Electric arc saw apparatus

Patent · Tue Aug 26 04:00:00 EDT 1986

OSTI ID:5227407

Deichelbohrer, P R

A portable hand-held electric arc saw apparatus is described comprising: a frame, means for mounting a rotatable shaft on the frame, an electrically conducting blade rigidly secured to the shaft and engagable with a workpiece of opposite polarity for generating an electric arc therebetween, electrically conducting means mounted on the frame for transmitting current to the blade and including a slip ring secured the the shaft, brushes mounted on the frame and having inner ends engaging the periphery of the slip ring. It also includes a handle mounted on the frame for facilitating handling and guidance of the blade relative to the workpiece, a base member mounted on the frame and having a slot therin for accommodating the blade, means for adjustably mounting the blade for varying the extent of blade projection past the base member. Mobile means projecting through the member and egagable with the workpiece for facilitating movement of the apparatus relative to the workpiece. All included as are means for electrically insulating the mobile means from the base member.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4608477
• OSTI ID: 5227407
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420200* -- Engineering-- Facilities
Equipment
& Techniques
CURRENTS
CUTTING TOOLS
DESIGN
ELECTRIC ARCS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC DISCHARGES
ELECTRICAL INSULATION
ELECTRICAL PROPERTIES
EQUIPMENT
MACHINE PARTS
PHYSICAL PROPERTIES
PORTABLE EQUIPMENT
SHAFTS
TOOLS