Cotter Pin (other)
Cotter pin may refer to: In U.S. usage: *Split pin, a metal fastener with two tines that are bent during installation used to fasten metal together, like with a staple or rivet * Hairpin cotter pin, more commonly known as an "R-clip" * Bowtie cotter pin, a vibration-proof type of R-clip that is shaped like a bowtie *Circle cotter, a ring-shaped cotter pin In British usage: *Cotter (pin) A cotter is a pin or wedge passing through a hole to fix parts tightly together. In British usage cotter pin has the same meaning,. but in the U.S. it means a split pin. Typical applications are in fixing a crank to its crankshaft, as in a bi ...

Split Pin
A split pin, also known in the United States of America as a cotter pin or cotter key, is a metal fastener with two tines that are bent during installation, similar to a staple or rivet. Typically made of thick wire with a half-circular cross section, split pins come in multiple sizes and types. The British definition of "cotter pin" is equivalent to U.S. term " cotter". To avoid confusion, the term split cotter is sometimes used for a split pin. A further use of the term "cotter pin" is the "crank cotter pin" used to lock bicycle pedal cranks to the bottom bracket axle. These are not "split" at all and are wedge shaped. Construction A new split pin (see figure A) has its flat inner surfaces touching for most of its length so that it appears to be a split cylinder (figure D). Once inserted, the two ends of the pin are bent apart, locking it in place (figure B). When they are removed they are supposed to be discarded and replaced, because of fatigue from bending. Split pins ...
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Hairpin Cotter Pin
A hairpin or hair pin is a long device used to hold a person's hair in place. It may be used simply to secure long hair out of the way for convenience or as part of an elaborate hairstyle or coiffure. The earliest evidence for dressing the hair may be seen in carved " Venus figurines" such as the Venus of Brassempouy and the Venus of Willendorf. The creation of different hairstyles, especially among women, seems to be common to all cultures and all periods and many past, and current, societies use hairpins. Hairpins made of metal, ivory, bronze, carved wood, etc. were used in ancient Egypt. for securing decorated hairstyles. Such hairpins suggest, as graves show, that many were luxury objects among the Egyptians and later the Greeks, Etruscans, and Romans. Major success came in 1901 with the invention of the spiral hairpin by New Zealand inventor Ernest Godward. This was a predecessor of the hair clip. The hairpin may be decorative and encrusted with jewels and ornaments, ...
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Bowtie Cotter Pin
The bow tie is a type of necktie. A modern bow tie is tied using a common shoelace knot, which is also called the bow knot for that reason. It consists of a ribbon of fabric tied around the collar of a shirt in a symmetrical manner so that the two opposite ends form loops. There are generally three types of bow ties: the pre-tied, the clip-on, and the self-tie. Pre-tied bow ties are ties in which the distinctive bow is sewn onto a band that goes around the neck and clips to secure. Some "clip-ons" dispense with the band altogether, instead clipping straight to the collar. The traditional bow tie, consisting of a strip of cloth that the wearer has to tie by hand, is also known as a "self-tie", "tie-it-yourself", or "freestyle" bow tie. Bow ties may be made of any fabric material, but most are made from silk, polyester, cotton, or a mixture of fabrics. Some fabrics (e.g., wool or velvet) are much less common for bow ties than for ordinary four-in-hand neckties. Origin and ...
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Circle Cotter
A circle cotter, also known as a cotter ring or split ring, is a formed wire fastener that is shaped like a circle, hence the name. The open end of the wire is in the middle of the cotter so when it is installed the inner tab is first installed in the hole. Because of this feature it is often used in applications where a sharp edge cannot be tolerated, such as fabric Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, different fabric types, etc. At first, the word "textiles" only referred to woven fabrics. However, weaving is not the ... applications.. Kickout ring A very similar type of fastener is the kickout ring, which bends the open tab upward instead of inward. References Fasteners {{tool-stub § ...
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