Essays Tagged: "Jonathan Couch"
Design of a Silent Jackhammer
excavating , tunneling, and many other percussions. The first prototype was created in 1848 by Dr. Jonathan Couch (1789-1870) . In this drill, the drill bit passed through the piston of a steam engin ... he drill bit, which making the first true pneumatic jackhammer come into the world.1. BackgroundDr. Jonathan Couch (1789-1870) A hand-held jackhammer is typically a percussive drill commonly powered b ...
Subjects: Science Essays > Engineering > Mechanical Engineering