CPC B27B 17/12 (2013.01) [B27B 17/02 (2013.01); B27B 17/025 (2013.01); Y10T 83/263 (2015.04)] | 19 Claims |
1. A bar for a chain saw, comprising:
an inner core defining a longitudinal axis, the inner core comprising a first side, a second side, and a perimeter edge separating the first side and the second side;
a first outer wall disposed on the first side;
a second outer wall disposed on a second side of the inner core, the second side opposite the first side; and
a first fluid channel formed along the longitudinal axis, the first fluid channel in fluid communication with a first fluid hole at a first end of the channel and a first fluid exit port formed at a second end of the channel distal from the first end; and
a second fluid channel formed along the longitudinal axis, the second fluid channel in fluid communication with a second fluid hole at a first end of the second fluid channel and a second fluid exit port formed at a second end of the second fluid channel
wherein:
the first outer wall and second outer wall extend beyond the perimeter edge of the inner core to form a bar groove;
the first fluid exit port is disposed at or near the perimeter edge and proximate to a cutting area of the bar groove;
the first fluid exit port comprises a valve; and
the second fluid exit port is disposed proximate to a nose of the bar.
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