학술논문
Portable coring machine
Document Type
Patent
Author
Source
Subject
Language
Abstract
The present invention relates generally to a portable coring machine for penetrating a surface to install or repair sub-surface structures. Coring machine may include a frame assembly and a drilling device. Frame assembly may include a plurality of interconnected bars and facilitate operating drilling device in a generally horizontal position or in a generally vertical position. Further, frame assembly may accommodate core bits of different sizes for cutting an annular hole into asphalt, concrete or other hard surface. Support members of frame assembly may be configured to support a track including a plurality of teeth. The track may engage with a gear assembly of a mounting block configured to support the drilling device. Advantageously, coring machine may be moveable along track in response to an operator rotating a crank mechanically coupled to the gear assembly.