Abstract: A back support (1) for a pedal driven device or other device including a saddle which provides a seat for a user of the device, includes a mount (2) which may be releasably engageable with the device. A contact part (4) which is configured to contact the back of the user of the device, is movably mounted in operative connection with the mount in an articulated manner. The exemplary contact part includes a bracket (7, 20) that is rotatable relative to the mount about a bracket axis (14). The bracket operatively connects the mount and contact bodies (6, 23, 24, 26, 27, 31, 32). The contact bodies are movably mounted in rotatable operative connection with the bracket about respective contact body axes (9, 28, 30) which extend parallel to the bracket axis.

Abstract: A three-wheeled vehicle includes a vehicle frame supported by a single wheel engaging the ground in the front and two wheels engaging the ground in the rear. The operator area of the vehicle may include seating for a driver and a passenger, one in front of the other. The three-wheeled vehicle is uniquely designed so that it can be easily modified by addition or removal of additional structures after it is purchased. The vehicle is ultra-narrow but achieves stability by unique mechanisms.

Abstract: The present invention is a mechanism for adjusting backrest of a seat of a motorcycle that moves backrest towards and away from seat thereby adjusting sitting space as desired for different users. The mechanism includes a connecting bracket and a sliding bracket. Connecting bracket connects backrest and central bracket which is a part of the motorcycle that conventionally connects backrest to fender bracket disposed on a fender. Sliding bracket is connected at a bottom portion of central bracket and slides on fender bracket. When sliding bracket slides, central bracket and connecting bracket slides, thereby sliding backrest towards and away from seat of motorcycle. Thus, as desired space between backrest and seat can be increased or reduced to provide comfortable sitting on seat.

Abstract: The present disclosure is to improve workability of attaching and detaching a movable backrest to and from a seat body. A straddle type seat configured to support a rider seated to ride astride includes a seat body configured to support the seated rider, a backrest provided in the seat body, the backrest configured to support a rear portion of the rider, and a movable support device that supports the backrest movably with respect to the seat body. The movable support device has a stay portion attached to the seat body in a state where the stay portion is inserted through an insertion hole provided in the seat body, the insertion hole passing through in the up and down direction.

Abstract: A saddle device includes a first seat unit having a front mounting portion and a rear mounting end portion, a saddle unit having a front end edge unit and a top surface unit, and an elongate backrest including two spaced-apart long sides, and two spaced-apart short sides that are connected between the long sides, and removably mounted to a selected one of the front mounting portion and the rear mounting portion such that, when the backrest is mounted to the front mounting portion, at least one of the short sides is located in front of the front end edge unit, and when the backrest is mounted to the rear mounting end portion, at least one of the long sides is located above the top surface unit.

Abstract: A motorcycle backrest assembly includes a base assembly having first and second ends and a back rest rotatably connected to the first end of the base assembly such that the back rest is movable between first and second positions. A mounting plate has the second end of the base assembly rotatably connected thereto such that the base assembly is movable between first and second positions. The backrest assembly includes a first configuration as a passenger back rest where the backrest is in the first position and the base assembly is in the first position, and a second configuration as a driver backrest where the backrest is in the second position and the base assembly is in the second position.

Abstract: An improved removable seat back for a motorcycle including a cushion, a frame, the frame including an upper portion secured to the cushion and a lower portion having a pair of frame supports, and a pair of frame connection members. Each of the frame connection members includes a connection member upper portion and a connection member lower portion. The connection member upper portion is preferably rotatably secured to one of the frame supports with a pin and slot arrangement and the connection member lower portion generally includes a first securement point and a second securement point where at least one of the securement points is preferably a groove and one preferably includes a clip. When no longer needed, the seat back is removed by disconnecting the frame connection members from the motorcycle, rotating them and storing them in a saddlebag.

Abstract: A multi-configurable tour-pack and backrest assembly for a motorcycle is presented. The multi-configurable tour-pack and backrest assembly is adaptable to provide backrest support to a driver and at least one passenger. The multi-configurable tour-pack and backrest assembly comprises a frame structure, a slide deck housing, a left side pivoting means, a right side pivoting means, a left sliding mechanism, a right sliding mechanism and a control interface. The slide deck housing is mounted with a slide deck rail, a tour-pack and a backrest. The backrest and the tour-pack are designed to move along the slide deck rail to achieve a plurality of seating configurations such as a passenger supporting configuration and a driver supporting configuration. The control interface allows the multi-configurable tour-pack and backrest assembly to move between the passenger supporting configuration and the driver supporting configuration to provide the backrest support to the driver and the passenger.

Abstract: A kit for assembling a backrest on a saddle-type vehicle seat selectively connected to the frame and including at least one seat passage extending therethrough. A mounting plate is adapted to be disposed between the seat and the frame. An adapter, adapted to be connected to the mounting plate or integrally formed therewith, includes at least one adapter passage having an open end facing away from the mounting plate. An inverted U-shaped seat mount includes two posts and a connection member connected between their respective first end portions. A second end portion is adapted to be selectively received in the at least one adapter passage through the open end thereof. A back support is adapted to be pivotally connected to the seat mount. At least one fastener for attaching the mounting plate to the seat. Methods for assembling the backrest onto the seat are disclosed.

Abstract: Disclosed herein is a bicycle thrust apparatus coupled to a bicycle having: a frame, a front wheel having a front wheel axle coupled to a forward portion of the frame, a rear wheel having a rear wheel axle coupled to a rearward portion of the frame, a seat attached to the frame via a seat post. A thrust brace having a lower portion coupled to the frame adjacent the rear wheel axle is also disclosed wherein the thrust brace comprises an upper portion telescopically coupled to the lower portion such as to provide adjustability to the vertical and horizontal dimensions of the thrust apparatus. A cushioned back engagement pad may be utilized pivotably coupled to the upper portion of the thrust brace; and a cross member interconnecting the thrust brace and the bicycle frame at a location vertically above, and horizontally forward of the rear wheel axle.

Abstract: A backrest structure for a motorcycle that is structured to be simply movable, yet made inoperative at all times except when an occupant intends to move the backrest. A backrest is disposed on a seat rail and includes operation levers for raising and lowering the backrest. The operation levers are disposed in the seat rail disposed downwardly of an occupant's seat.

Abstract: A seat member for use with a child's scooter vehicle for preventing the unintended flipping over of the scooter. The seat member having a body portion having opposing top and bottom surfaces and front and back surfaces. The seat member includes a generally planar seat surface on the top surface of the body portion and a projection member provided on the top back surface of the body portion. At least a portion of the projection member extends into the generally planar seat surface configured to prevent a user from leaning too far backwards on the seat member thus preventing the unintended flipping over of the scooter.

Abstract: A motorcycle backrest assembly includes a base assembly having first and second ends and a back rest rotatably connected to the first end of the base assembly such that the back rest is movable between first and second positions. A mounting plate has the second end of the base assembly rotatably connected thereto such that the base assembly is movable between first and second positions. The backrest assembly includes a first configuration as a passenger back rest where the backrest is in the first position and the base assembly is in the first position, and a second configuration as a driver backrest where the backrest is in the second position and the base assembly is in the second position.

Abstract: An adjustable supporting bracket for a motorcycle backrest that may be disposed between a mounting bracket affixed to a motorcycle seat and a mounting bracket affixed to a backrest pad. The adjustable supporting bracket comprises an outer member and an inner member slidingly received within the outer member. The inner member has a hand retractable spring plunger whose tip is disposed to engage longitudinally arrayed recesses in the outer member in order to lockably fix the extension of the inner member. One of the outer member and the inner member is also provided with a tilt wheel disposed within a transverse slot in a lower portion of the member. The tilt wheel is threaded to receive a set screw that extends through the lower portion of the member to bear against the seat mounting bracket. The tilt wheel may be manually rotated to extend and retract the set screw, thereby allowing the user to determine the extent of backward travel of the backrest.

Abstract: A vehicle having an adjustable seating assembly and related method. One member of the seating assembly may be adjusted to provide a backrest to a straddle type seat of the vehicle. As such, when a carrier bed having an accessory platform is located rearward of the straddle type seat, the one member may optionally be used to provide a wall portion of the carrier bed. The one member may also be adjusted to provide an extension to the straddle type seat. When an accessory platform is located rearward of the straddle type seat, an additional member of the seating assembly may be adjusted to provide a backrest to one or more of the straddle type seat or an extended straddle type seat. The additional member may also be adjusted to form a segment of the accessory platform.

Abstract: A motorcycle backrest includes a base fender bracket, and a removable backrest portion. The base fender bracket is adapted to be rigidly secured to a motorcycle at a position residing over the rear fender. The base fender bracket includes first and second upstanding support plates, each including a hole. The removable backrest portion includes a cushion and first and second rearward extending plates each including a hole. A pin is configured to extend through the holes in the upstanding plates and through the holes in the rearward extending plates when aligned to thereby removably couple the removable backrest portion to the base fender bracket.

Abstract: A seat assembly for improving posture of a user comprises a substantially firm seat portion angled downwardly from rear to front, a back support extending upwardly in a rear area of the seat portion, a pad positioned on the back support and, the back support positionable at at least two locations for varying seat depth.

Abstract: A vehicle has a straddle-type seat disposed on a frame. The straddle-type seat has at least one seating portion. A steering device is disposed forwardly of the seat. Left and right side supports are disposed laterally of the seating portion. The side supports have respective support surfaces facing laterally inwardly. The left and right support surfaces move in a direction of a current lateral acceleration of the vehicle in response to a current lateral acceleration of the vehicle. The left and right support surfaces move in a direction of a current rotation of the steering device in response to a current degree of rotation of the steering device. The support surfaces move in a direction of the longitudinal centerline of the vehicle when a force is exerted thereon in a direction opposite a current lateral acceleration of the vehicle. A method of supporting a rider is also described.

Abstract: An adjustable supporting bracket for a motorcycle backrest that may be disposed between a mounting bracket affixed to a motorcycle seat and a mounting bracket affixed to a backrest pad. The adjustable supporting bracket comprises an outer member and an inner member slidingly received within the outer member. The inner member has a hand retractable spring plunger whose tip is disposed to engage longitudinally arrayed recesses in the outer member in order to lockably fix the extension of the inner member. One of the outer member and the inner member is also provided with a tilt wheel disposed within a transverse slot in a lower portion of the member. The tilt wheel is threaded to receive a set screw that extends through the lower portion of the member to bear against the seat mounting bracket. The tilt wheel may be manually rotated to extend and retract the set screw, thereby allowing the user to determine the extent of backward travel of the backrest.

Abstract: An exercise machine suitable for exercising a person's muscles contains a frame (100), a seat (102) situated over the frame, a seatback (104), a connection mechanism (106) for flexibly and adjustably connecting the seatback to the frame or/and the seat, and a pedaling mechanism (112) connectable to the frame. The pedaling mechanism has a pair of movable pedals (140) that revolve generally around a pedaling axis. The seatback is capable of swiveling.

Abstract: A vehicle having an adjustable seating assembly and related method. One member of the seating assembly may be adjusted to provide a backrest to a straddle type seat of the vehicle. As such, when a carrier bed having an accessory platform is located rearward of the straddle type seat, the one member may optionally be used to provide a wall portion of the carrier bed. The one member may also be adjusted to provide an extension to the straddle type seat. When an accessory platform is located rearward of the straddle type seat, an additional member of the seating assembly may be adjusted to provide a backrest to one or more of the straddle type seat or an extended straddle type seat. The additional member may also be adjusted to form a segment of the accessory platform.

Abstract: A bicycle rider seat brace for maintaining the buttocks of a bicycle rider in a stationary position on a racing bicycle seat during seated pedaling includes an elongate member for being attached to the bicycle at a position below the bicycle seat and having a rearwardly extending end positioned behind the bicycle seat, and a bracing element carried by the rearwardly extending end of the elongate member and positioned proximate a rearward most portion of the seat for engaging a central part of the buttocks of the rider and preventing the buttocks from moving rearwardly past the bracing element.

Abstract: An adjustable back support assembly with a cushioning pad for use with a motorcycle is disclosed. The angle of support is adjustable, and the back support and cushioning pad of varying sizes may be used with the assembly. The assembly is attached to the motorcycle using stock holes present in the rear fender and requires little or no disassembly of the motorcycle to install. The assembly is shaped to complement the styling of the motorcycle and is removable without damaging the paint or finish.

Abstract: The backrest for motorcyclists includes a base plate with a pivoting and telescoping strut extending from its forward end. The upper end of the strut has a cushioned seatback pivotally attached thereto. The strut is adjustable to optimize the seatback height. The fore and aft angle of the strut, and thus the angular position of the seatback, is adjusted by an adjustable stop at the base of the strut. The stop limits the rearward angular motion of the strut, but allows the strut to pivot forward against the seating surface to facilitate mounting and dismounting of the motorcycle. The base plate is removably secured to the seat by lateral straps that hook beneath the edges of the seat. The span of the straps may be adjusted by laterally telescoping strap brackets extending from the plate. The bottom of the plate is coated with a non-slip material for greater security.

Abstract: A backrest structure for a motorcycle that is structured to be simply movable, yet made inoperative at all times except when an occupant intends to move the backrest. A backrest is disposed on a seat rail and includes operation levers for raising and lowering the backrest. The operation levers are disposed in the seat rail disposed downwardly of an occupant's seat.

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: In one embodiment there is a lumbar support system for fitting on a motorcycle or other similar vehicle. There is a bracket for connecting the lumbar support to the seat pan. There is a mechanism for pivotably connecting the bracket to the lumbar support. There is a mechanism for connecting the seat pan adjustably to a rear fender of the vehicle. The height of the lumbar support may be adjustable. The pitch and lateral position of the support may also be adjustable. There is also an air cushion with multiple chambers disposed within a recess in the seat pan, such air cushion and seat pad being covered with foam and a leather, vinyl or other cover.

Abstract: An adjustable backrest assembly includes a backrest and a first frame member coupled to the backrest. The adjustable backrest assembly also includes a second frame member configured to be coupled with a motorcycle. The first frame member is slidable relative to the second frame member along an adjustment axis. The adjustable backrest assembly further includes an actuator movable in the direction of the adjustment axis or about the adjustment axis to selectively allow adjustment of the backrest relative to the second frame member along the adjustment axis.

Abstract: A snowmobile positions riders close to the center of gravity of the snowmobile, reduces jostling forces, and improves the comfort and ridability of the snowmobile. The snowmobile has a straddle-type seat assembly has three seat portions that are designed to accommodate one, two, or three riders. An adjustable backrest may be positioned to provide back support in a variety of seat configurations.

Abstract: A snowmobile straddle seat assembly designed to accommodate one, two or three riders. The seat may have a continuous surface including three seating positions thereon or it may include separate seat portions where the separate seat portions may be selectively removed to provide storage space and a variety of seat configurations.

Abstract: A support (10) for a backrest for a saddle-type seat (50) includes a pad mounting (11) secured to an in-use erect stem member (12) a part of which is, at a pivot location (18) remote from the pad mounting, pivotably secured to an indexing mount (19). The latter supports a cam (29) that is moveably engageable with the stem member (12), movement of the cam determining the part thereof that engages the stem member in order to cause the stem member (12) and the indexing mount to pivot one relative to the other in adjustment of their relative translational positions.

Abstract: An all terrain vehicle has a passenger seat directly behind the driver's seat. The passenger seat comprises a contoured seat portion that serves as a back rest to the driver's seat and a foldable back rest portion. The seat portion is linked to the back rest portion so that it retracts vertically when the back rest portion is folded down, so that the back rest portion is level with the rear cargo rack and able to carry a load of cargo. The back rest may be locked in both the upright and folded position. It may be contoured to provide back support to the driver while folded, and may have an auxiliary cargo rack in its rear face.

Abstract: An adjustable storage seat for recreation and utility vehicles is disclosed. The adjustable storage seat may be used for snowmobiles, watercraft, all-terrain vehicles, or other similar small vehicle intended for entertainment and transportation. The adjustable storage seat comprises a cushion mounted over a frame which is attached to the chassis of the vehicle. The seat is provided with an adjustable backrest which can be adjusted forward or backward in increments to increase the comfort of the rider when a button on the seat is pushed, but otherwise remains fixed in place. The adjustable backrest can also be removed from the seat to reveal a storage compartment after turning it 90 degrees. The seat may be provided with a lock to secure the storage compartment. Additional embodiments of the adjustable storage seat are convertible for one or two person use, and may be provided with internal storage or item racks.

Abstract: A motorcycle seatback and glove box assembly includes a mounting post having a lower end portion adapted to seat in a receptacle in a motorcycle seatback cushion member mounted on the upper end portion of the mounting post. The cushion member has a frame, cushioning material extending about the front and sides of the frame, and a flexible cover disposed over the cushioning material. A glove box is secured to the rear of the frame of the cushion member and includes a receptacle having an opening thereinto, a cover configured and dimensioned to cover the opening, and a hinge pivotally mounting the cover on the receptacle. Fasteners secure the receptacle to the frame of the backrest cushion.

Abstract: A combined second seat, backrest and luggage rack for a motorcycle which comprises a frame composed of a pair of tubular members, each in a mirror image of the other, mounted together by an adjusting link which provides for variable spacing of the side members of the frame. A hinge plate assembly composed of a pair of plates which are pivotally connected together is mounted on the frame with one plate not being mounted on the frame and that plate being movable between a position in juxtaposition with the plate that is mounted on the frame to a position that is transverse relative to the plate that is mounted on the frame. A cushion is to be mounted on this transverse plate and when that transverse plate is in its transverse position is capable of the unit being used as a backrest for an operator of a motorcycle, and when in juxtaposition with the plate that is mounted on the frame, this cushion is usable as a second seat for a motorcycle.

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: A motorcycle having a loading space for stably loading luggage. Luggage may be loaded onto a rear loading space with the luggage being fixed by fastening a rope to a grab rail. A seat back is provided that also functions as a passenger seat. When only one person rides, luggage can be loaded onto the rear space and can be fastened by hanging the luggage on a hook directly or indirectly using the rope. As the hook disappears when a seat back that also functions as a passenger seat is positioned to be substantially horizontal, the appearance quality is not damaged. Therefore, luggage can be stably loaded and a larger quantity of luggage can be carried by the motorcycle. Left and right slider are provided for permitting free longitudinal movement of the seat from a substantially horizontal position to a raised position.

Abstract: A motorcycle seating unit includes a seat and a backrest assembly. The seat has a front side and a top seating surface with an essentially horizontal orientation. The backrest assembly has a support arm and a back bar having an external surface. The support arm rotatably engages the seat at one end and engages the back bar at the other end. The backrest assembly has a first selective operational position characterized by an essentially vertical orientation and a second selective operational position characterized by an essentially horizontal orientation. In the second selective operational position, the external surface of the back bar is essentially even with the height of the front side of the seat to expose an essentially smooth continuous transition between the back bar and the seat.

Abstract: The present invention relates to a backrest, designed particularly for a BMW™ motorcycle, including a mounting bracket configured to conform to and fit between the rear edge of the driver's seat and the front edge of a passenger seat. The mounting bracket includes two ends each having a flange thereon that is secured to the motorcycle chassis with fasteners that typically fasten the passenger seat thereto. A height adjustable, hinged brace member connects a padded backrest to the mounting bracket.

Abstract: A back supporting device for a motor vehicle seat includes a pair of hollow left and right sliding rails that are disposed fixedly on two opposite sides of a passenger seat portion disposed immediately behind a driver seat portion. Two slidable elements are received respectively and movably within the left and right sliding rails. Two connecting members are connected respectively and fixedly to the slidable elements, and are disposed outwardly of the left and right sliding rails. Two supporting frames have lower ends connected respectively and pivotally to the connecting members. A backrest is retained on the supporting frames so as to permit the slidable elements to be moved forcibly within the left and right sliding rails. Preferably, the slidable elements are locked respectively and releasably within the left and right sliding rails.

Abstract: A motorcycle backrest adjusting system includes a motorcycle that has a seat and a pair of support bars that extend rearward from the seat. A pair of lower brackets is provided and each of the lower brackets is attached to one of the support bars. A pair of upper brackets is provided and each of the upper brackets is moveably coupled to one of the lower brackets. Each of a pair of guide tracks is attached to and extends along one of the upper brackets. A drive apparatus selectively moves the upper brackets with respect to the lower brackets. A control is operationally coupled to the drive apparatus. A backrest is mounted to the upper brackets and faces toward a pair of handlebars of the motorcycle. The backrest is selectively moved toward or away from the seat.

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: An adjustable storage seat for recreation and utility vehicles is disclosed. The adjustable storage seat may be used for snowmobiles, watercraft, all-terrain vehicles, or other similar small vehicle intended for entertainment and transportation. The adjustable storage seat comprises a cushion mounted over a frame which is attached to the chassis of the vehicle. The seat is provided with an adjustable backrest which can be adjusted forward or backward in increments to increase the comfort of the rider when a button on the seat is pushed, but otherwise remains fixed in place. The adjustable backrest can also be removed from the seat to reveal a storage compartment after turning it 90 degrees. The seat may be provided with a lock to secure the storage compartment. Additional embodiments of the adjustable storage seat are convertible for one or two person use, and may be provided with internal storage or item racks.

Abstract: A safety seatback for mounting to the rear of a watercraft is disclosed. The seatback rotates about the seat of the watercraft from an upright position to a boarding position. In the upright position the seatback prevents the passenger/rider from falling backward from the watercraft. In the boarding position the seatback does not interfere with a passenger/rider attempting to board the watercraft from the water and aids the person boarding the craft from the water. The seatback may be rotated by the passenger/rider from within the water or, in an alternate embodiment, may be remotely operated by the driver.

Abstract: A backrest-adjusting device for a bicycle is specially designed for persons who are handicapped or try to rectify the body, including a backrest adjusting set and a breast-support adjusting set for securing a rider on a bicycle stably by adjusting the position of the backrest and the waist pad and the torso supports according to the rider's body size. Then the rider can be protected from falling down to get wounded or injured, safely using the bicycle.

Abstract: A convertible motorcycle seat includes a backrest hinge assembly having a base plate secured to the rear portion of the platform, and an elongated pivotable arm having transversely spaced depending ears, a pivot member extending transversely of, and journalled in upstanding ears on the base plate. The pivotable arm is pivotable into an erect position extending generally vertically and into a collapsed position extending generally forwardly of the saddle. The depending ears have a cam surface including a pair of spaced recesses spaced arcuately about the pivot member with a convexly arcuate lobe therebetween. An indexing pin extends transversely of the base plate, and biasing means biases the indexing pin against the cam surfaces of the depending ears and into one of the recesses whereby the pivotable arm is firmly held in an erect position or in a collapsed position.

Abstract: A bicycle having a cruise control system and various components designed to prevent discomfort and fatigue are disclosed. The cruise control bicycle preferably includes a flexion handlebar, a parallel brake lever, a removable bicycle backrest, and an adjustable sun protector that attaches to the backrest.

Abstract: A motorcycle seating unit includes a seat and a backrest assembly. The seat has a front side and a top seating surface with an essentially horizontal orientation. The backrest assembly has a support arm and a back bar having an external surface. The support arm rotatably engages the seat at one end and engages the back bar at the other end. The backrest assembly has a first selective operational position characterized by an essentially vertical orientation and a second selective operational position characterized by an essentially horizontal orientation. In the second selective operational position, the external surface of the back bar is essentially even with the height of the front side of the seat to expose an essentially smooth continuous transition between the back bar and the seat.

Abstract: A safety seatback for mounting to the rear of a watercraft is disclosed. The seatback rotates about the seat of the watercraft from an upright position to a boarding position. In the upright position the seatback prevents the passenger/rider from falling backward from the watercraft. In the boarding position the seatback does not interfere with a passenger/rider attempting to board the watercraft from the water and aids the person boarding the craft from the water. The seatback may be rotated by the passenger/rider from within the water or, in an alternate embodiment, may be remotely operated by the driver.

Abstract: A back support for an ATV having a seat in front of a rear rack includes a base secured to the rear rack and attached to a back support through a rail. Optionally, a rail support connects to the base to the rail and a bracket attaches the back support to the rail. The angle, and optionally the height, of the back support with respect to the base is selectively adjustable, optionally over a continuous range, by changing the location where the rail attaches to the rail support. Optionally, the spacing between the back support and seat is selectively adjustable, optionally over a continuous range, by changing the location where the bracket attaches to the rail. Optionally, the base is held to the rear rack using float mounts positioned over the base and fasteners. Optionally, grip handles are attached to the base using grip mounts disposed thereon.