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Electric arc saw apparatus

Patent ·
OSTI ID:865966
 [1]
  1. Richland, WA
+ Show Author Affiliations
A portable, hand held electric arc saw has a small frame for supporting an electrically conducting rotary blade which serves as an electrode for generating an electric arc to erode a workpiece. Electric current is supplied to the blade by biased brushes and a slip ring which are mounted in the frame. A pair of freely movable endless belts in the form of crawler treads stretched between two pulleys are used to facilitate movement of the electric arc saw. The pulleys are formed of dielectric material to electrically insulate the crawler treads from the frame.
Research Organization:
Hanford Site (HNF), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC06-77RL01030
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4608477
OSTI ID:
865966
Country of Publication:
United States
Language:
English

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Related Subjects

/219/30/204/
apparatus
belts
biased
blade
brushes
conducting
crawler
current
dielectric
dielectric material
electric
electric current
electrically
electrically conducting
electrically insulate
electrode
endless
endless belt
erode
facilitate
facilitate movement
form
formed
frame
freely
generating
hand
hand held
held
insulate
material
mounted
movable
movable endless
movement
pair
portable
pulleys
rotary
serves
slip
stretched
supplied
supporting
treads
workpiece