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T-nuts. The left one has been inserted in the wood and a bolt has been screwed in from the other side. A T-nut, T nut, or tee nut (also known as a blind nut, [1] which can however also refer to a rivet nut or an insert nut, and likewise drive-in nut [2]) is a type of nut used to fasten a wood, particle or composite materials workpiece, leaving a flush surface.
The mechanical advantage is 2, requiring a force of only 50 N to lift the load. A block and tackle is characterized by the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load. Its mechanical advantage is the number of parts of the rope that act on the load. The mechanical advantage of a ...
Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks used with cranes and other lifting equipment [1] in material handling and structure relocation. Rigging systems commonly include shackles, master links and slings, and lifting bags in underwater lifting.
Semi-permanently anchors itself inside the fork steerer tube. Can be mounted using a star nut setter. T-nut: tee nut, blind nut (ambiguously) Used to fasten a wood, particle or composite materials workpiece, leaving a flush surface. T-slot nut: T-groove nut Used with a threaded clamp to position and secure pieces being worked on in a workshop ...
Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. [1] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts, and can also include smaller accessories such as chains ...
A wheel hub with a castellated nut secured in the center using a cotter pin to prevent it from unscrewing. A positive locking device is a device used in conjunction with a fastener in order to positively lock the fastener. This means that the fastener cannot work loose from vibrations. The following is a list of positive locking devices: [1] A ...
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Animation of ratchet gear (green) and pawl (pink). Red arrows indicate which way force is applied to the gear. A ratchet featuring a gear (1) and pawl (2) mounted on a base (3) Animation of ratchet gear rack (green) and pawl (pink).
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