Abstract: A frame of a bicycle includes: a seat tube having an enlarged portion formed in an upper part of the seat tube and connected with a main frame, a seat post movably disposed within the seat tube, a bicycle saddle mounted to an upper end of the seat post, and an adapter tube into which the seat post is inserted. In particular, the adapter tube includes a first clamp connected with the enlarged portion, a second clamp connected with the seat post, and a body connected with the first clamp and the second clamp.

Abstract: A process for producing a titanium load-bearing structure, which comprises cold-gas dynamic spraying of titanium particles on to a suitably shaped support member, and a titanium load bearing structure so-produced.

Abstract: A portable assistive lift comprising a vertical member comprising a handle bar and a central wheel controlled by the handle bar disposed at the top and bottom extremities thereof respectively, a pair of left and right support members, each of which comprising a horizontal top rod extending from the vertical member, a bottom rod comprising a side wheel receptacle for receiving a side wheel therewithin disposed at a distal extremity thereof and a connecting rod connecting the free and proximal extremities of the top and bottom rods respectively whereby, the vertical member and the top, bottom and the connecting rods from a U-shaped structure as viewed from top and a hook stand comprising a plurality of hooks about which a sling is coupled thereto wherein, the hook stand is adapted to be elevated and lowered.

Abstract: A bicycle seat height adjustment method is provided for changing a height of a bicycle seat. The method includes operating an operating device to output a seat raising command which is received by a motorized seat height adjustment mechanism to adjust the seat height. The method further includes releasing the operating device after the operating of the operating device. The method further includes raising the bicycle seat using the electric motor to a higher seat position that is higher than a previous seat position existing immediately prior to the seat raising command, the raising of the bicycle seat occurring only after the releasing of the operating device such that the bicycle seat remains stationary until the operating device is released.

Abstract: A method and apparatus for a seat post assembly that is adjustable to an upper, intermediate, and lower seat post position using a locking member and a sleeve member coupled to an actuator for securing and releasing an inner tube with respect to an outer tube. The actuator may move the sleeve member to release the locking member from engagement with the outer tube to adjust the inner tube and thus the seat post assembly to the upper, intermediate, or lower seat post positions. The actuator and the sleeve may be biased into an initial position that urges the locking member into engagement with outer tube to lock the inner tube to the outer tube.

Abstract: A multi-rider or occupant human powered vehicle permits at least one rider or occupant to contribute to powering the vehicle while being seated in a direction opposite to the direction of travel of the vehicle. By way of example, tandem bicycles are provided accommodating rearward-facing aft cyclists or rearward-facing fore cyclists. Other vehicles, such as tricycles, four-wheeled carts, and human powered watercraft, such as paddle boats, are also contemplated by the present invention. In one embodiment, a tandem bicycle with a rearward-facing occupant contributing to powering the vehicle via a single drive chain, belt, or shaft is disclosed.

Abstract: A bicycle seat height adjustment method is provided for changing a height of a bicycle seat. The method includes operating an operating device to output a seat raising or lowering command to adjust the seat height. The method further includes releasing the operating device after the operating of the operating device. If a raising command has been outputted, then the method further includes raising the bicycle seat to a higher seat position than a previous seat position existing immediately prior to the seat raising command after releasing the operating device. If a lowering command has been outputted, then the method further includes lowering the bicycle seat to a lower seat position that is lower than a previous seat position existing immediately prior to the seat lowering command after releasing the operating device.

Abstract: A vehicle seat (1) is provided with a base (3), which is connected to a vehicle structure (7). The vehicle seat (1) is adjustable at least between a use position and an easy-entry position. The vehicle seat (1) is guided displaceably in at least one track (5) with at least one first, straight area (15a) and at least one additional, curved area (15c). At least three rollers (17, 23, 23?) or link blocks are provided each per track (5). The three rollers (17, 23, 23?) support the vehicle seat (1) in the use position in the same at the track (5) and only two of the rollers (17, 23) or link blocks are arranged within the same track (5) in the easy-entry position.

Abstract: A combined seat with compression device for interactively actuating a sound effects unit incorporated into a ride on toy vehicle as a user bounces up and down on the combined seat with compression device. The toy includes a frame for a ride-on toy vehicle, a sound effects unit having a housing secured to the frame, a seat secured to the frame and movable between first and second positions, an actuating mechanism attached at the seat for engagement with the sound effects unit, and a deformable compression device positioned at the seat capable of depressing as the seat is moved from the first the position to the second position to interactively activate the sound effects unit.

Abstract: A multi-mode tandem bicycle includes a frame, a steering wheel, a directional wheel, a first pedaling member, a second pedaling member, a first seat, a second seat, a first transmission unit, and a second transmission unit. By pivoting at least one of the first seat and the second seat on the frame, direction of the first seat or the second seat can be changed and fixed on the aforementioned frame, and at least one of the first seat and the second seat is pointed toward and connected with the steering wheel, thereby resulting in a variety of riding modes.

Abstract: An exercise cycle includes a base frame having front and rear wheels and a seat slidably mounted thereon. A pair of pivotal foot pedals operate a steering mechanism to turn the front wheels toward the left or right. Between the foot pedals is a vertical support bar having a drive pawl at an upper end with a cable spirally wrapped thereabout. A handle affixed to the distal end of the cable is accessible by a rider resting in the seat. A drive chain encompasses a gear on a side of the pawl and a similar gear on the rear wheel axle. Accordingly, a rider sits on the seat, grasps the handle and places the feet on the foot pedals. By pushing with the legs and simultaneously pulling the cable, the rider propels the cycle while simulating the workout typically provided by a rowing machine.

Abstract: An adjustable bicycle seat which is supported on a seat tube. The seat is vertically adjustable and held in place by a clamp. A spring is located within the tubular seat frame. The lower end of the spring is supported within the tubular seat frame. A seat tube clamp is positioned about the tubular seat frame which adjustably holds the seat tube at a desired height. Means are provided for limiting the upward movement of the seat to retain the seat tube within the tubular seat frame.

Abstract: An improved human-powered engine which is actuated by forward and rearward movement of the body to cause extension of a resilient member which serves to provide driving motion to a wheel, propeller or the like.

Abstract: An improved semi-recumbent bicycle seat includes a frame having a main seat support tube and a steering mechanism including a front tire support fork. Front and rear wheels are mounted on the front tire support fork and on the frame. A bicycle seat is mounted above and forwards of the rear wheel, the bicycle seat including a bicycle seat frame, a seat base and a seat cushion. A seat back is adjustably mounted on the bicycle seat frame for adjustment of the height and spacing of the seat back relative to the seat base, and the seat cushion includes a generally flat planar front face and a forwardly tilted top surface which is tilted from horizontal between two and thirty degrees (2° and 30°). The bicycle seat frame is adjustably mounted on the main seat support tube free of any other support connection to the bicycle frame.

Abstract: This device is exercise equipment. It is a vehicle that is driven by arm and leg power. The device is a three wheeled vehicle that driven by the movement of the handlebars and the seat. The rider moves the handlebars and the seat back and forth. The handlebars are attached to the wheels by a set of pulleys. When the handlebars are moved back and forth they drive the wheels. The handle bars and the seat are attached to each other so that both the legs and the arm are exercised. Thus, an individual can ride around the town in his vehicle exercising his whole body.

Abstract: This invention A Push and Pull Vehicle by Stand-and-Sit Action provides a solid turning, fast reaction steering feeling as a regular bicycle while still able to push or to pull or do both to drive vehicle forward. It just works on opposite side force of pulling and pushing by stand-up and sit-down actions. It contains a handlebar with a steering column on steering, a treadle and a moving seat working together as leverage against each other, and with an increasing ratio device to magnify driving stroke and drives 2 one-way devices on rear wheel at a continuous cycle.

Abstract: A multi-mode tandem bicycle includes a frame, a steering wheel, a directional wheel, a first pedaling member, a second pedaling member, a first seat, a second seat, a first transmission unit, and a second transmission unit. By pivoting at least one of the first seat and the second seat on the frame, direction of the first seat or the second seat can be changed and fixed on the aforementioned frame, and at least one of the first seat and the second seat is pointed toward and connected with the steering wheel, thereby resulting in a variety of riding modes.

Abstract: An improved bicycle seat includes a seat base having a base plate and a seat cushion mounted on the base plate and a seat base mounting shaft mounted on and extending downwards from the base plate of the seat base. A seat back mounting shaft assembly is mounted on and extends rearwards and upwards from the seat base mounting shaft and the base plate of the seat base and a generally upright seat back is adjustably mounted on the seat back mounting shaft assembly for vertical and horizontal adjustment of the positioning of the generally upright seat back relative to the seat base. The seat cushion further includes a generally flat front face and a forwardly tilted top surface wherein the top surface of the seat cushion is forwardly tilted from horizontal between two and thirty degrees.

Abstract: In a rear luggage-carrier device for a motorcycle, in which a rear carrier disposed in the rear of a pillion portion for a tandem rider is supported by a pair of stays secured to left and right rear portions of a vehicle body, a backrest is supported on the stays so that it can be turned between an upright position and a housed position. In the upright position, the backrest is located above a rear end of the pillion portion such that it can contact from behind the waist of a tandem rider on the pillion portion. In the housed position, the backrest has been turned rearward from above a rear end of the pillion portion and housed in a front portion of the rear carrier so that luggage can be placed on the backrest.

Abstract: A wheelchair includes a seat frame having two transverse support rods, a foldable sunk-type seat module mounted on the seat frame and located between the two transverse support rods, a backrest frame having two upright support rods, and a foldable sunk-type backrest module mounted on the backrest frame and located between the two upright support rods. Thus, the backrest module may be mounted on and detached from the upright support rods of the backrest frame easily, rapidly and conveniently, and the seat module may be mounted on and detached from the horizontal support rods of the seat frame easily, rapidly and conveniently.

Abstract: A cushion assembly for seat post includes a hollow tube and a seat post is movably inserted in the hollow tube. A resilient member is inserted in the hollow tube and an end of the resilient member contacts the seat post. An adjusting member is adjustably inserted in an open end of the hollow tube and contacts the other end of the resilient member. The resilient member can be adjusted its compression by rotating the adjusting member.

Abstract: A ergonomic tandem bicycle suitable for riders with some limited physical capabilities. The ergonomic tandem bicycle includes an elongated frame with an angled steering column attached to the front portion that positions the front wheel substantially in front of the frame, and the handlebars towards the rear. A transmission assembly includes the necessary pedal sprockets, along with idler sprockets that maintain continuous contact between the sprockets and the long drive chain required with this type of design. The seat is positioned in such a manner so as to allow the riders to sit in a near vertical position.

Abstract: An exerciser includes a base having a handle and having a post for supporting a seat which is secured on and supported on a support. A pair of bars have the lower ends pivotally secured to the post and have the upper ends pivotally secured to the support, such that the support and thus the seat may be adjusted forwardly and rearwardly relative to the post and the handle with the bars. A lock rod is engaged through the support and one of the bars for locking the support to the bars. The bars each has a stop engaged with the support for sustaining the support and the seat in place.

Abstract: A locking device is adapted for releasably locking a seat post relative to a seat tube of a bicycle frame, and includes a tubular body with a lower surrounding member to be secured to the seat tube. An upper surrounding member extends upwardly to terminate at an upper surrounding edge, and has an accommodating space for the seat post, and a slit extending downwardly from the upper surrounding edge. A plurality of protuberances are disposed on and project radially and inwardly of an inner surrounding wall surface of the upper surrounding member, and are angularly displaced from each other. Right and left jaw members are respectively attached on the upper surrounding member, and are moved by a tightening member toward each other to narrow the slit so as to bring the protuberances to abut against the seat post.

Abstract: A wheeled vehicle that is convertible between a bicycle mode and a scooter mode. The cycle scooter includes a front wheel drive system with an operator seat that is movable between a lowered position that provides for comfortable operation of the vehicle in the bicycle mode, and a raised position for comfortable operation in the scooter mode. The frame includes rear and front portions that are pivotally attached and movable between a folded storage position and an extended operating position.

Abstract: A bicycle which can be driven either by conventional rotation of the pedals, or by reciprocating movement of the saddle on the seat post. The cycle includes two frame portions: a first fixed frame portion including an upright member extending from a drive wheel axle bearing, and a second movable frame portion including the seat post which has bifurcated arms driving transmission levers for turning the drive wheel.

Abstract: A seat mounting assembly permits the elevation of a wheelchair seat frame to be adjusted without varying the longitudinal relationship between the seat frame and the base frame of the wheelchair. The seat mounting assembly includes an adjustable link. The link has a first end and a second end. The first end is adapted to be connected to the wheelchair base frame. The second end is adapted to be connected to the wheelchair seat frame. One of the ends is longitudinally displaceable while the other end is vertically displaceable so that the longitudinal position of the seat frame with respect to the base frame remains constant upon adjusting the link.