
1) Clevis 2) Swivel 3) Yoke
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https://www.crosswordclues.com/clue/coupler

1) Coupling 2) Mechanical device
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https://www.crosswordclues.com/clue/coupler

Coupler is a word used to describe any of a number of things: == See also == ...
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http://en.wikipedia.org/wiki/Coupler

to connect tubing together
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http://en.wikipedia.org/wiki/List_of_bicycle_parts

• (n.) One who couples; that which couples, as a link, ring, or shackle, to connect cars.
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http://thinkexist.com/dictionary/meaning/coupler/

(from the article `accordion`) Couplers, or `registers,` in some double-action instruments activate extra sets of reeds, one pitched an octave below the main set and another ... The organist sometimes wishes to combine the stops of two different manuals or to couple one or more of the manuals to the pedals. This is effected .....
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http://www.britannica.com/eb/a-z/c/150

(from the article `locomotive`) ...so that the train they form can be driven from a single cab. Because of this facility such train-sets are widely known as multiple-units. Modern ...
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http://www.britannica.com/eb/a-z/c/150

device that fastens the output shaft of the motor assembly to the shaft of the load.
Found on
http://www.empiremagnetics.com/glossary/glossary.htm#A

A metal sleeve threaded internally and used to connect threaded rods or bolts
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http://www.encyclo.co.uk/local/21113

An optical component which splits or combines optical communication channels.
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http://www.encyclo.co.uk/visitor-contributions.php
Coup'ler noun One who couples; that which couples, as a link, ring, or shackle, to connect cars.
Coupler of an organ ,
a contrivance by which any two or more of the ranks of keys, or keys and pedals, are connected so as to act together when the organ is played. Found on
http://www.encyclo.co.uk/webster/C/174

A chemical incorporated into the emulsion of color film stocks which produces a dye image associated with the developed silver image.
Found on
http://www.filmland.com/glossary/Dictionary.html#A

A grooved insert and retainer ring for the decorating bags that allows tip changes without changing bags. The coupler has two parts; the inner coupler base and the outer coupler ring. Decorator bags are cut so that only the first thread of the inner coupler is exposed.
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http://www.wrenscottage.com/kitchen/glossary.php

A device for attaching multiple cases together.
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https://www.encyclo.co.uk/local/21080

The connector to the keg.
Found on
https://www.encyclo.co.uk/local/21522

The part of a trailer A-frame that attaches to the hitch ball.
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https://www.encyclo.co.uk/local/23310

a person or thing that couples or links together. · a rod or link transmitting force and motion between a rotating part and a rotating or oscillating part. · Also calleda device for joining pieces of rolling stock. · a device in an organ or harpsichord for connecting keys, manuals, or a manual and pedals, so that they are played t...
Found on
https://www.infoplease.com/dictionary/coupler
No exact match found.