Ads
related to: best electric demolition jack hammer parts diagram
Search results
Results From The WOW.Com Content Network
A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...
German company Bosch produced the first "Bosch-Hammer" around 1932 in mass production. The US company Milwaukee Electric Tool Corporation states that in 1935, it was selling a lightweight 1 ⁄ 4 in (6.4 mm) electric hammer drill (cam-action). [15] Hand-cranked percussion drills were made in the UK in the mid-twentieth century. [16]
Shown here are: A. Ball-peen hammer B. Straight-peen hammer C. Cross-peen hammer The claw of a carpenter's hammer is frequently used to remove nails. A large hammer-like tool is a maul (sometimes called a "beetle"), a wood- or rubber-headed hammer is a mallet , and a hammer-like tool with a cutting blade is usually called a hatchet .
Headquarters of Hilti Corporation in Schaan, Liechtenstein. Hilti Corporation (Hilti Aktiengesellschaft or Hilti AG, also known as Hilti Group) is a Liechtensteiner multinational company that develops, manufactures, and markets products for the construction, building maintenance, energy and manufacturing industries, mainly to the professional end-user.
For instance, an early 20th-century blasting manual compared the effects of black powder to that of a wedge, and dynamite to that of a hammer. [1] The most commonly used explosives in mining today are ANFO based blends due to lower cost than dynamite .
A drilling hammer, [5] club hammer, lump hammer, crack hammer, mini-sledge or thor hammer is a small sledgehammer whose relatively light weight and short handle allow one-handed use. [6] It is useful for light demolition work, driving masonry nails, and for use with a steel chisel when cutting stone or metal. [ 7 ]