollers at its free end and which can be swivelled about... | 05/14/2002 |
| 6357765 | Obstacle traversing wheel assembly An obstacle traversing wheel assembly that rolls easily without dragging over electrical cords, trash and debris includes a primary wheel that is journaled on an axle which is attached to a load carrying frame. At least four independently rotatable second... | 03/19/2002 |
| 6341784 | Motor-driven stair climbing device A motor-driven stair climbing device (10) to carry equipment and goods, more particularly wheel chairs (9) with disabled persons. The wheel chair (9) can be detachably fixed to the stair climber (10) and essentially comprises a stable frame (101) with an ... | 01/29/2002 |
