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.
Patent No.:
Date of Patent:
Mar. 21, 1989
Filed:
Apr. 09, 1987
Applicant:
Inventor:
Thomas D Linn, Holliston, MA (US);
Assignee:
Boston Digital Corporation, Milford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
141 93 ; 141 97 ; 141 65 ; 15339 ; 408 67 ; 1442 / ;
Abstract
An apparatus for containing carbon or other dust particles created during machining with rotating cutters such as drills or end mills includes a box fastened to the table of the machine tool, a pivoting lid with a hole to admit a spindle or other tool component into the box when the lid is closed and a vacuum system connected to the box to maintain a negative pressure within the box during cutting.