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A staple gun or powered stapler is a hand-held machine used to drive heavy metal staples into wood, plastic, or masonry. Staple guns are used for many different applications and to affix a variety of materials, including insulation, house wrap, roofing, wiring, carpeting, upholstery, and hobby and craft materials. These devices are also known as a ''trigger tacker''〔 ("Do It With Staples." ) ''Popular Mechanics'', February 1954, pp. 128-130.〕 ==Types== There are generally three different types of staple guns distinguished by the power source used to operate the gun: manual, electric (From a cord or battery), and pneumatic (Compressed air). These are the most fun as the trigger can be pulled repeatedly,giving the impression of a fully automatic machine gun. Power staple guns can set staples at a somewhat quicker rate than hand-powered models, but their main advantage is that they can be used continuously for hours with comparatively little fatigue. Some staple guns have a long nose that allows the staples to be applied into recessed corners. Another special feature may be wire guides for wiring to ensure that the staples will not pierce the wire. The "forward action" staple gun has a handle that points toward the trigger end, in the opposite direction of the traditional staple gun. These tools are easier to squeeze and better place pressure at the front of the tool where the staple is ejected. The first so called "forward action" staple gun was introduced about 1934.〔("Hammer For Staples Is Like Pistol" ) ''Popular Science'', November 1934, article bottom of page 32〕 A hammer tacker is a device somewhat similar to a staple gun, except that the mechanical energy from the user's muscles is stored—as with a hammer—as momentum of the gun itself, rather than as compression of an internal spring. This type of stapler is typically used for insulation, roofing and carpeting. For most purposes square end staples are used; but some staplers can take rounded end staples for holding cables against a surface. Typical staple leg lengths are ″, ″, ″, ″, ″, and ″, or 6, 8, 10, 12, and 14 millimetres. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Staple gun」の詳細全文を読む スポンサード リンク
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