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:
Feb. 19, 2008
Filed:
Mar. 31, 2003
Applicants:
Albert E. Sanderson, Carlisle, MA (US);
John Dieckmann, Belmount, MA (US);
Inventors:
Albert E. Sanderson, Carlisle, MA (US);
John Dieckmann, Belmount, MA (US);
Assignee:
R. Sanderson Management, Inc., Denton, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An assembly includes a cylinder () and a piston assembly () housed within the cylinder and configured for reciprocal motion relative to the cylinder. The piston assembly and cylinder include a magnet () and coil () configured to undergo relative motion of the piston assembly and cylinder. The assembly includes a transition arm () and a rotating member () coupled to the piston assembly by the transition arm. The reciprocal motion is linear in space and sinusoidal in time.