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A clamp holder or clamp fastener is a piece of laboratory apparatus that is used to secure laboratory clamps, such as extension-type utility clamps, or other attachments to a retort stand or lab frame. [1] The material can be made up of brass, cast iron, stainless steel, aluminium or nickel-plated zinc. [2]
There are two general types; one secures the foot with a mechanical clamp or cage and the other has no connection to lock the foot to the pedal. Peg : short metal tube, about 6 inches (15 cm) long and 2 inches (5.1 cm) fastened to one or both ends of the wheel axles to either enable the rider perform certain tricks or provide a place for extra ...
Most jack posts are split in two near the middle, with the upper end carrying the jack designed to slide within the lower portion. Gross adjustment for length is first made by pulling a pin and sliding the two sections within each other until they almost fill the gap, inserting the pin to lock them, then using the screw to close any remaining gap.
The slip joint includes a gasket that fits snugly on a pipe end, with a threaded nut behind the gasket, but with gasket position adjustable as needed. This pipe end fits loosely into another with a flange for the gasket to seal against, and threads for the nut to clamp the gasket to the flange.
Holdfast, a bench clamp for holding things to a bench top or side The bench forms the fixed jaw. Magnetic clamp (see Magnetic base) Mitre clamp; Pipe clamp (top of the top photo) Sash clamp (a specialized, long form of bar clamp) Set screw; Spring clamp (first item of third row in photo) Speed clamp
This mechanism is used in devices such as lift tables and scissor lifts.Modern low-profile computer keyboards make an extensive use of it as well, installing each key on a scissor support to ensure their smooth vertical movement, allowing the use of a cheap and reliable rubber dome contact set, instead of expensive and complex array of mechanical switches.
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