Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 8167317 | Wheelchair attachments Attachments for a manual wheelchair are provided for navigating a wheelchair over obstacles and uneven terrain, such as a typical curb on a street. The attachments provide for regulating the movement of the wheelchair as the wheelchair descends the curb and to preve... | 05/01/2012 |
| 8100415 | Wheel suspension The present invention relates to a wheel suspension for mounting on a frame (3) of a vehicle, which, in its direction of propulsion, is arranged to be able to scale an obstacle (7), the wheel suspension (1) comprises a link element (9) ar... | 01/24/2012 |
| 7766342 | Wheelchair attachments Attachments for a manual wheelchair are provided for navigating a wheelchair over obstacles and uneven terrain, such as a typical curb on a street. The attachments provide for regulating the movement of the wheelchair as the wheelchair descends the curb and to preve... | 08/03/2010 |
| 7370876 | Wheelchair suspension A side frame assembly for a wheelchair suspension includes a mainframe, and a front caster frame connected pivotally to both a front end of the mainframe and a front caster. A return spring is disposed between the front caster frame and the mainframe so as to bias t... | 05/13/2008 |
| 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 |
| 7246671 | Stair-climbing human transporter A transportation vehicle and methods for transporting persons, robots or cargo, and more particularly motorized vehicles, and methods for transporting over surfaces, including surfaces such as floors, roads, paths and sidewalks, and surfaces having obstacles or incl... | 07/24/2007 |
| 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 |
| 7182166 | Footrest tuck mechanism A wheelchair with a footrest that tucks as a power base on which the wheelchair seat is mounted rotates about an axis parallel to a surface. The rotation of the power base raises the height of the seat above the surface. The footrest, which is coupled to the support... | 02/27/2007 |
| 7163213 | Powered hand truck A powered hand truck for assisting in the movement of objects. The powered hand truck includes an electric motor, a power source, a programable motor controller, and a transaxle, which are adaptable to existing hand trucks, or may be integrated into a new powered ha... | 01/16/2007 |
| 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 |
| 7055634 | Wheelchair suspension The present invention has a 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 provid... | 06/06/2006 |
| 7052023 | Modularized wheel chairs A wheel chair includes wheel frames which can be adjusted up and down, moving devices and brake devices are connected to two respective sides of the two wheel frames. Support devices are connected to the wheel frames so as to adjust the depth of the wheel frames to ... | 05/30/2006 |
| 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 |
| 7021641 | Suspension structure for wheelchair A suspension structure for a wheelchair generally includes movable arm that serve to connect driving wheels with frame of a wheelchair, sliding unit is further provided for enabling the movable arm to movably connect with a front cantilever of the wheelchair. By suc... | 04/04/2006 |
| 6976698 | Manually operable standing wheelchair A manually operable standing wheelchair includes an actuator for moving an occupant from a sitting position to a standing position. The manually operable standing wheelchair has a lifting mechanism, including, for example, a ratchet, cable, pulley, and telescopic tu... | 12/20/2005 |
| 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 |
| 6926287 | Stroller assembly A stroller assembly includes a seat and a frame attached to the seat. A rear axle and a front axle is each mounted on the frame. A plurality of back wheels is rotatably attached to the rear axle. Each of a pair of hubs is rotatably coupled to one of a pair of free e... | 08/09/2005 |
| 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 |
| 6550787 | Conveying apparatus for ascending or descending stairways A conveying apparatus capable of ascending or descending stairways and carrying goods consists of a frame, a transmission mechanism and a driving mechanism located on a lower section of the frame. The transmission mechanism includes a planetary gear set a... | 04/22/2003 |
| 6547026 | Safety separation system A safety mechanism for a personal vehicle that provides for separation of the motion of a body support from a ground contacting assembly of the vehicle in case of accident. In one embodiment, the body support is attached to the ground contacting module vi... | 04/15/2003 |
| 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 |
| 6336642 | Safety device for stair-climbing systems A safety device for stairway elevator systems (10) used for transporting apparatus and goods, especially wheelchairs (9) with persons who are unable to walk. The device is characterized in that the stairway elevator (10) or wheelchair (9) is fitted with a... | 01/08/2002 |
| 5833248 | Stairway ascending/descending vehicle having an arm member with a torque transmitting configuration A stairway ascending/descending vehicle which may ascend/descend the steps of the stairs having a height greater than a diameter of wheels and in which vertical vibration is suppressed. The stairway ascending/descending vehicle has main shafts rotatably s... | 11/10/1998 |
| 5372211 | Method for surmounting an obstacle by a robot vehicle Surmounting obstacles in the path of a robot vehicle is accomplished by rotating the wheel forks of the vehicle about their transverse axes with respect to the vehicle body so as to shift most of the vehicle weight onto the rear wheels, and then driving t... | 12/13/1994 |
| 5273296 | Obstacle overcoming vehicle suspension system A suspension for propelling a vehicle so as to overcome an obstruction in its desired path of progress. The suspension includes connections between the chassis and body of the vehicle with its wheels or wheel like elements. A cam guides the rollers to ove... | 12/28/1993 |
| 5263547 | Stair climbing device A stair climbing device, such as a wheelchair for handicapped comprises a frame having two sides, two wheel pairs each arranged on a respective one of the sides of the frame, each of the wheel pairs having two wheels each provided with a rim and a center ... | 11/23/1993 |
| 5195762 | Hand truck lift A novel hand truck lift is provided comprising an elevating assembly which is extendable downwardly to easily enable the hand truck lift to be used to move objects supported thereon up and down stairs.... | 03/23/1993 |
| 5096265 | Folding hand truck auxiliary wheel structure A folding hand truck auxiliary wheel structure comprising an U-shaped auxiliary wheel frame adjustably secured to the wheel frame of a folding hand truck by a stop plate and a U-shaped spring wire to hold a pair of auxiliary wheels, wherein the U-shaped a... | 03/17/1992 |
| 4993912 | Stair climbing robot A stair climbing robot and method of operation is described. The robot includes a chassis having powered opposed front wheels and two pairs of rear wheels each pair being rotatably mounted on a beam at opposite ends thereof, and each beam being rotatably ... | 02/19/1991 |
| 4962942 | Minimum energy curb negotiating wheelchair A wheelchair which can negotiate curbs and other obstructions with a minimum of effort by the wheelchair occupant. The wheelchair has conventional front caster wheels and rear propulsion wheels, with first auxiliary support wheels located between the cast... | 10/16/1990 |
| 4960179 | Powered heavy-duty hand truck This hand truck is designed to enable heavy cargo to be easily transported up or down stairs. The truck utilizes a pair of rotatable large wheels with radially and equally spaced apart lobes or projections to engage with steps, so as to prevent an operato... | 10/02/1990 |
| 4906014 | Flatcar for carrying the burden A handtruck for use in carrying a load, comprises springs installed on a frame, a connection shaft received rotatably in bearings mounted on the opposite end portion of the springs and substantially parallel with the lateral extend of the frame, a support... | 03/06/1990 |
| 4770429 | Baby carriage capable of climbing stairs A baby carriage capable of climbing stairs utilizes a tubular frame with rear legs pivotably connected to and a basket tiltably positioned on said frame. The basket in its position is secured by a pair of pins inserted in slots in a plate fixedly position... | 09/13/1988 |
| 4709773 | Variable geometry track vehicle The vehicle comprises two tracked bodies and one non-tracked body articulated about a common axis. Each tracked body comprises two laterally positioned tracks. The engines are carried by tracked bodies, one of them supporting an engine or motor driving th... | 12/01/1987 |
| 4627508 | Step-negotiating vehicle A step-negotiating vehicle comprises a low-level chassis structure with motor-driven tracks, for carrying a load such as a wheelchair. The vehicle is provided with an extension support means to increase the support area defined by the track assembly, whic... | 12/09/1986 |
| 4618155 | Stair-climbing wheelchair The invention is an apparatus or wheelchair of conventional doorway width capable of negotiating stairways, turning about landings as necessary. The chair includes an outer supporting assembly, preferably the normal transport wheels, and an inner supporti... | 10/21/1986 |
| 4569409 | Stair climbing wheelchair A wheelchair for handicapped persons with a seat disposed on a movable frame, a battery set for the power supply of drive motors coordinated to the wheels of the wheelchair and a steering system for controlling the stop of the wheel groups for the purpose... | 02/11/1986 |
| 4550924 | Hand-operated cart Hand-operated cart for transporting loads, such as household machines, bags or the like and including a traveling frame with two running wheels and a load-carrying frame with two supporting wheels is provided with a device for adjusting the cart to be mov... | 11/05/1985 |
| 4541644 | Manual utility cart A manual utility cart including a frame having spaced cargo retaining portions and a lower portion. An axle journaled in the lower portion of said frame journals a first set of wheels. A second set of wheels is journaled on an axle spaced from and support... | 09/17/1985 |
| 4455029 | Wheel chairs A wheel chair has means for surmounting obstacles, comprising extensible legs 8 with wheels 10 at their feet ends, a link cable or the like mechanical connection actuable by a handle, 18 for lifting the wheelchair, the legs being extensible by pushing the... | 06/19/1984 |
