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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7331590 | Commercial vehicle suspension assembly This invention relates to a commercial vehicle suspension assembly that includes an axle, a rack and pinion steering assembly, and a pivot mount assembly for connecting the rack and pinion steering assembly to the axle of the vehicle. The pivot mount assembly contro... | 02/19/2008 |
| 7185901 | Golf cart spindle A golf cart spindle to allow mounting of a larger wheel and tire combination on a golf cart. The spindle having a spindle body which includes a top end and a bottom end, the spindle body including a bolt channel between the top end and bottom end of the spindle body... | 03/06/2007 |
| 7017926 | Front-wheel suspension system using a steering gear frame A front-wheel suspension system comprises a steering gear frame, a control arm mounting connector, a lower control arm, a wheel carrier, and a damping device. The steering gear frame includes a front fixing plate and a rear fixing plate integrally formed on a front ... | 03/28/2006 |
| 6968919 | Cable type steering system A cable type steering system includes an operation cable having an outer tube and inner cable slidably received in the outer tube. A drive pulley coupled to a steering wheel for rotation and a driven pulley coupled to a steering gear box for steering wheels for rota... | 11/29/2005 |
| 6929083 | Shipping/operating envelopes for utility vehicles A utility vehicle is provided with a wishbone-shaped frame having a forwardly extending stem terminating rearwardly of the front axle of the vehicle to permit the orientation of the vehicle in a shipping envelope that is significantly smaller in length than the corr... | 08/16/2005 |
| 6874800 | Hospital bed wheel linkage apparatus A patient support including a linkage assembly providing communication between at least one front wheel and at least one rear wheel. ... | 04/05/2005 |
| 6793036 | Working vehicle with transverse system A working vehicle with a transverse system, wherein when a traveling mode is switched to transverse traveling, a switching valve is switched to feed a full flow of pressure oil from a hydraulic pump to a flow divider. The flow divider controls the flow to allow a sp... | 09/21/2004 |
| 6776425 | Vehicle axle The invention relates to vehicle axles. Self-steering axle systems are known and are adequate when the vehicle is moving forward but not when the vehicle is reversed. The invention avoids this by having a stub axle assembly located on a support by a first pivot the ... | 08/17/2004 |
| 6554298 | Steerable load-carrying assemblies A moveable load-carrying assembly including a chassis (1) having a plurality of wheels (6) arranged as a first wheel set and a second wheel set, each wheel (6) being rotatable and swivellable relative to the chassis (1); the wheels (6) of the first wheel ... | 04/29/2003 |
| 6402170 | Enhanced steering mechanism for utility vehicles A utility vehicle is provided with a steering mechanism that increases the turning angle of the steered wheels without requiring a lengthening of the wheel base of the vehicle. The steering mechanism includes a pair of bell cranks pivotally mounted to the... | 06/11/2002 |
| 6325396 | Steering assembly A vehicle steering assembly includes steerable wheels mounted on half fork members which are pivotally coupled the outer ends of an axle member. A rack and pinion assembly is attached to the axle member and has an input shaft coupled to a steering wheel, ... | 12/04/2001 |
| 6267198 | Offset kingpin for a rear steering axle on an agricultural combine The invention consists of an offset kingpin in the rear steering axle of a self-propelled combine harvester. Attached to the rear axle is a knuckle. The kingpin is pivotally attached to the knuckle and the spindle is rotationally attached to the knuckle. ... | 07/31/2001 |
| 6186266 | Steerable tag axle system A steering system (11) reduces the steering radius and minimizes tire scuffing is used with vehicles which include a front steering assembly having first and second wheels (20a, 20b) and a tag axle steering assembly having third and fourth wheels (21a, 21... | 02/13/2001 |
| 6135465 | Camera dolly A camera dolly has a steering unit which provides conventional, crab, and round steering modes, selected by the operator via use of a single steering/shifting handle. The steering unit includes first and second transmissions and a differential. Chains lin... | 10/24/2000 |
| 5890558 | All-wheel steering mechanism for a cleaning vehicle A cleaning vehicle including an all-wheel steering mechanism. First, second and third wheels are mounted to the vehicle for rotation about respective first, second and third rotational axes and for pivotal movement about respective first, second and third... | 04/06/1999 |
| 5704623 | Mobile camera crane base A mobile base for supporting a camera crane arm includes a chassis having front and rear pairs of wheels. Front and rear steering angle compensators are linked respectively to the front and rear wheel pairs. The compensators are pivotally mounted to the c... | 01/06/1998 |
| 5467500 | Steering mechanism for a cleaning vehicle A vehicle for moving in a longitudinal direction and cleaning a surface has a scrub brush, a cleaning fluid dispenser, a squeegee, drive means, and at least one steering wheel which is mounted to the vehicle such that it may be selectively turned for stee... | 11/21/1995 |
| 5364114 | Vehicle steering and suspension system A steering and suspension mechanism for use with a vehicle (1) and including a steering gear (14) interconnected to a steering wheel (8) through a series of universal joints (10, 11, 12, 13, 87). An output of the steering gear (14) is connected to a Pitma... | 11/15/1994 |
| 5263732 | Three wheel recumbent vehicle A short wheel base, three wheel recumbent vehicle comprising a main frame including a plurality of tubular members assembled in truss like fashion. A single rear drive wheel driven by a multi-speed chain drive pedal crank assembly mounted on extended fron... | 11/23/1993 |
| 5236059 | Steering mechanism for tractors or similar vehicles A novel front axle construction for tractors and similar vehicles to provide a short radius turning capacity. The axle is constructed so that it can be extended laterally of the tractor so that steered wheels can be turned more sharply than normal without... | 08/17/1993 |
| 5145198 | Method of controlling a transport means and a transport means A method of controlling a transport means (1) comprising a body (2) and wheels (3a to 3h) attached to the body (2) on both sides of its central line one after another in the longitudinal direction of the body, all the wheels (3a to 3h) being arranged to t... | 09/08/1992 |
| 5135064 | Remote steering of on-highway vehicles Motor vehicles in which steerable wheels aft of the front wheels are steered by the same steering wheel which steers the front wheels. In one aspect the present invention provides an extended motor vehicle thus steered, and in a second aspect a tractor-tr... | 08/04/1992 |
| 4999003 | Apparatus for steering front and rear wheels of a motor vehicle A front and rear wheel steering apparatus in a motor vehicle includes a front wheel steering mechanism and a rear wheel steering mechanism which are operatively coupled to front wheels and rear wheels rotatably supported on a vehicle frame for transmittin... | 03/12/1991 |
| 4963115 | Multipurpose container toy with mountable wheels A construction toy set whose main component is a cubical open-top box, the bottom and side walls of which are divided into quadrants, each having a keyhole therein and a coupling collar encircling the keyhole and projecting from the quadrant. Also include... | 10/16/1990 |
| 4934726 | Tracking trailer A steerable trailer to be drawn by a vehicle is disclosed having a pair of first and a pair of second steerable wheels. Each of the steerable wheels are retained by a wheel support which is rotatable relative to the trailer frame about a steering axis. A ... | 06/19/1990 |
| 4878683 | Unitary hub assembly The present invention relates to a unitary hub assembly for use in mounting a driven wheel on a steering knuckle of a vehicle. The unitary hub assembly has a hub adapted to be connected with a drive shaft and the driven wheel. A bearing assembly is connec... | 11/07/1989 |
| 4733742 | Two-wheeled steerable vehicle A two-wheeled, self-propelled and steerable vehicle especially designed for travel over varying terrain, including pavement, rough and rocky ground, under brush and areas dotted with water. The vehicle has a fore-and-aft body supported on front and rear w... | 03/29/1988 |
| 4619340 | High clearance self-propelled vehicle with variable clearance and variable wheel spacing A vehicle has a frame (2), wheel assemblies (3) connected to the frame, and a lateral support assembly (4) connected between each of the front wheel assemblies and the rear wheel assemblies. Each wheel assembly is pivotally connected by an upper pivot mem... | 10/28/1986 |
| 4589510 | Multiple wheel steering mechanism A multiple wheel steering mechanism is disclosed, wherein a single front wheel by way of example is steerable directly and carries a sideways extending lever, connected by means of a rod to a lateral extension of an intermediate lever in the rear, the con... | 05/20/1986 |
| 4586722 | All-wheel-steerable vehicle An all-wheel-steerable vehicle has two front wheels, two rear wheels, and a steering system for steering the front and rear wheels in interlinked relation. The front and rear wheels are steered in the opposite directions to each other, and the steering an... | 05/06/1986 |
| 4538824 | Steering device for vehicle A steering device for a vehicle having front and rear wheels. The device includes a front wheel turning mechanism operatively connected to a steering wheel and turning the front wheels at a steering angle proportional to a steering angle of the steering w... | 09/03/1985 |
| 4260174 | Hitch apparatus for a steerable towed vehicle A hitch apparatus for a towed vehicle having a frame and steerable front wheels includes an elongated tongue connected to the frame for pivotal movement about a horizontal axis. A coupling adapted for rigid connection to a towing vehicle is pivotally conn... | 04/07/1981 |
| 4225151 | Tractor with large caster angle to improve steering clearance An agricultural tractor with over-size front tires for use with a mechanical front wheel drive is provided with large caster angle front wheels to allow a front wheel to tuck under the tractor to achieve small radius turns.... | 09/30/1980 |
| 4212483 | Steering assembly for towed vehicles The steering assembly disclosed has means for sensing changes in both lateral offset and angle between a towed and a towing vehicle, means for generating angle and offset signals responsive to such changes, means for combining the angle and offset signals... | 07/15/1980 |
| 4171825 | Steerable towing device A steerable towing device having at least two wheels, a frame, a tongue having at one end a socket adapted for connection to a first ball on a towing means and having the other end connected to said frame, at least two axially aligned wheels, a steering a... | 10/23/1979 |
| 4070031 | Steering linkages A steering linkage for a wheeled trailer vehicle or implement comprising a frame, in which a bar is slidably mounted in a transverse frame member, the said bar having a rack formed thereon and in mesh with a pinion rotatble by a steering, or link, rod to ... | 01/24/1978 |
| 4004820 | Transport cart The wheels of the cart are arranged so that a front wheel and a rear wheel can be interconnected with each other and driven off a steering gear. Upon pivoting of the steering gear during turning of the cart, these front and rear wheels pivot in opposite d... | 01/25/1977 |
