Abstract: An electrically-powered linear motor for a whole body vibration (WBV) machine is disclosed for producing and imparting vibrations to a platform for supporting a user. The linear motor comprises one or more pairs of generally aligned coils for producing electromagnetic responses in one or more magnets, each disposed generally intermediate a pair of coils. Current is intermittently passed through the coils to produce vibrations within a desirable frequency range in the platform.

Abstract: A device for imparting vibration to a body is disclosed, such as may be used for whole body vibration treatment. In one embodiment, a pair of linear motors are disposed on a base. Each linear motor has a stator portion secured to the base and a moveable portion that linearly reciprocates with respect to the stator in response to a supplied current. A current source is electrically coupled to the linear motors for supplying alternating current to the linear motors. A controller is in communication with the current source for controlling movement of the linear motors at a selected phase relationship between the linear motors. A platform is coupled to the moveable portions of both linear motors using rigid rubber supports. The platform moves with respect to the base in response to movement of the linear motors. In a level mode, the dual linear motors are operated in phase, such that the platform remains level. In a tilt mode, the linear motors operate out of phase, imparting a vibrating tilt to the platform.

Abstract: An exercise machine includes a frame with a first axle rotatably about a first axis thereof and a pair of drive systems engage the first axle on opposite sides of the frame. Each of the drive systems includes a crank arm connected to the first axle for rotation about the first axis and a second axle defining a second axis and connected to the crank arm for rotation about the first axle. A lever arm is connected to the second axle for rotation about the second axis. A first link is rotatably connected at opposite locations thereon to the frame and the lever arm. A second link is rotatably connected to the lever arm opposite the first link. A third link is rotatably connected to the second link opposite to the lever arm and slidably engages the second axle.

Abstract: An elliptical trainer includes a frame having a post with two handles pivotally connected to the post. A rotary member is rotatably connected to the frame and a first roller and a second roller eccentrically extend from each of two surfaces of the rotary member. Two pedals are respectively connected to the two handles and movably engaged with respective the two second rollers. Two cables each have a first end fixedly connected to respective one of the two pedals and a second end of each of the two cables reeves through respective one of the two first rollers and is connected to the frame.

Abstract: An elliptical trainer includes a frame having a post with two handles pivotally connected to the post. A rotary member is rotatably connected to the frame and a first roller and a second roller eccentrically extend from each of two surfaces of the rotary member. Two pedals are respectively connected to the two handles and movably engaged with respective the two second rollers. Two cables each have a first end fixedly connected to respective one of the two pedals and a second end of each of the two cables reeves through respective one of the two first rollers and is connected to the frame.

Abstract: A resistance adjusting device for an exercise device includes a magnetic member connected to a surface of a wheel which is driven by a belt and has a shaft extending through a hub thereof. A disk is movably mounted to the shaft and a recess is defined in a first surface of the disk so as to receive a metal board therein which faces the magnetic member. A panel is mounted to the shaft and a cable extends through the panel and is fixedly connected to the disk. A spring is biased between the disk and the panel. The distance between the disk and the wheel is adjusted by pulling the cable. A resistance force between the magnetic member and the metal board is therefore adjusted.

Abstract: A treadmill includes two stands each having a transverse portion and a continuous belt is pivotally connected between the two stands. Each transverse portion has a recess defined radially therein for receiving a wheel therein. The two wheels each have a rotational axis perpendicular to the longitudinal axis of the transverse portion corresponding thereto so that the continuous belt can be folded between the two stands and the folded treadmill can be moved laterally by the two wheels.

Abstract: A foldable weightlifting bench includes a pair of supporting members each have a post and a transverse bar connected to a lower end of the post. A first connecting rod and a second connected rod are respectively connected between the two posts and the two transverse bars. A base member is pivotally connected to the first connecting rod and located between the two posts, the base member having a stand pivotally connected thereto. A retractable device pivotally connected between the second connecting rod and the base member. A link pivotally connected between the stand and the retractable device. The base member is pivoted about the first connecting rod and the retractable device is then extended to support the base member positioned at an upright position.

Abstract: A treadmill exercise device includes two side frames with a plurality of connecting bars connected therebetween. A board is disposed onto the two side frames. Two first supports are respectively disposed to two respective first ends of the two side frames and two second supports are respectively disposed to two respective second ends of the two side frames. A first roller is rotatably disposed between the two first supports and a second roller is rotatably disposed between the two second supports so that a belt is movably wrapped around the two rollers with the board disposed therebelow.

Abstract: An exercise machine has a frame with parallel rails and a glide board slidably mounted upon the frame and having a plurality of wheels defining concave surfaces in rolling engagement upon the parallel rails. The wheels have a relatively hard roller and an outer tire of resilient material defining the concave surface.

Abstract: A foldable weightlifting bench includes two supporting members each have a post and a base member is pivotally connected between the two posts. Each of the posts has a connecting member extending laterally therefrom and the base member has a tube formed to one end thereof so that the tube can be selectably connected between the two connecting members in a first and a second position by extending pins through different holes of the tube and the connecting members. The base member has a stand pivotally connected to the other end thereof so that when the base member is pivoted about the tube to an upright direction, the stand is hung on the second end of the base member by gravity.

Abstract: A foldable weightlifting bench includes a pair of supporting members each have a post and a transverse bar connected to a lower end of the post. A first connecting rod and a second connected rod are respectively connected between the two posts and the two transverse bars. A base member is pivotally connected to the first connecting rod and located between the two posts, the base member having a stand pivotally connected thereto. A retractable device pivotally connected between the second connecting rod and the base member. A link pivotally connected between the stand and the retractable device. The base member is pivoted about the first connecting rod and the retractable device is then extended to support the base member positioned at an upright position.

Abstract: An exercise apparatus includes a base, a substantially U-shaped member, and a substantially U-shaped handle element. The base can be configured as pair of individual foot members. The U-shaped member and handle element are pivotally connected to the base at different positions. A head rest is connected to the U-shaped member at a position intermediate the ends thereof. The pivotal connections can include a resistance producing element. A linking member is pivotally connected to each side of the U-shaped member and the U-shaped handle element. Adjacent sides of said U-shaped member and U-shaped handle are connected by the linking member. The position of the linking member can be adjusted as necessary in order to alter the angular disposition of the U-shaped member relative to the U-shaped handle element.

Abstract: A folding treadmill exercise device includes a frame adapted to extend in a substantially vertical direction during operation of the device and a substantially planar bed having a plurality of rollers and an endless belt disposed about the rollers. The bed is slidably and pivotally connected to the frame proximate a first end of the bed, wherein the bed is adapted to selectively slide along the frame and simultaneously pivot relative to the frame between a substantially horizontal operative position and a substantially vertical storage position. A lift assist mechanism adapted to urge the bed towards an upper end of the frame is provided to facilitate movement of the bed between its operative and storage positions. The bed may also be adjustably connected to the frame wherein height of the first end of the bed is selectively adjustable relative to height of a second end of the bed when the bed is in the substantially horizontal operative position.