Abstract: A dumbbell with a selectable number of weight disks includes a handle with pins projectable in opposing directions, a base assembly for accommodating two sets of weight disks standing upright, and having through-going openings. Neighbouring weight disks have mutually cooperating connecting arrangements which axially interconnect the weight disks but which permit radial separation. The projection lengths of the pins are stepwise selectable in order thereby to permit selection of the number of weight disks carried on the handle. The handle has, in opposing ends, connecting arrangements for interconnecting with the connecting arrangements of the innermost weight disks in the base assembly. Further, the space between the connecting arrangements of the handle is free through 360° about the handle throughout its entire length, the openings of the weight disks being centrally located.

Abstract: A dumbbell assembly includes a cradle shaped to receive a first dumbbell having a first weight set and a second dumbbell having a second weight set. The dumbbell assembly further includes an input mechanism in communication with a selection mechanism incorporated into the cradle where the selection mechanism is in communication with both a first selector arranged to adjust a first connection of the first weight set to the first dumbbell and a second selector arranged to adjust a second connection of the second weight set to the second dumbbell.

Abstract: The invention relates to a test body for checking the transmission properties of volume tomographs, in particular radiological tomographs, which comprises several plates (2) that are connected to form a stack, in which adjacent plates (2) contact each other and said body comprises spheres (4) made of at least one material that is different from the plates (2) and having different diameters, wherein the respective spheres (4) are arranged in and/or between at least some of the plates (2), and wherein on/in the test body, preferably in the stack, at least one rod-shaped hollow profile, in particular at least one pipe having a circular cross section, is arranged. The invention further relates to a method for checking the transmission properties of a tomograph using such a test body (1).

Abstract: An adjustable dumbbell system may include a handle assembly, at least one weight, at least one sensor, and a computing device. The at least one weight may be selectively fixedly connectable to the handle assembly. The least one sensor may be positioned on the handle assembly. The at least one sensor may be configured to detect a handle assembly attribute indicative of whether the at least one weight is fixedly connected to the handle assembly. The computing device may be in communication with the at least one sensor and may be configured to receive information regarding the handle assembly attribute from the at least one sensor.

Abstract: A weight selector apparatus includes a tube including a radially extending through opening, a body non-rotatably disposed inside the tube, a finger pivotably mounted on the body and adapted to be pivoted relative to the body between a first finger position inside the tube and a second finger position in which a portion of the finger extends outside of the tube through the radially extending through opening. A rod can be provided that has a finger engaging portion in engagement with a rod engaging portion of the finger, the rod being rotatable relative to the tube between a first rotated position in which the rod causes the finger to pivot to the first finger position and a second rotated position in which the rod causes the finger to pivot to the second finger position, and an arrangement for rotating the rod relative to the tube. A weight lifting arrangement including such a weight selector apparatus is also provided.

Abstract: A dumbbell with a selectable number of weight disks includes a handle with pins projectable in opposing directions, a base assembly for accommodating two sets of weight disks standing upright, and having through-going openings. Neighboring weight disks have mutually cooperating connecting arrangements which axially interconnect the weight disks but which permit radial separation. The projection lengths of the pins are stepwise selectable in order thereby to permit selection of the number of weight disks carried on the handle. The handle has, in opposing ends, connecting arrangements for interconnecting with the connecting arrangements of the innermost weight disks in the base assembly. Further, the space between the connecting arrangements of the handle is free through 360° about the handle throughout its entire length, the openings of the weight disks being centrally located.

Abstract: A weight plate for use in an adjustable weight set includes a weight plate member having a plate surface. A locking mechanism on the weight plate member secures the weight plate to another weight plate of the set. The locking mechanism comprises a plurality of spaced apart locking elements each being formed by at least one cut in the weight plate member. At least a portion of each locking element is displaced from the plate surface forming a slot behind the locking element. The slot receives a locking element on another weight plate of the set to secure the weight plate to the other weight plate. The locking elements are arranged relative to each other and to a centrally disposed hole in the weight plate for securely retaining the weight plate and the weight plates to each other.

Abstract: A weight apparatus includes a bar including a handle, an anchorage rotatably mounted to an end of the handle, the handle and the anchorage having an axially extending opening, a pinion gear rotatably mounted in the axially extending opening, a rod slidably disposed inside the axially extending opening and having a rack arranged to be moved axially relative to the axially extending opening upon rotation of the pinion gear, and a gear drive arrangement for rotating the pinion gear upon rotation of the handle relative to the anchorage.

Abstract: An adjustable dumbbell device includes a handle bar having two plates extended from end portions and two extensions, a number of weight members each having a groove and a passage, two blocks are secured to the extensions, two pairs of beams are secured between the plates and the blocks and engageable into the groove of the weight member, two latches are slidably engaged onto the extensions, two rods are secured to the latches for moving the latches relative to the beams, two catches are engaged onto the rods and biased to engage with the beams, and two weight elements are detachably attached to the blocks, the weight elements each has a weight of one half (½) of that of the weight member.

Abstract: A selectorized dumbbell comprises a handle assembly that comprises a generally triangularly shaped handle housing having an upwardly extending loop style handle in the manner of a kettlebell handle. The handle housing has angled side walls that provide surfaces on which the user's forearm can rest when doing certain exercises. The handle housing is hollow inside. A set of generally triangularly shaped add-on weights of progressively decreasing size can be nested inside one another with the set of weights being nested inside the handle housing. A repositionable connecting pin can be placed into different positions on the handle housing to selectively couple a desired number of the add-on weights to the handle housing.

Abstract: An exercise dumbbell includes a handle member and weights positioned at opposite ends of the handle member. An additional weight forms a box about the handle member and the end weights. At least one weight selector is movably mounted on the handle member to selectively engage the end weights. At least one connector is movably mounted on the box weight to selectively engage the handle member. A circuit includes at least one sensor that generates a signal that represents how much force is required to lift the handle member and any weights secured thereto, and a display that displays the force. At least one latch prevents movement of the selector and/or the connector when the handle member is removed from a support base for the weights and the handle member.

Abstract: A new weight for exercise and physical fitness is disclosed. The invention combines a kettlebell with the dumbbell, so a user can gain the swinging, aerobic benefits of a kettlebell and at the same time utilize the invention as a traditional dumbbell.

Abstract: New donning-actuated clips and other fastening and tightening techniques for garments are disclosed. In one aspect of the invention, a garment includes a self-contained fitting and fastening system that, preferably, is reversibly actuated by donning, and therefore requires no additional fastening or fitting step to use—a user need only don the garment in an ordinary fashion. In one embodiment, a lateral tightening and fitting mechanism is provided, which translates donning movements into fitting and fastening force via channeled bands, eliminating lateral play in the garment when worn. In other aspects, the fitting and fastening system is configured to aid in compressing and folding the garment when the system is released and the garment is removed by a user. The techniques of the invention are also applied in the context of sporting garments, such as running shoes, allowing a user to put on well-fitted shoes quickly, with easy entry, and no need for separate lacing or binding steps.

Abstract: The problems of efficiency and safety when exercising the pectoral muscles are solved in at least one aspect while maintaining low-complexity and portability by a free weight barbell with translating hand grips, with the grips having an integral weight application loading surface that moves with the grip. Provided is an exercise lifting bar having at least two hand grips, an integral loading surface for holding optional plate weights coupled to each hand grip, the paired or coupled grips and loading surfaces thereby defining a member; the members further being substantially cylindrical, collinear, and operable to translate relative to one another. Also included is a translation limiter to limit the motion between the members.

Abstract: A selectorized dumbbell has a plurality of nested weights which each have a box-shaped configuration comprising spaced left and right weight plates joined by planar, substantially imperforate, front and rear walls. The front and rear walls of the nested weights are very thin in comparison to the weight plates, extend over substantially the full height of the weight plates, and are joined to the weight plates along substantially their entire height. A selector comprises a pair of connecting members that coact between a handle of the dumbbell and upper portions of the front and rear walls of the nested weights to select a desired number of the weights for use with the handle depending upon the selected positions of the connecting members.

Abstract: A space frame apparatus for lifting plates of various weights and sizes is disclosed. This invention allows for weights to be quickly loaded and unloaded and secured to the apparatus.

Abstract: An apparatus includes a weightlifting bar. The apparatus further includes a set of cams each having an opening and a weight loading bar protruding therefrom and being substantially perpendicular to the cam, wherein each of the set of cams is suspending from the weightlifting bar. A linear bearing slidably engages with the weightlifting bar, and the linear bearing is fitted in the opening of the cam. A set of shaft collars secure the linear bearing in a position on the weightlifting bar between the set of shaft collars.

Abstract: A weight lifting system includes a handle unit having a handle bar, two head units attached to two end sections of the handle bar in a manner that allows the two head units to rotate about a longitudinal axis of the handle bar, two screw rods disposed through holes in the two head units into hollow sections in the handle bar, wherein the two screw rods have threads of opposite directions, two thread-engaging mechanisms fixedly disposed at the two end sections of the handle bar to fit snugly on the threads of the two screw rods, and a lock mechanism disposed in a head unit for controlling rotation of the handle bar; and a plurality pairs of weight discs, wherein each of the weight discs has a center hole configured to accommodate one of the two screw rods.

Abstract: The present invention relates to a new handle for adapting kettlebell weights and for new modes of lifting weights.

Abstract: A barbell assembly includes a bar and a weight subassembly adjacent each end of the bar. Each weight subassembly includes a wheel with a predetermined pattern of through holes and an inflatable component around the periphery of the wheel. A hub defines a flange having a plurality of through holes corresponding to the through holes on the wheel for securing the wheel to the hub with fasteners. The hub is secured to the bar with fasteners, or the flange is secured to the bar by welding or with fasteners. An outer end of the bar is provided with a U-shaped swivel having a hook that rotates freely relative to the outer end and the grip portion of the bar. The barbell assembly may be utilized to perform weight training exercises without causing damage to an exercise surface, and may be locked to an immovable fixture using a tether and a lock.

Abstract: A weight apparatus includes a bar including a handle rotatably attached to an anchorage. The anchorage includes a body and at least one radially extendable and retractable pin, the pin being movable relative to the body between an innermost position and an outermost position. An end of the pm extends radially beyond an external surface of the body when the pm is in the outermost position. The apparatus further includes a weight including a weight opening in which the anchorage is adapted to be received. The weight includes a radially extending pin opening adapted to receive the pin when the pm is in the outermost position to attach the weight to the anchorage. An arrangement is provided for driving the pm to the outermost position upon rotation of the handle relative to the anchorage.

Abstract: An adjustable barbell or dumbbell or exercise device includes a handle having an end member, a spring biased latching element engaged in the end member, a weight member attached onto the end member and having an aperture for engaging with the spring biased latching element and for anchoring the weight member to the end member, a button is slidably engaged in the weight member for selectively depressing the spring biased latching element into the end member and for disengaging the spring biased latching element from the weight member and for allowing the weight member to be engaged onto and disengaged from the end member of the handle. The other outer weight members are attachable onto the weight member in series.

Abstract: A barbell includes a bar assembly that includes a sleeve rotatably fitted over a rotating-locking mechanism at an end of a shaft; and an end cap attached to an open end of the sleeve to enclose the rotating-locking mechanism and the end of the shaft inside the sleeve, in which the rotating-locking mechanism includes a supporting ring rotatably fitted over the shaft and a joining ring attached to the end of the shaft, in which the supporting ring abuts, on one side, a shoulder on an inner surface of the sleeve and, on the other side, the joining ring.

Abstract: An exercise weight includes a weight member, a handle member spaced apart from and substantially surrounding the weight member, and at least one attachment member joining the weight member to the handle member so that the weight member is located inside the handle member. The exercise weight has a relatively narrow profile, or width, to avoid contact with the body during exercise.

Abstract: The means for securing weight plates (16) on weight rods (10?, 12) or holder bars provides at least one groove (14) formed in an end region (10?) of a weight rod (10?, 12) or in the holder bar. The weight plates (16) are formed with a radial protrusion (17) in their central bore, preferably extending over only a portion of the circumference. The diameter of the bore at the protrusion (17) is greater than the diameter of the end region (10?) of the weight rod (10?, 12) or holder bar axially next to the groove (14). The protrusion (17) falls into the groove (14) and prevents the weight plate (16) from slipping off the weight rod (10?, 12) or holder bar.

Abstract: The bar bell having a plurality of differently oriented hand grips integrated therein is composed of two generally parallel members defining a horizontal axis and in between a plurality of hand grips are provided at varying angles along a vertical axis. The hand grips can be used to conduct weight-lifting exercises involving multiple symmetrical and asymmetrical gripping patterns thereby forming different weight-lifting techniques and exercises. The two generally parallel members include protruding members extending from the respective distal end on which weights may be added and locked in place via a screw lock. The two generally parallel members may include a track therein so as to enable movement of the hand grips along the horizontal axis.

Abstract: Embodiments of a spring collar are provided for removably securing a disc weight to the sleeve of a barbell, as are embodiments of a magnetic spring collar attachment and associated methods. In one embodiment, the spring collar includes a resilient wire form having a permanent magnet mounted thereto. The spring collar includes a coiled body having a central aperture, and first and second radial arms extending from the coiled body. The first and second radial arms can be moved toward one another to increase the diameter of the central aperture and permit a user to slide the coiled body over the sleeve. The permanent magnet enables a user to removably secure the spring collar to a ferromagnetic surface when the spring collar is not in use.

Abstract: A therapeutic exercise device includes an elongated, hollow tube having a sleeve slidably and rotatably mounted thereon. The sleeve is held on the tube by a pair of opposing retainers, each having a rounded end cap attached thereto. Either cap is removable to expose an interior chamber for receiving a desired number of weighted cylinders that vary the overall weight of the tube. Accordingly, a user loads the chamber with a desired number of weighted cylinders and grasps the tube with one hand. The sleeve is grasped and reciprocally rotated with the other hand to exert the hand, wrist and forearm muscles.

Abstract: A weightlifting barbell includes a steel shaft and sleeves constructed of engineered plastic (e.g., POM, Teflon®, Nylon, UHMW, and the like). The engineered-plastic sleeve is relatively light weight and provides impact strength suitable for executing weightlifting exercises.

Abstract: The present invention is a progressive multi-purpose exercise device, which can be configured as 1) an exercise ball (no handles), 2) a kettle bell (one handle), 3) a medicine ball (two opposing handles), 4) a kettle bell-2 (two handles and 90 degrees) and 5) a rope attached ball with stretch cord and/or rope. For illustration purposes, it may be comprised of a series of elements and systems including, but not limited to, a Connection System, an Attachment Technology System, a Progressive System and a Retainment System with a top hemisphere, a bottom hemisphere, a series of circular weighted discs, a variety of single slot handles or double slot handles and an alignment shaft. The user friendly system allows any user to easily add or change handle configurations and add or change weights for a wide variety of over sixty different combinations of fitness equipment described herein.

Abstract: A weight training barbell system provides modifiable barbells that facilitate the attachment of plate weights, various elastic straps, inelastic bands, handles, grips, and connectors, in a compact space saving design. The weight training barbell system incorporates various features that allow it to perform specialized exercises that provide same or greater intensity from a workout using lower weights. The weight training barbell system accomplishes this through the use of specialized components that permit a user to redistribute weight along the length of the bar and components that add resistance, in more than one direction, while lifting the bar. The weight training barbell system can be utilized to perform compression lifting exercises, offset lifting exercises, and self spotting exercises.

Abstract: A weight apparatus includes a bar including a handle rotatably attached to an anchorage. The anchorage includes a body and at least one radially extendable and retractable pin, the pin being movable relative to the body between an innermost position and an outermost position. An end of the pin extends radially beyond an external surface of the body when the pin is in the outermost position. The apparatus further includes a weight including a weight opening in which the anchorage is adapted to be received. The weight includes a radially extending pin opening adapted to receive the pin when the pin is in the outermost position to attach the weight to the anchorage. An arrangement is provided for driving the pin to the outermost position upon rotation of the handle relative to the anchorage.

Abstract: A weight plate is added to the exterior of the weight plate mass of a weight plate device so that a magnetic pole region carried by the added weight plate is magnetically coupled to the weight plate mass to magnetically secure the added weight plate to the dumbbell. When decoupling is desired, the added weight plate is rotated with respect to the weight plate mass to bring the carried magnetic pole region into alignment with a magnetically non-attracting portion of the weight plate mass so that the added weight plate can be removed from the weight plate device without overcoming the magnetically-securing coupling force. In a variation of the method, the added weight plate is rotated to bring its carried magnetic pole into sufficient alignment with a pole of like polarity carried by the weight plate mass so that the added weight plate is magnetically repelled.

Abstract: An exercise weight includes a weight member, a handle member spaced apart from and substantially surrounding the weight member, and at least one attachment member joining the weight member to the handle member so that the weight member is located inside the handle member. The exercise weight has a relatively narrow profile, or width, to avoid contact with the body during exercise.

Abstract: A lockout mechanism for a selection mechanism on an exercise machine, the selection mechanism being associated with a carriage for selectively carrying load. The carriage may include a support system adjustable by the selection mechanism for adjusting the amount of load to be carried. The lockout mechanism may include a lockout member configured to prevent adjustment of the selection mechanism during exercise.

Abstract: A a robust weight plate of a size similar to industry-standard components integrated with a retaining mechanism capable of engaging an industry-standard weight bar to form a barbell or a dumbbell assembly.

Abstract: An exercise dumbbell includes a handle member and weights positioned at opposite ends of the handle member. An additional weight forms a box about the handle member and the end weights. At least one weight selector is movably mounted on the handle member to selectively engage the end weights. At least one connector is movably mounted on the box weight to selectively engage the handle member. A circuit includes at least one sensor that generates a signal that represents how much force is required to lift the handle member and any weights secured thereto, and a display that displays the force. At least one latch prevents movement of the selector and/or the connector when the handle member is removed from a support base for the weights and the handle member.

Abstract: A forearm exerciser apparatus that includes a box-shaped member having a pulley assembly disposed thereupon, said pulley assembly in operational communication with a bottom pad suspended within said box-shaped member by means of a cable, said bottom pad configured to receive extant weights additional thereto, wherein said bottom pad is liftable when the pulley assembly is moved between a first position and a second position, whereby the flexor and extensor muscles used to open and close a hand are strengthenable thereby.

Abstract: A locking mechanism for a shaft provides secure frictional engagement to the shaft while manually operable to be removed from the shaft. There is a first cylinder allowable to slide freely on the shaft. One or more holes retaining one or more balls allow a projection of the balls into an interior of the first cylinder. A tensioning ring (second cylinder) partially overlaps the first cylinder, retains the balls within the holes, and has at least a portion of the inside diameter increasing in diameter. A biasing mechanism acts against the second cylinder to urge the balls into the first cylinder interior to frictionally engage the shaft. Two release mechanisms movable with the biasing mechanism manually actuated against the bias move the second cylinder to allow the balls to freely move within the holes and the locking mechanism to be slid onto and removed from the shaft.

Abstract: A locking mechanism for a shaft provides secure frictional engagement to the shaft while manually operable to be removed from the shaft. There is a first cylinder allowable to slide freely on the shaft. One or more holes retaining one or more balls allow a projection of the balls into an interior of the first cylinder. A tensioning ring (second cylinder) partially overlaps the first cylinder, retains the balls within the holes, and has at least a portion of the inside diameter increasing in diameter. A biasing mechanism acts against the second cylinder to urge the balls into the first cylinder interior to frictionally engage the shaft. Two release mechanisms movable with the biasing mechanism manually actuated against the bias move the second cylinder to allow the balls to freely move within the holes and the locking mechanism to be slid onto and removed from the shaft.

Abstract: Variations of an improved weight bar clamp are disclosed herein. A weight bar clamp includes a collar with two opposing walls that extend from a common end. The collar may be a one-piece collar or a multi-piece collar. The opposing walls may also include an arced interior surface and a plurality of structural ribs. The structural ribs extend in an arc partially between the common end and a terminating end of each opposing wall. The weight bar clamp may further include a biasing member that biases cam halves coupled to the opposing walls away from one another. The clamp further includes handle coupled to the cam halves. The clamp includes a cam opening configured to allow the cam halves to separate in an open position and push the cam halves toward each other in a closed position.

Abstract: A weight plate system for a barbell or dumbbell includes a first plate adapted to be mounted directly on the bar of a barbell or dumbbell, with the plate having an outer perimeter spaced outwardly from the bar when mounted thereon. A second plate includes a center hole adapted for receiving the outer periphery of the first plate whereby the second plate is mounted in concentric relationship with the first plate. The center hole of the second plate defines an inner periphery of the second plate which is mated with the outer periphery of the first plate. The adjacent first and second plates have seating channels on the outer and inner periphery, respectively, for maintaining the plates in seated relationship. A locking system maintains the plates in the assembled relationship. Multiple plates can be mounted in concentric relationship in this manner.

Abstract: A weight training device with tire weights has a gripping handle, two inner retaining panels separately mounted on the gripping handle, two outer retaining panels each respectively mounted beside a corresponding one of the inner retaining panels, and multiple tire weights mounted and held between each outer retaining panel and the corresponding inner retaining panel. Each tire weight is made of elastomer and is filled with multiple grains, such as sand, iron sand or the like, in order to have a required weight. When the weight training device with the tire weights is dropped from a high place to a plane, the elastic tire weights do not damage the plane or injure surrounding people. Moreover, people walking by would not get hurt or injured when accidentally kicking against the weight training device with the tire weights.

Abstract: A dumbbell apparatus which is adapted with a series of weight plates, the number of which can be safely and reliably adjusted with a single simple motion. The apparatus comprises a cradle for storing and deploying the apparatus, weight plates, and a handle apparatus which has two spline bolts which support the weight plates and are used to simultaneously be adjusted by means of an adjusting pin which moves the spline members together through a motion transmitting gear. The apparatus may be further enhance with permanent weights and gripping options.

Abstract: An adjustable weight kettlebell includes a weight lifting member that rests on top of a vertical stack of weights. A weight selector is rotatable into and out of underlying engagement of the weight plates to secure a desired amount of mass to the weight lifting member.

Abstract: A weight apparatus includes a bar including a handle, an anchorage rotatably mounted to an end of the handle, the handle and the anchorage having an axially extending opening, a pinion gear rotatably mounted in the axially extending opening, a rod slidably disposed inside the axially extending opening and having a rack arranged to be moved axially relative to the axially extending opening upon rotation of the pinion gear, and a gear drive arrangement for rotating the pinion gear upon rotation of the handle relative to the anchorage.

Abstract: A bar grip used for grasping a bar or similarly shaped object for physical fitness such as a weightlifting bar, barbell, pull-up bar, or rowing paddle that requires significant grip force. The palm portion of the bar grip includes a palm surface for contacting a region of the palm, and a grip surface for contacting the fitness device. It may include at least one middle layer to provide additional padding, comfort, or weight distribution. The bar grip also has a strap portion for securing the palm portion to the hand. The palm portion has a cross-sectional C-shape that substantially matches an outer shape of a fitness bar. Different embodiments have different radii to accommodate differently sized or shaped fitness bars, or have built-in multi-radius options. The arc of the grip surface may vary to provide coverage ranging from minimal coverage to nearly complete coverage around the circumference of the bar.

Abstract: An exercise weight system includes an exercise weight bar, a plurality of weights selectively connectable to the exercise weight bar, and a cradle for holding the exercise weight bar and weights. The exercise weight bar has a rod having a longitudinal axis and a selector positioned on the rod such that the selector is rotatable about the longitudinal axis of the rod. The exercise weight bar includes an engagement system that permits a user to selectively secure one or more weights to the rod. The engagement system includes one or more weight engagement members and a binary cam system that selectively moves the one or more weights engagement members between a first position and a second position to selectively engage or disengage various combinations of the one or more weights when the selector is rotated about the longitudinal axis of the rod.

Abstract: A dumbbell with adjustable weight essentially includes a handle, two first weight blocks, two second weight blocks, and two position-limiting elements. The handle has a gripping portion and two arms protruding outward from the gripping portion. The first weight blocks are removably disposed around the arms of the handle, respectively. The second weight blocks are removably disposed around the first weight blocks, respectively. The position-limiting elements abut against the second weight blocks ends, respectively. Hence, a user can adjust the total weight of the dumbbell by changing or removing the second weight blocks.

Abstract: A handle for removable attachment to a dumbbell handle including a grip portion and a base portion is provided herein. The grip portion including side grips and top grip resembling a traditional kettlebell handle. An attachment device associated with the handle for attachment of the handle to a dumbbell handle.