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Chain saw device

  • US 4,382,334 A
  • Filed: 07/01/1981
  • Issued: 05/10/1983
  • Est. Priority Date: 07/01/1981
  • Status: Expired due to Fees
First Claim
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1. In a chain saw including a frame and having a driving motor,a saw chain cassette comprising a saw bar having a saw chain entrained therearound and a sprocket for engaging said chain and adapted to be driven by said motor,and a movable clamping cover adapted for interengagement with said frame while receiving said cassette between said cover and said frame in position for said sprocket to be driven by said motor, wherein said clamping cover removably secures said cassette against said frame by releasable compression to provide for rapid insertion and removal of said cassette,said cover and said frame having pads for engaging sides of said cassette, said cassette having longitudinal alignment ribs with which said pads are matingly cooperable for holding said cassette against rotation.

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