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A retractable pen is a type of ink pen that has a spring-loaded ink cartridge which retracts and extends outside a protective housing. By clicking downward on the top of the pen, the tip is extended and locks in place at the bottom of the housing for use.


History

The retractable pen was first invented and patented in 1888 by John J. Loud. However, the design was seen as imperfect and the retractable pen would not be marketed until sixty years later. Lazlo Biro and his brother Gyorgy Biro solved the technical problems of the first ball point by using thicker ink and an easier way to store it. This resulted in the use of
capillary action Capillary action (sometimes called capillarity, capillary motion, capillary rise, capillary effect, or wicking) is the process of a liquid flowing in a narrow space without the assistance of, or even in opposition to, any external forces li ...
which slowly pulled the ink out of the pen and onto the
paper Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, Textile, rags, poaceae, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre e ...
. The brothers sold their pen only in Europe. Milton Reynolds, an American entrepreneur, changed the design to a
gravity In physics, gravity () is a fundamental interaction which causes mutual attraction between all things with mass or energy. Gravity is, by far, the weakest of the four fundamental interactions, approximately 1038 times weaker than the str ...
feed and it became successful in the US market. The Frawley Pen Company, founded in 1949 by Patrick J. Frawley, claims to have made the "first pen with a retractable ballpoint tip" in 1950.


Mechanism

A click pen comprises the frame, a thruster, two cams, a guide pin, a spring, an ink cartridge of your choice a ballpoint at the end of the cartridge, and other parts. The guide pin is typically
molded Molding (American English) or moulding ( British and Commonwealth English; see spelling differences) is the process of manufacturing by shaping liquid or pliable raw material using a rigid frame called a mold or matrix. This itself may ha ...
into the frame and the spring provides the tension required to retract the ink cartridge. The cams provide a bistable system where in one position the ink cartridge is retracted and in the other it is extended. When the button at the end of the pen is pressed, the system moves from one position to the other. This causes the ballpoint tip to be pushed forward.


Habitual pen-clicking

Pen clicking is repeated pressing of the button which produces a clicking sound. Normally, the button is only pressed to expose the nib of the pen for writing. The resultant noise varies in tone,
dynamic Dynamics (from Greek δυναμικός ''dynamikos'' "powerful", from δύναμις ''dynamis'' " power") or dynamic may refer to: Physics and engineering * Dynamics (mechanics) ** Aerodynamics, the study of the motion of air ** Analytical dyna ...
and
timbre In music, timbre ( ), also known as tone color or tone quality (from psychoacoustics), is the perceived sound quality of a musical note, sound or tone. Timbre distinguishes different types of sound production, such as choir voices and music ...
depending on the size and make of the pen. When the noise is heard repeatedly, it can have a psychological effect on the doer or anyone in earshot. The action can be either conscious or subconscious and is often associated with boredom, inattentiveness, thinking, hiding something, or nervousness. It has been described as a nervous habita form of
fidgeting Fidgeting is the act of moving about restlessly in a way that is not (socially recognized as) essential to ongoing tasks or events. Fidgeting may involve playing with one's fingers, hair, or personal objects (e.g. glasses, pens or items of cloth ...
. It can also be described as a "distracting activity that releases nervous energy". Clicking a pen can be a type of
stimming Self-stimulatory behavior, also known as "stimming" and self-stimulation, is the repetition of physical movements, sounds, words, moving objects, or other repetitive behaviors. Such behaviors (also scientifically known as ' stereotypies') are fo ...
behavior, but is unique in that "a person can do in public without drawing much attention to themselves," whereas some other similar behaviors are not socially acceptable. Some people find it hard to concentrate when others are pen-clicking, and so the action may be considered a
pet peeve A pet peeve is a minor annoyance that can instill great frustration in an individual. Pet Peeve may also refer to: * ''Pet Peeve'' (1954 film), a 1954 ''Tom and Jerry'' cartoon * ''Pet Peeve'' (novel), the twenty-ninth book of the Xanth se ...
. Pen clicking can also be a trigger of misophonia.


In popular culture

*Boris Grishenko (portrayed by Alan Cumming), a henchman from the 1995 James Bond film ''
GoldenEye ''GoldenEye'' is a 1995 spy film, the seventeenth in the List of James Bond films, ''James Bond'' series produced by Eon Productions, and the first to star Pierce Brosnan as the fictional Secret Intelligence Service, MI6 agent James Bond (lit ...
'', is notable for using pen clicking as his signature character quirk. In the film's climax, Bond exploits this habit by switching Boris' pen with a click-activated pen grenade, which leads to the destruction of the villain's base. *In an ad for Kohl's clothing lines, Jennifer Lopezwho plays a fictionalised version of herselfannoys her colleagues by pen-clicking.


References

{{reflist, 30em Habits Sounds by type Pens