jackhammer
Sign in to saveAlso known as pneumatic drill, demolition hammer
thumb|A pneumatic jackhammer thumb|Video: A construction worker uses a jackhammer in Japan.
Wikidata facts
- Subclass of
- pneumatic tool
- Image
- Besucherbergwerk Marie Louise Stolln Berggießhübel 01.jpg
- Has use
- demolition
Show 5 more facts
- discoverer or inventor
- Charles Brady King
- used by
- construction worker
- time of discovery or invention
- 1893-00-00
- Commons category
- Jackhammers
- source of energy
- electromechanics
Sources (2)
via Wikidata · CC0
~14 min read
Encyclopedic overview
11 sectionsContents
- History
- Terminology
- Use
- Types
- Pneumatic
- Electro mechanical or electropneumatic
- Hydraulic
- Bits
- Health effects
- References
- External links
thumb|A pneumatic jackhammer thumb|Video: A construction worker uses a jackhammer in Japan.
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. Hand-held jackhammers are generally powered by compressed air, but some are also powered by electric motors. Larger jackhammers, such as rig-mounted hammers used on construction machinery, are usually hydraulically powered. These tools are typically used to break up rock, pavement, and concrete.
Excerpted from Wikipedia’s “jackhammer” article, available under the CC BY-SA 4.0 licence.