Abstract: A hand-grip accessory includes a body having a deformably resilient cylindrical shape provided with open end portions and an axial bore formed therebetween. The body further has separable longitudinal edge portions adapting the body between expanded and equilibrium arrangements such that the apparatus can be nested about a dumbbell. The accessory further includes a mechanism for tethering the body to a user's wrist such that the apparatus can be maintained within a restricted spatial distance from the user during operating conditions. The tethering mechanism includes a lanyard having oppositely situated looped end portions securely coupled to the body and removably positional about the user's wrist respectively. One of the looped end portions has a fixed diameter while another of the looped end portions preferably includes a coupling slidably mated to the lanyard.

Abstract: A weight container, which includes an adjustable calibrating bellow including two outer ribs and at least one inner rib; wherein the outer ribs may collapse and fold around the inner rib; a locking apparatus located adjacent to one outer rib; and a cover receiving apparatus located adjacent to the other outer rib. Further, a pair of weight containers may be connected to a crossbar to define an exercise apparatus. The weight container may further be adapted to engage a base to define a drinking apparatus.

Abstract: Weight bench having a frame that rests on the floor, a seat mounted on the frame, a backrest pivotally mounted on the frame to the rear of the seat for movement between horizontal, inclined, and declined positions relative to the seat, a plurality of resilient elements which can be selectively connected between the backrest and the frame for lifting the backrest toward the inclined position, a swinging arm pivotally mounted to the frame in front of the seat for movement between raised and lowered positions, a weight bar extending laterally from a free end of the swinging arm for engagement by the legs of a person doing leg exercises, a handle attached to the swinging arm for engagement by the hands of a person sitting on the seat for doing upper body and arm exercises, and weights stored in holders attached to the frame for attachment to the weight bar and for manual use in doing exercises that do not involve the weight bar.

Abstract: An adjustable kettlebell includes a threaded shaft having a narrowed neck segment formed on one end portion and having a base plate attached to the other end portion, two or more weight members each having a slot for receiving the narrowed neck segment of the shaft, and each having an enlarged opening communicating with the slot for receiving the shaft and for retaining the weight members to the shaft when the weight members are offset from the narrowed neck segment of the shaft, and a lock nut is engaged with the shaft for quickly retaining the weight members to the shaft after the weight members have been disengaged from the narrowed neck segment of the shaft.

Abstract: An adjustable dumbbell includes a handle having a narrowed neck segment formed on each end portion and having a base plate attached to each end portion, two or more weight members each having a slot for receiving the narrowed neck segment of the handle, and each having an enlarged opening communicating with the slot for receiving the handle and for retaining the weight members to the handle when the weight members are offset from the narrowed neck segment of the handle, and a lock nut is engaged with the handle for quickly retaining the weight members to the handle after the weight members have been disengaged from the narrowed neck segment of the handle.

Abstract: A fixed weight/permanent weight-lifting apparatus including dumbbells and barbells is provided that have an elongated shaft with a centrally located handle and ends having a smaller diameter than the handle, a pre-coated head welded to each of these ends with a centrally located channel connecting its inner face and its outer face and a counter bore machined into its outer face of the head forming an inner collar. The channel has a diameter sufficient to receive the portion of the end of said shaft that extends beyond the inner collar. Each of the inner collars are joined to that portion of the end that extends beyond the collar.

Abstract: This invention relates to a selectorized dumbbell having a handle that can be dropped down between nested left and right stacks of weight plates. The weight plates can comprise individual weights or a pair of weight plates, one from each stack, can be connected together to form a single weight. A selector is provided to allow the user to select a desired number of weight plates from each stack and couple such weight plates to the handle to provide an adjustable weight dumbbell. Each weight includes a weight frame having at least one carrier to which a commodity weight can be fastened. The dumbbell can be shipped by the manufacturer with empty weight frames to reduce shipping costs. When the dumbbell with empty weight frames reaches a destination, the dumbbell can be completed by securing commodity weights to the carriers on the respective weight frames.

Abstract: A dumbbell weight selection structure includes an extension rod disposed at any end of a handle unit. The extension rod is disposed with a selection unit, which contains a selection mechanism and multiple weight plates are disposed thereon. The selection mechanism includes a slide plate linked to drive the selection plate set to travel. A locking hole to insert by the selection plate set is disposed at where appropriately on each weight plate. The slide plate is moved to change connection of the selection plate set corresponding to the locking holes of multiple weight plates to select quantity of weight plates to be attached to the dumbbell as desired for achieving discretional adjustment of the overall weight of the dumbbell.

Abstract: A dumbbell of the present invention includes: a handle portion having a flattened cross section; and at least two weight portions provided at opposite ends of the handle portion. The handle portion is connected to an off-center position deviating from a center-of-gravity portion of each of the weight portions.

Abstract: A dumbbell comprises a bar that extends generally axially between opposing end regions, a weight plate mass mounted about the bar at each end region, means for retaining the mounted weight plate mass at the respective end regions to define a handle region axially inward of the end regions that can be gripped by a user during exercise movement of the dumbbell, means for mechanically securing the weight plate mass to the dumbbell, said bar extending sufficiently axially outward of the mechanically secured weight plate mass to accommodate an incremental weight plate mounted about the bar axially outward of the mechanically secured weight plate mass, means for magnetically securing a magnetically responsive incremental weight plate to the dumbbell via magnetic attraction unless the mounted incremental weight plate has been rotated about the bar to a decoupling position, and means for establishing a decoupling position in which there is no magnetic attraction between the mounted incremental weight plate and the du

Abstract: A dumbbell has a planar base allowing it to be supported in a stable manner upon the ground, for instance while the user holding a pair of dumbbells performs exercises such as push ups. A compliant sheet on the base provides a high friction slip-resistant face. A pair of flanges disposed on the base and protruding from the base for mounting a handle therebetween and the base has a waisted form. Weights are provided for adjusting the total mass of the dumbbell. Complementary tongue and groove couplers are provided on each weight and on the flanges whereby each weight is releasably fastened to the device.

Abstract: The invention relates to methods and an apparatus used to lift a barbell. In some embodiments, the invention relates to an apparatus having a centralized handle and opposing hooks extending away from and attached to opposing ends of said handle. In other embodiments, the invention relates to methods for attaching said hooks to a barbell to assist in the performance of weight-bearing exercise and lifting.

Abstract: An exercise grip and method for performing a low cable pectoral muscle development exercise is disclosed wherein the exercise grip is attachable to a cable weight system. The exercise grip includes a body substantially formed to receive thereon the palmer side of a human hand. The body has an upturned flange formed at an outer edge of the body to bear against the ulnar border of a human hand. An elongate finger grip extends from and is oriented substantially perpendicular to the upturned flange and is formed to accommodate the curled fingers of a human hand therearound. A thumb recess is adjacent to the finger grip opposite from the upturned flange for allowing a human thumb to bear thereagainst. A hook is affixed to the body proximate to the thumb recess to facilitate attachment to the cable of the cable weight system.

Abstract: A dumbbell is described including a handle having a grip and at least one end, an inner plate mounted on the handle adjacent the grip, in a fixed rotational orientation, a support plate rotationally mounted on the handle adjacent the inner plate, at least one collar rotationally mounted on the handle adjacent the support plate, and rotationally fixed with the support plate, a selector knob rotationally mounted on the handle adjacent the at least one collar, and rotationally fixed with the collar, a weight plate removably mounted on the handle adjacent the at least one collar, and a means for selectively securing the support plate to the inner plate to resist the rotation of the support plate, collar and selector knob with respect to the inner plate and handle.

Abstract: A dumbbell has a planar base allowing it to be supported in a stable manner upon the ground, for instance while the user holding a pair of dumbbells performs exercises such as push ups. A compliant sheet on the base provides a high friction slip-resistant face. A pair of flanges disposed on the base and protruding from the base for mounting a handle therebetween and the base has a waisted form. Weights are provided for adjusting the total mass of the dumbbell. Complementary tongue and groove couplers are provided on each weight and on the flanges whereby each weight is releasably fastened to the device.

Abstract: An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Knobs on the handle member have contoured bearing surfaces that bear against respective selector members to alternatively hold the selector members in weight engaging positions and disengaged positions.

Abstract: A fitness equipment includes a cord having two ends each provided with a handgrip, a cord mounting cap, a mounting sleeve, a snapping member, and two end caps. The mounting sleeve presses and locks the snapping member onto the respective end of the cord. The cord mounting cap receives the mounting sleeve and the snapping member and is removably mounted on the handgrip. Each of the end caps is removably mounted on the handgrip. Thus, each of the two ends of the cord is provided with a handgrip so that the fitness equipment can function as a jump rope, and the handgrip can be used individually to function as a dumbbell after the handgrip is detached from the cord.

Abstract: An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are rotatable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to the handle. The weight selectors selectively underlie peripheral portions the weights to secure the weights to the handle member. Different arrangements may be used to bias the weight selectors toward desired orientations relative to the weight plates, and/or to lock the weight selectors in desired orientations relative to the weight plates.

Abstract: An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are movable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to the handle. The weight selectors are routed through the hand grip portion of the handle member, and are accessible via upwardly opening slots in the weight plates. Different latching arrangements may be used to releasably latch the weight selectors in desired locations relative to the weight plates.

Abstract: An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are rotatable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to the handle. The weight selectors occupy respective upwardly closed notches in the weights to secure the weights to the handle member. Different arrangements may be used to bias the weight selectors toward desired orientations relative to the weight plates, and/or to lock the weight selectors in desired orientations relative to the weight plates.

Abstract: A dumbbell is described including a handle having a grip and at least one end, an inner plate mounted on the handle adjacent the grip, in a fixed rotational orientation, a support plate rotationally mounted on the handle adjacent the inner plate, at least one collar rotationally mounted on the handle adjacent the support plate, and rotationally fixed with the support plate, a selector knob rotationally mounted on the handle adjacent the at least one collar, and rotationally fixed with the collar, a weight plate removably mounted on the handle adjacent the at least one collar, and a means for selectively securing the support plate to the inner plate to resist the rotation of the support plate, collar and selector knob with respect to the inner plate and handle.

Abstract: Dumbbell handle bar assembly and method of production is presented, wherein the traditional way of machining down the thickness (exterior diameter) of a handle bar from that of the collar is avoided, resulting in substantial saving of material, such as steel or any metal alloy, and saving of time needed to machine off the amount of material, by using collar-nuts having inner threadlines that can be snugly fit to the threaded junction areas defining the central grip portion.

Abstract: A handle has opposed ends and a central extent. A grip rotationally receives the central extent of the handle. An adjustment wheel is secured to each end of the handle. A side cover is fixedly secured to each end of the grip. A dowel disk is on the handle adjacent to one side cover with fingers and spaces. A plurality of cam bits are supported on the handle. A safety lock is within the side cover adjacent to the dowel disk. The safety lock has a first end extent and a second end extent with a radial recess and a central extent with an axial projection. A coil spring within the radial recess urges the safety lock radially outwardly.

Abstract: An adjustable dumbbell assembly of the type including two sets of weights, each including a radial opening extending from a central area to a peripheral area and at least one transversely extending opening in the central area communicating with said radial opening, and a weight supporting assembly operable to selectively connect and disconnect the two sets of weights thereto on opposite sides of a centrally located handle. The weight supporting assembly on each side includes a fixed weight supporting structure, movable weight selector structure, and manually turnable actuating structure. The structures are interrelated with respect to one another, so that when the fixed structure is in an operative position with respect to the weights, manually turning the actuating structure in one direction moves the selector structure in one direction and manually turning the actuating structure in an opposite direction moves the selector structure in the opposite direction.

Abstract: A hygienic exercise equipment includes thermo plastic elastomer having a composition comprising bamboo charcoal powder, PVC, ZN-CA stabilizer, pour point depressant, ink and at least one of DOP and ATBC. Preferably, bamboo charcoal from 0.1% to 5%, PVC from 35% to 56%, ZN-CA stabilizer from 0.4% to 1.5%, pour point depressant from 0.5% to 1.5%, ink from 0% to 10%, and at least one of DOP and ATBC from 1.0% to 5%. The composition is mixed and tailored to various designs for different exercise equipment, different parts and different portion of the exercise equipment. The internal body in the weight trainer, due to being mixed with the solid powder, has an extremely high density ranging from 0.5 g/cm.sup.3 to 6 g/cm.sup.3, preferably ranging from 4 g/cm.sup.3 to 6 g/cm.sup.3, so the weight trainer can have a high weight, even if fitted into the internal body with small volume.

Abstract: Weight bench having a horizontally extending seat, an upstanding post at one end of the seat, a swinging arm pivotally connected to the upper portion of the post for movement between raised and lowered positions, a pair of leg rests extending laterally from the upper portion of the post, a weight bar extending laterally from a free end of the swinging arm, a plurality of weights interchangeably mounted on the weight bar, pads on the weight bar for engagement by the legs of a person doing leg exercises, and a handle attached to the swinging arm for engagement by the hands of a person sitting on the seat for doing upper body and arm exercises.

Abstract: Disclosed is a dumbbell of the type commonly found in a fitness center to be used as a weight training device during a weight training or exercise program. The dumbbell includes a gripping handle and a pair of collars fixedly connected to opposites ends of the handle. A series of weight plates having correspondingly different weights are adapted to be detachably connected to each other and to each one of the collars so as to enable a user to selectively and incrementally adjust the gross weight of the dumbbell to conform to his weight training program. Each weight plate carries a lock cartridge having an engagement pin moving therethrough between retracted and extended positions in response to a manual pushing force. In the extended position, the engagement pin of an additional weight plate is received within an engagement pin extension channel of an existing weight plate being carried by the dumbbell, whereby to prevent a disconnection of the additional weight plate from the existing weight plate.

Abstract: An exemplary incremental weight for an exercise system has a generally annular magnet encapsulated within a coating which cushions the magnet, protecting it both from becoming damaged, and from damaging an exercise apparatus, while promoting the adhesive properties of the magnet. In a first exemplary embodiment, the coating comprises a first annular rib and a second annular rib extending respectively about outer and inner peripheries of the generally annular magnet, and a plurality of ribs extending radially between the first and second annular ribs. The generally annular magnet, in exemplary embodiments, comprises at least one of a ceramic magnet, ferrite, or an alnico magnet. Exemplary coatings may be elastomeric, molded silicone, or anti-slip coatings. In another exemplary embodiment, a plurality of mounting pads are attached to a surface of said weight defined by an annular surface of said magnet.

Abstract: A multifunctional dumbbell assembly is provided, which comprises a dumbbell body and a handle strap which is detachably connected to the dumbbell body. The dumbbell body includes a handle, a first head and a second head. The heads are fixed to the opposite ends of the handle respectively. The handle strap includes a strap and two connectors which are connected to the ends of the strap respectively. Each of the first head and the second head includes: an end cover covering an end of the dumbbell body; a first coupling member having a central through hole and a cavity, an arc groove being formed in the cavity; and a second coupling member having clutch block (151) at one end, the shape of which is complementary to that of the cavity in the first coupling member, further having connector attachment portions, the second coupling member being also provided with a through hole. The dumbbell assembly is convenient and safe for use. In addition, it provides an additional exercise function.

Abstract: An exercising apparatus which comprises first and second sets of weights, each of which has an opening extending inwardly from a periphery thereof defined by opposed surfaces. An elongated tubular assembly is provided which has a longitudinal axis and includes exterior surfaces constructed and arranged to provide a central surface area configured to be manually engaged by a user and first and second surface areas on opposite sides of the central surface area configured to enter the openings of the first and second sets of weights into operative positions therein. The tubular assembly includes first and second sets of locking elements mounted within the first and second surface areas thereof for movement between weight releasing positions disposed within their respective first and second surface areas and weight locking positions extending partially outwardly of the respective first and second surface areas. The opposed surfaces of the weights have lock element receiving recesses therein.

Abstract: A weight selection and adjustment system for a selectorized dumbbell comprises a stand that holds a pair of selectorized dumbbells. The stand has an electric motor that is selectively energized by a controller for substantially simultaneously adjusting the weight of both dumbbells. The controller is responsive to a weight selection made by a user through a data entry device. The system can also be used with a single dumbbell placed on the stand. Alternatively, the electric motor can be mounted on the handle of a selectorized dumbbell to allow weight adjustment operations to be made without placing the selectorized dumbbell on a stand. In this embodiment, the data entry device and controller can also be carried on the handle of each selectorized dumbbell.

Abstract: Dumbbells that interconnect or stack upon each other without the need for a storage rack. The dumbbells include a top engagement member and a bottom engagement member, where the top engagement member is configured and shaped to accommodate and mate with the bottom engagement member. The top engagement member is preferably a protrusion having a generally flat face and a sloping sidewall, and the bottom engagement member is preferably a recess having a generally flat base and a sloping sidewall. The dumbbells may interconnect or stack flush with one another to form a column.

Abstract: At least two dumbbells are releasably connected to the axial ends of a barbell. The dumbbells include a dumbbell connector portion positioned axially on a weight of the dumbbell, and the barbell includes a barbell connector portion on the axial ends of the barbell. The dumbbell connector portion engages the barbell connector portion to connect the dumbbell to the barbell. The dumbbell connector portion can be received in a recess of the weight. The user selects two dumbbells of a desired weight and connects the barbell with the dumbbells. The device is then utilized for exercise.

Abstract: An adjustable kettlebell includes a carrier having two or more compartments for selectively receiving weight members, a handle attached to the carrier for carrying the carrier, and a retaining device rotatably attached to the carrier for selectively opening the opening of the carrier and for allowing the weight members to be engaged into the carrier, and for selectively closing the opening of the carrier in order to selectively retain either or all of the weight members to the carrier. The weight members may be easily and quickly and changeably attached to the compartments of the carrier without disassembling the carrier.

Abstract: A dumbbell is described including a handle having a grip and at least one end, an inner plate mounted on the handle adjacent the grip, in a fixed rotational orientation, a support plate rotationally mounted on the handle adjacent the inner plate, at least one collar rotationally mounted on the handle adjacent the support plate, and rotationally fixed with the support plate, a selector knob rotationally mounted on the handle adjacent the at least one collar, and rotationally fixed with the collar, a weight plate removably mounted on the handle adjacent the at least one collar, and a means for selectively securing the support plate to the inner plate to resist the rotation of the support plate, collar and selector knob with respect to the inner plate and handle.

Abstract: A hand-weight cradle apparatus includes a first cradle/base module which includes a base portion, a cradle portion, and base-to-cradle connection means connected between the base portion and the cradle portion. A second cradle/base module includes a base portion and a cradle portion, and base-to-cradle connection means connected between the base portion and the cradle portion, and a first bridge member is connected between the first cradle/base module and the second cradle/base module. A third cradle/base module can be provided which includes a base portion, a cradle portion, and base-to-cradle connection means connected between the base portion and the cradle portion. Also, a second bridge member is connected between the second cradle/base module and the third cradle/base module. The hand-weight cradle apparatus of the invention is especially useful for a person who is sitting on the seat of a wheelchair.

Abstract: A selectorized dumbbell has a handle that can be inserted into a gap between stacks of nested left and right weight plates that are provided in a plurality of nested weights. A selector determines how many left weight plates are coupled to the left end of the handle and how many right weight plates are coupled to the right end of the handle. A single left weight plate and a single right weight plate are interconnected together by an interconnection member of some type to form a single weight. The interconnection members of the different weights overlie one another and are provided with two arrays of a plurality of unique sets of holes and slots. A first connecting pin is inserted through the handle and through a selected set of holes and slots in the first array. A second connecting pin is inserted through the handle and through a selected set of holes and slots in the second array. The two pins together symmetrically couple the desired number of weights to the handle in a balanced fashion.

Abstract: A weight bar slide assembly, for use with weightlifting equipment having vertical guide bars that provide for an accurate simulation of the free weight lifting motion. The weight bar slide assembly has a weight bar sleeve to rotatably receive a weight bar. A rod is attached to the weight bar sleeve and extends outwardly therefrom. A rod sleeve rotatably receives the rod. The rod may rotate along its longitudinal axis inside the rod sleeve. The rod sleeve is attached to a vertical guide. The vertical guide is movably mounted to a vertical guide bar. The longitudinal axis rotation of the rod within the rod sleeve allows for the freedom of motion found in the free weight lifting motion. The weight bar slide assemblies attached to opposing ends of the weight bar may move linearly along the vertical guide bar independently of each other.

Abstract: A dual-purpose dumbbell has a bar, two weights and two adjusting assemblies. The bar has two ends. The two weights are mounted rotatably respectively on the ends of the bar and can be configured longitudinally or transversely relative to the bar. The adjusting assemblies are mounted respectively between the ends of the bar and the weights to allow the weights rotated relative to the bar. When the weights are configured longitudinally, the dual-purpose dumbbell is used as a dumbbell or a weighted baton. When the weights of the dual-purpose dumbbell are configured transversely, the dual-purpose dumbbell can be used as a handle for doing pushups. Since the dual-purpose dumbbell can be used as a dumbbell, a weighted baton and a handle for use when doing pushups, less space is required to store exercise equipment and less cost is incurred to procure the exercise equipment.

Abstract: A dumbbell system is provided including a body portion and a handle extending across an opening in the body portion. The dumbbell system is ideal for use in areas where space is limited.

Abstract: An exercise dumbbell has at least one weight selector that is rotatable into engagement with various combination of weights at opposite ends of the handle. On a first embodiment, first and second weight selectors are rotatably mounted on opposite ends of a bar for independent rotation relative to the handle. On a second embodiment, first and second weight selectors are keyed to a common bar and rotated together therewith relative to the handle.

Abstract: A dumbbell supporting apparatus having a matching pair of stanchions and a matching pair of stands, each stand for optional combined use with the castered stanchions. The adjustable height cradle positions of each stanchion position a removably placed dumbbell at least 25 inches outwardly from the upright of each stanchion, thereby providing clearance for exercise. Each stand can store weights, and each stand is selectively and elastomerically hooked to a stanchion, providing for stanchion retreat from an exerciser with the dumbbell lifted from the stanchion.

Abstract: An exercise device comprising a bar, a weight assembly, an end plate and a securing member. The bar comprises an end portion onto which the weight assembly is mounted. The securing member co-operates with the end plate to secure the weight assembly to the end portion of the bar. The end plate is rotationally fixed relative to the weight assembly to mitigate against loosening of the securing member during use.

Abstract: The present invention provides a weight exercise device for use with dumbbells. The weight exercise device is an elongated J-shaped device having a support member with an elongated belt passage at the top thereof. An elongated channel being the lower section of the J-shaped device is attached to the bottom of the support member for holding the dumbbell. The dumbbell retention means is either an integral part of the J-shaped device or is an separate device for removable placed thereon. The J-shaped device includes the means for attaching said support member to the user; a support member; the means for supporting a dumbbell, said dumbbell supporting means being attached to said support member; and the means for insuring the retention of said dumbbell in said dumbbell supporting means while being used by the user.

Abstract: A retention collar for securing weights to a barbell that includes two side plates with a pull bar and a cam lever. Two sets of pressure pins provide a frictional fit with the barbell when the collar is in its closed position, which is achieved by use of the am lever. The side plates are secured to each other by screws or rivets.

Abstract: An improved exercise device in the nature of a kettlebell. The device has a frame covered by a shroud that is configured to lessen the impact of the device on the user. There are a plurality of weights that can be easily attached and detached from the frame to increase or lessen the load to the user. The weights are designed so that they can be added or taken away without altering the center of gravity of the device or the external physical shape of the device. There is also a base that holds the device while the weights are being changed and which also interacts with the device to assist in that exchange. The attaching and detaching system includes a pin that is used to affix the weights to the frame. A dual locking system assures that the pin does not inadvertently come loose during use of the device.

Abstract: At least one set of weights is arranged into a stack for selective connection to a weight lifting member. On some embodiments, a vertical stack of weights is disposed beneath the weight lifting member, and at least one selector rod is rotatably mounted on the weight lifting member and selectively rotated into engagement with a desired number of the vertically stacked weights. On some embodiments, a horizontal stack of weights is disposed on opposite sides of the weight lifting member, and at least one selector rod is movably mounted on the weight lifting member and selectively moved into engagement with the desired number of horizontally stacked weights. The horizontal stack of weights may be used to supplement the vertical stack of weights, or on an independent exercise device, such as a dumbbell.

Abstract: An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are movable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to the handle. The weight selectors are preferably nested within respective ends of the handle member and accessible via upwardly opening slots in the weight plates.

Abstract: A hand weight with a central grip area and contoured opposing weight portions at the ends so as to convey a “Z”-shaped profile. The asymmetry of the hand weight results in a shape that is more open to accommodate a larger range of hand sizes and to more comfortably fit into the hand for a variety of holds. The shape of the end portions also results in an overall shape that is less obstructive of movements since it has a narrower profile when rotated appropriately. One of the ends is configured with a flat section to enable the weight to be positively and stably set on a flat surface and prevent rolling.

Abstract: A weight-adjustable dumbbell includes a dumbbell shell unit, a weight unit, and an insert pin unit. The dumbbell shell unit includes a shell body confining a receiving space, and a weight selector rod connected to the shell body, extending into the receiving space, and formed with through holes registered with insert holes in the shell body. The weight unit is extended removably into the receiving space via an open bottom of the shell body, and includes a base member provided with two positioning posts, and weight pieces stacked on the base member. Each weight piece is formed with a rod hole for extension of the weight selector rod, and two post holes for extension of the positioning posts. The insert pin unit includes an insert pin inserted removably into a selected insert hole and extending removably through a corresponding through hole in the weight selector rod.