Abstract: A treadmill includes a frame; a rotatable element coupled to the frame; a running belt at least partially supported by the rotatable element; and, a first element and a second element, both of which are coupled to the running belt. The running belt includes a running surface, at least a portion of which is curved. Further, one of the first and second elements and the running belt freely rotate in a first direction of rotation relative to the frame. However, in a second direction of rotation, opposite the first direction of rotation, the one of the first and second elements is substantially prevented from rotation relative to the frame to substantially prevent or resist rotation of the running belt relative to the frame.

Abstract: A treadmill is provided according to various embodiments herein. The treadmill includes a first rotatable element coupled to the frame; a second rotatable element coupled to the frame; an intermediate member coupled to the frame that is disposed intermediate the first rotatable element and the second rotatable element and coupled to at least one of the first rotatable element or the second rotatable element; a running belt disposed about the first and second rotatable elements, the running belt defining a non-planar surface; and a safety device coupled to the intermediate member. The safety device is operable to substantially prevent rotation of at least one of the first rotatable element or the second rotatable element in a first rotational direction and permit rotation of the at least one of the first rotatable element or the second rotatable element in a second rotational direction opposite the first rotational direction.

Abstract: A treadmill includes a frame; a running belt configured to move relative the frame; and a motor coupled to the running belt. The motor is operable in a plurality of user controlled operating modes. In a first operating mode, the force of rotation of the running belt is provided by a user of the treadmill. In a second operating mode, the motor applies a desired braking force to resist rotation of the running belt. In a third operating mode, the motor applies a torque output to the running belt based on a force exerted on the running belt by a user of the treadmill.

Abstract: A manually powered treadmill includes a frame; a first rotatable element coupled to the frame; a second rotatable element coupled to the frame; a plurality of bearings coupled to the frame; a running belt at least partly supported by the plurality of bearings, where at least a portion of the running belt defines a curved running surface; and a safety device coupled to at least one of the first rotatable element and the second rotatable element. The safety device is structured to substantially prevent rotation of the at least one of the first rotatable element and the second rotatable element in a first rotational direction and permit rotation of the at least one of the first rotatable element and the second rotatable element in a second rotational direction opposite the first rotational direction.

Abstract: A treadmill includes a frame having a front end and a rear end, substantially opposite the front end; a front shaft assembly coupled to the frame proximate the front end of the frame; a rear shaft assembly coupled to the frame proximate the rear end of the frame; a running belt disposed about the front and rear shaft assemblies; and a bumper coupled to the frame proximate the running belt such that the bumper is disposed between the running belt and the frame. In use, the bumper is configured to selectively restrict movement of the running belt towards at least a portion of the frame.

Abstract: A treadmill is provided according to various embodiments herein. The treadmill includes a frame; a front shaft coupled to the frame; a rear shaft coupled to the frame; and a running belt disposed about the front and rear shafts, wherein the running belt assumes at least a portion of a curved running surface, the curved running surface having a radius of curvature of approximately 88 to 138 inches.

Abstract: A device for therapy or exercise includes a frame, a base at least partially supporting and extending from the frame, a user support moveably coupled to the base and positioned adjacent the frame, a foot crank system coupled to the frame, a hand crank system coupled to the frame, and a motor coupled to at least one of the foot crank system and the hand crank system. The motor selectively powers the foot crank system and the hand crank system and is operable in an active mode and a passive mode.

Abstract: A treadmill includes a treadmill frame having a front end and a rear end opposite the front end; a pulley coupled to the treadmill frame; a running belt disposed about the pulley, the running belt defining a non-planar running surface; a motion restricting element coupled to the frame and configured to limit rotation of the pulley to only one rotational direction; and a brake coupled to the running belt and adapted to selectively restrict the speed of rotation of the running belt depending upon an established limit for a speed of the running belt.

Abstract: A treadmill includes a treadmill frame having a front end and a rear end opposite the front end; a front running belt pulley coupled to the treadmill frame at or near the front end; a rear running belt pulley coupled to the treadmill frame at or near the rear end; a running belt disposed about the front and rear running belt pulleys, the running belt adapted for rotation about the front and rear running belt pulleys and defining a non-planar running surface; and a brake coupled to the running belt and adapted to selectively restrict the speed of rotation of the running belt depending upon an established limit for the speed of the running belt.

Abstract: A treadmill is provided. The treadmill includes a frame; a first side support coupled to and extending substantially vertically upwards relative to the frame; a second side support coupled to and extending substantially vertically upwards relative to the frame; and a handrail assembly having a first side coupled to the first side support and a second side coupled to the second side support, each of the first and second sides of the handrail assembly comprising upper and lower members vertically spaced from one another and collectively providing a plurality of hand placement positions including at least two substantially horizontally aligned hand placement positions and at least one primarily vertically aligned hand placement position thereby allowing a plurality of exercises/uses of the treadmill.

Abstract: A handrail assembly for a treadmill is provided. The handrail assembly includes: a base having a first side and a second side; a first portion extending from the first side of the base; a second portion extending from the second side of the base; and a member coupled to the first portion and the second portion, the member including at least one lower section and at least one upper section. The base defines at least one compartment. At least a part of the member is configured to receive a pushing force from a user during use of the treadmill.

Abstract: A treadmill includes a frame; a running belt configured to move relative the frame; and a motor coupled to the running belt. The motor is operable in a plurality of user controlled operating modes. In a first operating mode, the force of rotation of the running belt is provided by a user of the treadmill. In a second operating mode, the motor applies a desired braking force to resist rotation of the running belt. In a third operating mode, the motor applies a torque output to the running belt based on a force exerted on the running belt by a user of the treadmill.

Abstract: A treadmill includes a frame; a rotatable element coupled to the frame; a running belt at least partially supported by the rotatable element; and, a first element and a second element, both of which are coupled to the running belt. The running belt includes a running surface, at least a portion of which is curved. Further, one of the first and second elements and the running belt freely rotate in a first direction of rotation relative to the frame. However, in a second direction of rotation, opposite the first direction of rotation, the one of the first and second elements is substantially prevented from rotation relative to the frame to substantially prevent or resist rotation of the running belt relative to the frame.

Abstract: An exercise and therapeutic device includes a treadmill comprising a running belt coupled to a treadmill frame and an offloading system coupled to the treadmill. The offloading system includes an air chamber surrounding the running belt adapted to be selectively inflated between a deflated condition and an inflated, operating condition, a user seal coupled to the air chamber, adapted to receive a user so that, in an operating condition, at least a portion of a user is received in the user seal and positioned within the air chamber and to seal the air chamber around the user, a pump operable to inflate the air chamber, at least one strap coupled to the treadmill frame and adapted to restrict the expansion of the air chamber and adjust a spacing of the user seal relative to a running surface of the running belt when the air chamber is inflated.

Abstract: A treadmill includes a frame and a running belt coupled to the frame. The running belt is configured to rotate relative to the frame. The treadmill includes a controller coupled to the frame, and at least one sensor coupled to the controller. The at least one sensor is configured to collect information regarding a rotation of the running belt and a use of the treadmill by a user including a cadence, a ground contact time, and a stride length of the user of the treadmill. The treadmill further includes a display device coupled to the frame. The display device is configured to display the collected information regarding the rotation of the running belt, the cadence, the ground contact time, and the stride length of the user of the treadmill. The at least one light source is configured to selectively emit a light regarding the treadmill.

Abstract: A treadmill includes a frame, a front shaft assembly coupled to the frame, a rear shaft assembly coupled to the frame and spaced apart from the front shaft assembly, a running belt disposed about the front and rear shaft assemblies, and a motor coupled to the running belt. In a first operating mode of the motor, the force of rotation of the running belt is provided by a user of the treadmill. In a second operating mode of the motor, the force of rotation of the running belt is provided by the motor.

Abstract: A treadmill includes a frame; a plurality of bearings coupled to the frame; a running belt at least partially supported by the plurality of bearings and adapted for rotational movement relative to the frame, the running belt having a running surface, at least a portion of which is curved; a braking system configured to selectively resist rotation of the running belt; a support element coupled to the frame; and a safety device coupled to the running belt. The safety device is at least partly supported by the support element. The running belt freely rotates in a first direction of rotation relative to the frame, however, in a second direction of rotation, opposite the first direction of rotation, engagement between the support element and at least a portion of the safety device substantially prevents rotation the running belt relative to the frame.

Abstract: An exercise and therapeutic device includes a treadmill comprising a running belt coupled to a treadmill frame and an offloading system coupled to the treadmill. The offloading system includes an air chamber surrounding the running belt adapted to be selectively inflated between a deflated condition and an inflated, operating condition, a user seal coupled to the air chamber, adapted to receive a user so that, in an operating condition, at least a portion of a user is received in the user seal and positioned within the air chamber and to seal the air chamber around the user, a pump operable to inflate the air chamber, at least one strap coupled to the treadmill frame and adapted to restrict the expansion of the air chamber and adjust a spacing of the user seal relative to a running surface of the running belt when the air chamber is inflated.

Abstract: A treadmill includes a frame. The frame includes a first side member, a second side member, and a cross-member coupled to and extending between the first side member and the second side member. The treadmill also includes a belt coupled to the frame and configured to rotate about the cross-member. The treadmill also includes a light source coupled to the first side member, the second side member, and the cross-member and a controller configured to control the light source.

Abstract: A treadmill includes a frame. A running belt is coupled to the frame so that the running belt is adapted for rotation relative to the frame. At least one sensor is adapted for collecting parameter information regarding the experience of a user of the treadmill. The parameter information is selected from the group consisting of the user's heart rate, total expended calories, stride length, stride force, cadence, pace, distance, resistance level, incline level, carver count, carver cadence, step count, ground contact time, relative position within a race, and relative position on the treadmill. The treadmill also includes at least one light source that is adapted to selectively communicate information to an instructor relating to the parameter.