Saw blade mounting arrangement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Feb 19, 2004
app pub date -
Aug 16, 2002
filing date -
Aug 16, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A portable concrete saw has a rotating concrete cutting blade that is rotated about a rotational axis by rotating drive shaft mounted to the saw and driven by a motor on the saw. A threaded recess in a distal end of the drive shaft is aligned parallel to the rotational axis but offset from that axis. An arbor sleeve is mounted to rotates with the distal end of the drive shaft. The sleeve has a non-symmetric blade mounting portion thereon to orientate the cutting blade in only one orientation. The sleeve has a hole therethrough parallel to the rotational axis through which the distal end of the shaft extends. A clamping plate has a recess aligned with and configured to receive at least one portion of the blade mounting portion in order to align the plate to rotate about the rotational axis. The plate has a geometric center with a hole through the plate parallel to the rotational axis but offset from the geometric center. A bolt extends through the hole in the plate and threadingly engages the recess in the distal end of the drive shaft to clamp the blade between the arbor sleeve and the clamping plate.
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