408 results about "Weight lifting" patented technology

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.

Disclosed is a weight lifting apparatus having mechanism for assisting in adding a rotational element to the traditional front/back (or flexion and extension) activities during the lifting of weights or other athletic resistance activitiesl. This invention to provides an attachment apparatus that provides a weight holding means that is able to offer 360 degrees of smooth movement which allows complete rotational positionability for use with any stationary or moving resistive weight apparatus. This invention also provids an apparatus wherein the weight holding means also provides a safety measure which can limit the speed of rotation or even stop this motion in the event that the weight is dropped or rotational exertion limits are reached.

A workout system for monitoring fitness and generating a workout summary is disclosed. The system includes a workout module that integrates with weight lifting equipment. The workout module includes one or more motion detectors that detect repetitions and/or tempo of weights lifted or displaced and a computer that logs and stores the repetitions and/or the tempo that weights are lifted or are displaced. The workout module also preferably includes a resistance, a radio frequency, an optical or a magnetic weight sensor or reader that automatically reads and determines values of weights used in the workout. The workout module also preferably includes a radio transmitter to transmit workout data and workout parameters to a remote computing device.

A weight lifting power cage for use by a weight lifter includes a frame assembly including a pair of side frames and a rear lateral frame interconnecting the pair of side frames. A carriage is carried by the side frames and is movable simultaneously vertically and front to back. The carriage retains a weight bar mount for retaining a weight bar spanning between each side frame. The weight bar is movable by the carriage vertically and front to back.. The movable carriage also carries a pair of vertical weight rack bars. An engagement mechanism enables the weight lifter to rack the weight bar from a weight lifting position without stepping forward or backward.

An exercise machine for performing barbell type free weight lifting exercises has a power cage or Smith press type frame, an elongated bar held on the frame in a substantially horizontal resting position, and an adjustable exercise mass assembly that allows a user to select an exercise weight from among a plurality of choices of different exercise weights provided by the exercise mass assembly. The exercise mass assembly is separate from the bar and any auxiliary weight plates carried on the bar. A cable and pulley system operatively connects the bar to a movable portion of the exercise mass assembly that provides the selected exercise weight. A powered actuator sets up the bar for performing a weight lifting exercise by lifting the movable portion of the exercise mass assembly up above a second portion of the exercise mass assembly that remains stationary during the particular weight lifting exercise.

Weight lifting simulator apparatus includes a primary pneumatic cylinder providing the principal resistance for simulating weight lifting exercise with at least one secondary cylinder in free fluid interconnection with the primary cylinder whereby constant and balanced loading is achieved, with provisions for dynamic simulation of weight inertia effect, and control thereof, as in lifting a real weight. The primary and the secondary cylinders are associated with a guideway, the primary cylinder being fixed to the guideway and the secondary cylinder being slidable relative to the guideway and pivotable relative to the piston rod of the primary cylinder. Variation of the securement position of the primary cylinder on the guideway is available and valving is provided in the fluid interconnection.

A weight lifting apparatus is provided for converting traditional dumbbell weights into a kettlebell. The apparatus includes a support structure with a handle member, a pair of arm members that extend downward therefrom, a clamping mechanism, and a locking mechanism. Each arm member includes a clamping mechanism to receive a traditional dumbbell's transverse member. The clamping mechanism has a locking mechanism to safely and easily secure the dumbbell to the support structure thereby enabling the user to utilize the modified dumbbell to perform kettlebell exercises.

A dynamically adjustable weight lifting aid that eliminates hand grip strength as the limiting factor in weight lifting, including a strap and a slidable sleeve encircling the strap. The strap has a wrist loop at one end and an attachment loop at the other end. The attachment loop is suitable for removably attaching the strap to a weight bar or other handle on a weight lifting system or machine. The wrist loop is suitable for receiving a person's wrist. Specifically, the person's hand is inserted through the wrist loop, and the person's palm contacts the slidable sleeve. The wrist loop cradles the person's wrist, and the effective diameter of the wrist loop is dynamically adjustable by the person's hand by sliding the slidable sleeve in either direction along the length of the strap. The person may then lift a weight of the weight lifting system by pulling on the strap.

This invention is a weight lifting exercise bar with handle grip members selectively rotatable relative to the longitudinal axis of the exercise bar so that the exerciser can perform weight lifting exercises benefiting different muscle groups using a single exercise bar and a single set of weights. A set of ball bearings sandwitched between a pair of concentric rings, the outer ring being secured to exercise bar and the inner ring carrying the handle grip member. The inner ring member having the ability to smoothly rotate three hundred and sixty degree's, clockwise and or counterclockwise, independently of the outer ring member by the use of the ball bearings sandwitched between the inner ring member and the outer ring member. This invention allows for the handle grips to be rotated independently and freely while raising and lowering the exercise bar during it's intended use.

A weight lifting system including a handle or bar that is adapted to be connected to a weight plate. The weight plate includes a central opening that extends through the weight plate. One end portion of the handle is inserted into one end of the opening within the weight plate. A bolt is extended into the opening of the weight plate, from the opposite side, and threaded into a threaded bore formed axially within the end portion. A shoulder is formed intermediately within the opening of the weight plate. As the bolt is turned and threaded into the threaded bore, the end portion of the handle is drawn towards the shoulder while a head portion of the bolt moves towards the shoulder. By securely tightening the bolt within the threaded bore, the bolt head is brought into contact with the shoulder and thereby the inward movement of the bolt is limited. The opening in the weight plate and the bolt are sized such that when the bolt is securely tightened within the threaded bore of the end portion of the handle, the head of the bolt will be recessed within the opening of the weight plate and will not protrude past the adjacent side of the weight plate. To conceal the bolt head and the bolt, a cap can be secured to the end of the opening adjacent the bolt head.

A weight training apparatus that simulates free weight lifting exercise. It allows the user to load regular Olympic plates to adjust weight resistance, and thereby eliminate the need to pick-up or replace a dumbbell set each time he wants to adjust the weight resistance. The apparatus comprises a cage like frame and a vertically adjustable table with arm extension supports with a series of handles and weight loadable pin attached to each arm. The arm extensions can swivel, rotate in a circular manner and independently to provide the feel of the unrestrained free motions many free weight lifters prefer when working with regular dumbbells or free weights.

A portable self spotting weight lifting safety apparatus comprising uprights positioned on either side of a weight lifting bench. Barbell support arms extending from the uprights and into the pathway of barbells. Rotating screws located in the uprights raise and lower the support arms. When assistance is necessary, the exerciser presses a foot actuated switch which in turn operates a motor to rotate the screws to raise the support arms.

A system, and method, for training athletes to increase power is provided in a flexible barbell for enhancing weight lifting exercises. The flexible barbell has an elongated shape comprising ends. At least one flexible bar may be included when an elongated shape with a center is used. Weights are attached to the shape near the ends. The shape bends relative to a tangent to the center in response to the center of the flexible barbell being moved.

Weight lifting machines and methods are described including angularly adjustable leg press unit and hack squat unit whereby the user may quickly change between any desired angular orientation of the units relative to the floor.

An apparatus, device, and method for measuring and displaying the amount of calories expended by a person engaged in weight lifting. In an exemplary embodiment, the apparatus senses the displacement of a weight through the use of a sensor and a computer translates that displacement into caloric expenditure. A display provides the user with a visual report of the amount of caloric expenditure as well as other fitness parameters of the workout. The cumulative amount of calories expended over a length of time may also be provided to the user. The user can control the information displayed and the operations performed through the user interface. The apparatus and device may allow for more than one user at a time. Audible signals may be generated to inform the user about different fitness parameters.