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In general, a spacer is a solid material used to separate two parts in an assembly. Spacers can vary in size from microns to centimeters. They can be made of metal, plastic, glass, and other materials. Shapes include flat sheet, cylindrical and spherical. Two sizes of metal standoffs and one plastic standoff.
The USB Type-C Cable and Connector Specification specifies a mapping from a USB-C jack to a 4-pole TRRS jack, for the use of headsets, and supports both CTIA and OMTP (YD/T 1885–2009) modes. [79] Some devices transparently handle many jack standards, [ 80 ] [ 81 ] and there are hardware implementations of this available as components. [ 82 ]
A "lock-ring DC coaxial connector" uses a captive threaded ring or collar to secure the connection between the plug and jack. This design offers strong resistance to unplugging when used properly. Lock-ring DC coaxial connectors. The knurled barrel allows the plug to be secured to jacks that have mating male threads.
The connector’s male plug and female jack are called RCA plug and RCA jack. It is also called RCA phono connector [ 5 ] or phono connector . [ 6 ] [ 7 ] The word phono in phono connector is an abbreviation of the word phonograph , because this connector was originally created to allow the connection of a phonograph turntable to a radio receiver.
This modification had no wire connecting the upper and lower parts. Acrylic connected the upper and lower part with acrylic flanges. This type of activator was designed by Muhlemann and refined by Hotz. This appliance is sometimes known as the hybrid appliance because it has features of vestibular screen and monobloc.
Reverse-polarity BNC (RP-BNC) is a variation of the BNC specification which reverses the polarity of the interface. In a connector of this type, the female contact normally found in a jack is usually in the plug, while the male contact normally found in a plug is in the jack.
A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderate and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the foundations of houses.
A concrete spacer with a plastic clip in use Concrete spacers in a precast element Diaphragm wall block on rebar for a Diaphragm wall. A rebar spacer is a short, rod-like device used to secure reinforcing steel bars, or rebar, within cast assemblies for reinforced concrete structures. The rebar spacers are fixed before the concrete is poured ...