Abstract: A stationary exercise device having variable footpaths is disclosed. The exercise device includes a frame, a pair of supporting members that have a first end to rotate about an axis and a second end to move along a reciprocating path, a pair of pedals joined to the supporting members, and a guider assembly for adjusting an incline angle of the reciprocating path.

Abstract: The present invention relates to a standup exercise apparatus that simulates walking and jogging with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet where the pedal stride length is determined by the movements of an operator.

Abstract: An exercise apparatus including a frame, a flywheel, a drive unit for imparting rotation to the flywheel, a pair of crank arms, and a pair of hand pedals for rotating the crank arms. The drive unit is rotatably mounted to the frame to allow the operator to rotate the drive unit 180 degrees relative to the frame so that the hand pedals and crank arms are reversed when the drive unit is rotated.

Abstract: A rowing trainer includes a frame, and a seat affixed to the frame. A sliding rigger, which supports an oar assembly, is movable back and forth along the frame. The oars are indirectly connected to a cord which passes around at least one pulley, and which turns a flywheel. Neither the flywheel nor the seat translates relative to the frame. The only component which translates is the rigger and the associated oar assembly. The device closely simulates the experience of rowing an actual boat or scull.

Abstract: A control system and method for exercise equipment and the like provides a way to simulate a physical activity in a manner that takes into account the physics of the physical activity being simulated to provide an accurate simulation. According to one aspect of the present invention, the control system and method takes into account the physics of the corresponding physical activity to generate a virtual or predicted value of a variable such as velocity, acceleration, force, or the like. The difference between the virtual or expected physical variable and a measured variable is used as a control input to control resistance forces of the exercise equipment in a way that causes the user to experience forces that are the same or similar to the forces that would be encountered if the user were actually performing the physical activity being simulated rather than using the exercise equipment.

Abstract: An apparatus for simulating sculling or rowing on water includes a support frame with foot rests, a sliding seat, bilateral oars that are rotationally coupled to a set of actuators, integrated input velocity and torque sensors, computer and computer display. Each actuator incorporates a mechanical transmission, a rotational inertial mass, a variable linear and a variable non-linear damping element. The damping elements can be controlled manually or automatically by computer programs under user control.

Abstract: An exercise apparatus may include a frame. A crank system may be coupled to the frame. A brake/inertia device may be coupled to the crank system. A pivotal linkage pendulum system may be coupled to the crank system. The pivotal linkage pendulum system may include one or more link members. An upper pivot of at least one of the link members may be coupled to the crank system. In some embodiments, the upper pivot point of the at least one of the link members may be coupled to the crank system through a movable member. The upper pivot point may move in a closed path motion. A foot member may be coupled to one or more of the link members. The foot member may include a footpad. A majority of a path of motion of the footpad may be below the closed path during use.

Abstract: An exercise apparatus includes a frame for residing on a horizontal surface, a pair of arm-supporting members for supporting the user's arms and a pair of leg-supporting members for supporting the user's legs. A linkage assembly couples the arm-supporting members and leg-supporting members to the frame and moves the arm-supporting members and leg-supporting members in closed paths relative to the frame in response to user forces applied to the arm-supporting members and leg-supporting members. The linkage assembly includes actuators for adjusting dimensions of the closed paths in response to control signal inputs. Sensors mounted on the linkage assembly generate force-indicating signals representing one or more of the user force. A user interface receives and processes the force-indicating signals and supplies the control signal inputs to the actuators, wherein a dimension of at least one of the closed paths is a function of at least one of the forces applied to the leg and arm-supporting members.

Abstract: A combination of treadmill and stair climbing machine includes a single roller supported on a shaft between two lugs on two sides of the frame of the combination and two rear ends of two pedals are respectively connected to the roller and supported on the two lugs. Two front ends of the two pedals are respectively connected to two hydraulic cylinders. A switch member is pivotably connected to a front end of the frame and can be set in a horizontal position when the combination is used as stair climbing machine, and an inclined position when the combination is used as treadmill. An L-shaped plate is connected to the frame and each pedal has a connection plate which has two elongate holes in which two protrusions on each side of the L-shaped plate are movably engaged, such that the pedals are pivotably supported on the L-shaped plate when used as stair climbing machine.

Abstract: Controlling the operation of an exercise apparatus configurable to facilitate a combination of a substantially horizontal and a substantially vertical exercise motion. Such control functions provide for various exercise levels and/or programs and may utilize various mechanisms, sensors, and other control apparatus to control the operation of the exercise apparatus for various exercise routines.

Abstract: An exercise device includes a first treadle assembly supporting a first moving surface and a second treadle assembly supporting a second moving surface. The exercise device further includes an upper body exercise assembly operably associated with the exercise device. The first treadle assembly is pivotally coupled with the frame structure, and the second treadle assembly is pivotally coupled with the frame structure. In another form, an exercise device includes a frame structure, a first treadle assembly having a first endless belt in rotatable engagement with a first roller, a second treadle assembly having a second endless belt in rotatable engagement with a second roller, and a flywheel operably coupled with the first endless belt and the second endless belt.

Abstract: A crank assembly for fitness equipment includes a ductile spacer engaged between a crankshaft mounting surface and a crank arm mounting surface at the interface thereof and conforming respectively to each to maximize surface contact area to distribute loads across a larger area.

Abstract: A stationary exercise device with flexible support elements may include a frame with a base portion. A crank system with crank arms is coupled to and supported by the frame. Right and left pivotal linkage assemblies may each have an arcuate motion member and a foot support member. The arcuate motion member may be coupled to the frame. The foot support member may be coupled to the arcuate motion member. The arcuate motion member may be oriented in a generally vertical position and the foot support member may be oriented a generally horizontal position. Flexible element coupling systems couple the right and left foot support members to the crank system.

Abstract: The invention relates to a seating device having exercise functionality. In particular, the invention relates to a seating device that can be used as furniture as well as an exercising device. The invention further relates to a seating device having stretchable cords threaded through its framework. Furthermore, the invention relates to a seating device that has brackets attached to its framework to facilitate the movement of the stretchable cords when the seating device is being used for exercise purposes.

Abstract: A collapsible training device and method are disclosed. The training device is of the cycling type and may be fully folded into a relatively small and aesthetic stowing cabinet when not in use leaving the room free and nice or may be opened to a workout position when training is carried out.

Abstract: A push-up device has at least one tubular element, a spring means located inside the tubular element and providing a spring resistance, and a handle associated with the tubular element and a movable by a user against the spring resistance applied by the spring to provide exercising for a user.

Abstract: Provided is a chest expander including: a head having a spring installation part at which a spring is installed and arm connection parts installed at both sides of the spring installation part; a pair of arms pivotally coupled with the arm connection parts of the head at their upper ends; a spring member vertically installed at the spring installation part of the head, and converting movement of the pair of arms approached toward each other into a resilient force generated by compressing or extending the spring to vertically transmit the resilient force to the arms; a pair of links having first ends connected to each arm and second ends extending between the arms; and a spring operation part having a link connection part connected to the second ends of the links and compressing or extending the spring member using power added and transmitted to the link connection part through the links by the movement of the arms.

Abstract: The present invention provides for a variable stride exercise device having a variable size close curved striding path during use. The exercise device described and depicted herein utilizes various configurations of linkage assemblies, cam members, and other components, connected with a frame to allow a user to dynamically vary his stride path during exercise. An exercise device conforming to aspects of the present invention provides a foot path that adapts to the change in stride length rather than forcing the user into a fixed size path. A user's exertion level may have several components impacting the stride length provided by the machine, such as leg power, torso power, and (in embodiments with arm supports or exercise components) arm power. Other embodiments of the exercise device include a lockout device that selectively eliminates the variable stride features of the exercise device and allows the user to exercise in a stepping motion.

Abstract: A rocking type exercising apparatus includes a movable unit on which a user rides and a driving unit for causing the movable unit to perform a rocking motion. The driving unit includes a pitch driving part for causing the movable unit to rock in a forward/backward direction, a roll driving part for causing the movable unit to rock in a leftward/rightward direction and a yaw driving part for causing the movable unit to rotate about a vertical axis. When the movable unit is moved forward by the pitch driving part and is tilted to either the left or the right by the roll driving part, the yaw driving part rotates the movable unit in the same direction as the tilted direction of the movable unit.

Abstract: In accordance with the principles of the present invention, a pendulous exercise device is provided that comprises first and second swing arms pivotally coupled to a frame. The first and second swing arms extend from the frame at an angle from vertical. First and second footpads are provided pivotally coupled to the first and second swing arms, respectively. Each footpad defines a footpath comprising a forward/rearward component, an upward/downward component and an inward/outward component.