The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 13, 2005

Filed:

Jul. 25, 2003
Applicant:

Douglas K. Lawson, Chapel Hill, NC (US);

Inventor:

Douglas K. Lawson, Chapel Hill, NC (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C003/12 ;
U.S. Cl.
CPC ...
Abstract

A robotic deburring tool having a housing. Mounted within the housing is a pneumatic motor that includes a backwall and a drive shaft. Secured to the terminal end of the drive shaft is a deburring tool. A pivot-bearing is mounted in the housing adjacent the backwall. A connector extends from the backwall of the pneumatic motor and connects to the pivot bearing, thereby permitting the pneumatic motor to freely articulate radially in any direction while preventing free rotation about the bearing's longitudinal axis. A compliance device extends around the pneumatic motor at a location between the backwall and the deburring tool secured to the drive shaft. The compliance device restricts the movement of the pneumatic motor while applying a compliance force to the pneumatic motor as the pneumatic motor moves with the pivot bearing.


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