Orbital-action reciprocating power saw

Details Orbital-action reciprocating power saw Orbital-action reciprocating power saw

B - Operations, Transporting

27

B

143/44

B27B 21/00 (2006.01) B23D 49/16 (2006.01)

Patent

CA 1213195

ORBITAL-ACTION RECIPROCATING POWER SAW ABSTRACT OF THE DISCLOSURE An orbital-action reciprocating power saw includes a motor-driven transmission that causes a saw blade carrier to reciprocate along an axis of reciprocation and move in a direction transverse to the axis of recip- rocation to provide an aggressive cutting action. The transmission includes a rotary-to-reciprocation drive mechanism defined by a rotatably driven gear having an eccentrically mounted pin that engages a slotted yoke connected to the saw blade carrier. The saw blade carrier is mounted in a 'floating' bearing that accom- modates both reciprocation and movement in a direction transverse to the reciprocation axis. A rocker arm is pivotally mounted intermediate its ends with one end engaging the floating bearing mount and the other end engageable with an axial-face cam portion of the rotat- ably driven gear. The rocker arm is effective to move the saw blade carrier in a direction transverse to the axis of reciprocation to provide the desired orbital action.

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