Invention Grant
- Patent Title: Chainsaw tensioning device
- Patent Title (中): 链条张紧装置
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Application No.: US12803242Application Date: 2010-06-22
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Publication No.: US08220166B2Publication Date: 2012-07-17
- Inventor: David B. Fisher , Todd J. Ford
- Applicant: David B. Fisher , Todd J. Ford
- Applicant Address: US OH Valley City
- Assignee: MTD Products Inc
- Current Assignee: MTD Products Inc
- Current Assignee Address: US OH Valley City
- Agency: Wegman, Hessler & Vanderburg
- Main IPC: B27B17/14
- IPC: B27B17/14
Abstract:
A chainsaw has a cam lever and cam assembly that can be used to adjust the tension of a guide bar in the chainsaw. Once the tension of the guide bar has been lessened, the guide bar can be moved back and forth by using a chain-tightening knob and tightening mechanism. The movement of the guide bar causes the chain to tighten or loosen on the guide bar.
Public/Granted literature
- US20100293797A1 Chainsaw tensioning device Public/Granted day:2010-11-25
Information query
