A weight system having at least one weight stack moveable in a vertical direction on a lift rod, and a bearing block for housing a linear bearing. The invention further includes a method and apparatus for aligning the linear bearing.

A weight system having at least one weight stack moveable in a vertical direction on a lift rod, and a bearing block for housing a linear bearing. The invention further includes a method and apparatus for aligning the linear bearing.

An exercise apparatus includes a frame and a load mechanism disposed on the frame. The load mechanism has a plurality of selectable weights with each of the selectable weights having an associated indicator device. A press is mechanically coupled to the load mechanism to displace a load based on a selected weight and a sensor is disposed to measure an extent and speed of displacement of the load. A processor is in communication with the sensor, and the processor is configured to determine an indicator signal to send to the indicator device of one of the plurality of selectable weights of the load mechanism based on received performance data, the indicator signal used to indicate which one of the plural of weights to select.

A cradle for supporting an adjustable free weight assembly that includes first and second weight plate sets. End walls and side walls of the cradle define a cavity sized to receive the free weight assembly. The end walls engage plate portions and locking element portions of outermost weight plates of the free weight assembly when received in the cradle. Inboard surfaces of the side walls engage portions of weight plates in at least the first weight plate set to substantially inhibit the first weight plate set from moving vertically or laterally between the side walls. The configuration of the inboard surfaces of the side walls aligns the weight plates in the first weight plate set both vertically and horizontally so that central openings in the weight plates for receiving a selector shaft are substantially concentric.

An exercise apparatus includes a frame with a pair of vertical guides. A carriage is slidably carried on each of the guides. Each of the carriages has a locking mechanism to lock the carriage at a selected vertical position and a release to disengage the locking mechanism. A horizontal exercise bar is slidably carried on guide rods. First and second cables are coupled to a selectable exercise resistance, each of the cables having an end selectively coupled to either the respective carriage or to a respective bracket at the end of the exercise bar. Secondary brackets on the exercise bar are configured to engage respective ones of the carriage releases and grab the carriage so as to selectively engage and disengage the locking mechanisms upon axial rotation of the exercise bar and raise and lower the carriages with the exercise bar.

A fitness exercise apparatus includes a base member, a support unit disposed on the base member, and a slide bar disposed on the support unit. A seat frame includes a connector connected to and slidable along the slide bar, a guide rail connected to the connector, and a foot post connected to the guide rail opposite to the connector. A swing frame is connected to the guide rail at a position corresponding to the foot post. An elastic cord unit includes a plurality of first and second elastic cords connected to the support unit. A pulling unit includes two first cables connectable with the first elastic cords. An operating unit is connectable with the first cables.

An exercise system includes a base structure including a first cross brace including first cross brace mounting plates disposed at each end of the first cross brace. A pair of base guide rail supports is secured to and extended substantially orthogonal from the first cross brace and includes a pair of base guide rail receivers. A pair of base pulley supports is secured to and extended substantially orthogonal from the first cross brace and further includes a pulley-support pulley housing. A pair of pulley-support pulleys is rotatably secured to the pulley-support pulley housing. A second cross brace includes a central portion substantially parallel to the first cross brace. The central portion is secured to the pair of base guide rail supports and the pair of base pulley supports. Two end portions are disposed at an angle to the central portion and terminate at second cross brace mounting plates disposed at each end of the two end portions and two central-portion pulley housings. A central-portion pulley is rotatably secured to each of the two central-portion pulley housings.

A resistance training machine comprises a carriage with a handle coupled to move along a linear guide such as a post. First and second end portions of a flexible element are respectively coupled the carriage. A portion of the flexible element forms a loop defined by a series of guiding elements such as pulleys. The loop is coupled to a resistance element such as a weight. First and second fasteners are respectively provided in the first and second end portions of the flexible element. A user can adjust the carriage to a starting position at their desired height and affix one of the fasteners to an anchor point of the receivers. The user can move the carriage either through causing the loop of the flexible element to be reduced in length and to pull on the resistance element or plates on plate horns to perform resistance training.

A housing for a Time-of-Flight (ToF) range meter includes a wall structure defining a first optical beam path to an emitter of the ToF range meter, and a second optical beam path to a detector of the ToF range meter, and a transmissive optical diffusor configured to cover the beam path to at least one of said emitter and said detector. The housing may be connected to a ToF range meter into a ToF ranging device. Such a ToF ranging device where the ToF ranging device is directed to measure a distance to a reflector member to determine a distance which correlates to the weight of the selectively engaged weights.

An exercise machine with a two directional pivoting user support assembly has a user support or platform which supports the user and pivots about a first pivot axis during an exercise movement, and is also pivotable about at least one second pivot axis to involve the user's core muscles in balancing and maintaining the user support in a stable position. A manually operable locking device with a simple flip switch lever is provided for selectively locking the user support against rotation about the second pivot axis, so that the user can easily chose whether to perform the exercise with a stable support or to add a level of difficulty by using the unstable seat mode and exercising core muscles during the exercise.