Abstract: A dual-purpose exerciser includes an axle mounted on a frame section, a pair of pedal units coupled to the axle, and a drive wheel connected to the axle through a first one-way clutch such that the drive wheel is rotatable with the axle in a certain direction. A drive belt is trained on the drive wheel and a resistance wheel. A pull wheel on the axle is connected to the drive wheel through a second one-way clutch such that the pull wheel can drive rotation of the drive wheel. A pull rope is secured to the pull wheel.

Abstract: A combined cycling and stepping exerciser includes a base frame with an upright post, a drive wheel mounted on the base frame, a pair of elongated lever arms with front end portions pivoted to the upright post, a pair of slide seats, and pair of pedal arms disposed on the lever arms. Each of the lever arms has a longitudinal slide groove. Each of the slide seats is coupled to a respective crank arm of the drive wheel, and engages slidably the slide groove in a respective lever arm so as to be slidable along the slide groove. Each of the pedal members has a front end engaging slidably the slide groove in a respective lever arm. A pair of fasteners are operable for fastening rear ends of the pedal members selectively and respectively to the slide seats and to rear end portions of the lever arms.

Abstract: A combined cycling and stepping exerciser includes a base frame with an upright post, a drive wheel mounted on the base frame, a pair of elongated lever arms with front end portions pivoted to the upright post, a pair of slide seats, and pair of pedal arms disposed on the lever arms. Each of the lever arms has a longitudinal slide groove. Each of the slide seats is coupled to a respective crank arm of the drive wheel, and engages slidably the slide groove in a respective lever arm so as to be slidable along the slide groove. Each of the pedal members has a front end engaging slidably the slide groove in a respective lever arm. A pair of fasteners are operable for fastening rear ends of the pedal members selectively and respectively to the slide seats and to rear end portions of the lever arms.

Abstract: A pedal-type exerciser includes a first drive assembly having a first horizontal axle mounted rotatably on a rear end portion of a base, first and second drive wheels mounted securely and coaxially on the first horizontal axle, and a pair of first crank arms mounted securely on opposite ends of the first horizontal axle. A second drive assembly has a second horizontal axle mounted rotatably on a front end portion of the base, a third drive wheel mounted securely on the second horizontal axle, a transmission chain trained on the second drive wheel and the third drive wheel, and a pair of second crank arms mounted securely on opposite ends of the second horizontal axle. Each of a pair of elongate pedal members has a front portion with a distal end of a corresponding second crank arm mounted pivotally and slidably therealong, and a rear portion mounted pivotally on a distal end of a corresponding first crank arm.

Abstract: An exerciser with combined walking and stepping functions includes a base frame with an upright portion. A movable support is fulcrumed at the upright portion and has two ends alternately turnable upward and downward. Two pairs of front swing rods are connected pivotally to the ends of the movable support. The rear swing rods are connected pivotally to the upright portion. A pair of pedal rods are connected pivotally to the bottom ends of the front and rear swing rods. A first locking device is mounted on the upright portion to lock the movable support against movement relative to the upright portion so as to place the pedal rods in a walking exercise configuration in which the pedal rods are movable forward and rearward. The first locking device releases the movable support when the pedal rods are in a stepping exercise configuration in which the pedal rods are turnable upward and downward relative to the bottom ends of the rear swing rods.

Abstract: A pedal-type exerciser includes a base, first and second drive assemblies, a transmission chain, a pair of elongate pedal members and an elastic cord unit. The base has front and rear end portions. The first drive assembly has a first horizontal axle mounted rotatably on the front end portion of the base, a first drive wheel mounted securely on the first horizontal axle, and a pair of first crank arms mounted securely on opposite ends of the first horizontal axle. The second drive assembly has a second horizontal axle mounted rotatably on the rear end portion of the base and horizontally spaced from the first horizontal axle, a second drive wheel mounted securely on the second horizontal axle, and a pair of second crank arms mounted securely on opposite ends of the second horizontal axle. The transmission chain is trained on the first and second drive wheels.

Abstract: A pedal-type exerciser includes a first drive assembly having a first horizontal axle mounted rotatably on a rear end portion of a base, first and second drive wheels mounted securely and coaxially on the first horizontal axle, and a pair of first crank arms mounted securely on opposite ends of the first horizontal axle. A second drive assembly has a second horizontal axle mounted rotatably on a front end portion of the base, a third drive wheel mounted securely on the second horizontal axle, a transmission chain trained on the second drive wheel and the third drive wheel, and a pair of second crank arms mounted securely on opposite ends of the second horizontal axle. Each of a pair of elongate pedal members has a front portion with a distal end of a corresponding second crank arm mounted pivotally and slidably therealong, and a rear portion mounted pivotally on a distal end of a corresponding first crank arm.

Abstract: An exerciser includes a board, a pair of rocking members, and a transverse rod. A connecting tube is fixed to the board. Each end portion of the connecting tube has a hole. Each rocking member has an L-shaped rod, a coil spring member, and a handle which are connected to one another in sequence. Each of the L-shaped rods has a lower end which is inserted into the respective end portion of the connecting tube and which has two positioning holes that are aligned selectively with the hole in the respective one of the end portions of the connecting tube when the L-shaped rod is rotated respectively to first and second positions with respect to the board. Each of the L-shaped rods further has a locking pin which extends through the hole in the respective one of the end portions of the connecting tube and one of the positioning holes in the corresponding one of the L-shaped rods. The upper ends of the handles are connected detachably to the end portions of the transverse rod.

Abstract: An exerciser includes a base frame, a rotary plate, a driven rod and an elastic cord. The base frame has an upright rod, a transverse rod and two U-shaped clamping members. A plurality of adjusting pulleys are mounted to the upright rod. Each of the end portions and the intermediate portion of the transverse rod has a pulley. The rotary plate has a circular portion and an eccentric portion. The circular portion is mounted rotatably to a pivot shaft of the upright rod and has a plurality of positioning holes. The eccentric portion has left and right pulleys rotatably mounted to its rear side face. The driven rod has an upper end connected rotatably to the pivot shaft, a positioning pin extending slidably through the driven rod and extendible into one of the positioning holes in order to position the driven rod relative to the rotary plate at a selected angle, and a transverse bar connected to a lower end of the driven rod.

Abstract: A body exerciser includes a base, a backrest member, a pair of handle members, an angled cantilever, a footrest unit and two elastic cords. The base has a seat member and two pairs of guide rings mounted to the top and bottom portions of the base. The backrest member is connected pivotably to the base adjacent to the seat member. A U-shaped connecting member is fixed to the backrest member. The handle members are connected pivotally to the U-shaped connecting member. The cantilever has a lower section which is connected pivotably to the base and an upper section which is connected to the footrest unit. The elastic cords extend through the guide rings on the base and interconnect the U-shaped connecting member and the footrest unit. The exerciser may be used to perform sit-ups, crunches, leg extensions, curls and pectoral fly exercises.

Abstract: A leg exerciser includes a base, two posts fixed on the base, a handle fixed on upper end portions of the posts, two swing arms respectively pivoted to the posts, and two resistance adjusting mechanisms. Each of the mechanisms includes two adjusting rods and two resilient band units. The two adjusting rods are mounted pivotally on one of the posts. Each of the adjusting rods is pivotable about a horizontal axis and is locked on a selected one of several angular positions on a corresponding one of the posts. One of the two adjusting rods extends forward from a corresponding one of the posts while the other one extends rearward from the corresponding one of the posts. Each of the adjusting rods has an inner end portion which is pivoted to a corresponding one of the posts, and an outer end portion which is provided with a lower band retainer. Each of the band units is retained on an upper band retainer of a corresponding one of the swing arms and one of the lower band retainers.

Abstract: A body exerciser includes a frame body which has U-shaped first and second support frames that are connected pivotally to one another. A pair of walking units are connected pivotally to the branches of the first support frame by means of locking bolts and nut members. Tightening or loosening the nut members can increase or decrease the resistant force against the pivoting movement of the walking units. A resistant device interconnects the walking units and the first and second support frames in order to provide a given resistant force against the pivoting movement of the walking units. A U-shaped support member is mounted rotatably and lockably to the first support frame. An abutting plate is mounted to the U-shaped support member. A counting device is mounted to the body exerciser in order to count the number of the pivoting movement of the walking units.

Abstract: A body exerciser includes a frame body which has U-shaped first and second support frames that are connected pivotally to one another. A pair of walking units are connected pivotally to the branches of the first support frames by means of locking bolts and nut members. Tightening or loosening the nut members can increase or decrease the resistant force against the pivoting movement of the walking units. Two pairs of elastic bands interconnect the walking units and the first and second support frames in order to provide a given resistant force against the pivoting movement of the walking units. A U-shaped support member is mounted rotatably and lockably to the first support frame. An abutting plate is mounted to the U-shaped support member. A counting device is mounted to the body exerciser in order to count the number of the pivoting movement of the walking units.

Abstract: An exercise apparatus comprises a base and a transmission device. The base is provided with a plurality of support frames, one of which is provided with two locking shafts. The transmission device is mounted pivotally on the base and composed of movable support, transmission support, adjustment support, rest pad, leg pad, and elastic element. The user of the apparatus is capable of doing exercise for building the muscles of arms and legs.

Abstract: A hydraulic type stationary cycle exerciser includes a base frame. On a rear upper beam of the base frame there is mounted a seat support on which a seat is provided. A cylinder is pivotably mounted to a front upper beam of the base frame at one end thereof and a lever arm is fixedly mounted to a pivot point of the cylinder such that the lever arm follows the cylinder to pivotally move between a forwardmost position and a backwardmost position.

Abstract: A reticle assembly, exposure system, and method for exposing each of a plurality of levels of a single die or device dies of a semiconductor wafer to a pattern of radiation on a site-by-site exposure basis are disclosed. Radiation patterning means between a source of radiation and the semiconductor wafer pattern the radiation onto the semiconductor wafer and a stepping means incrementally moves the semiconductor wafer relative to the patterning means for exposing the device dies, one at a time, in succession. The patterning means includes a reticle assembly having a plurality of reticles arranged in a coplanar array with each reticle having a respective different die exposure pattern.