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. 02, 2016
Filed:
Mar. 17, 2014
Applicant:
Darrell J Hartwick, Newton, MA (US);
Inventor:
Darrell J Hartwick, Newton, MA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16F 3/02 (2006.01); F16F 1/04 (2006.01);
U.S. Cl.
CPC ...
F16F 3/023 (2013.01); F16F 1/041 (2013.01); F16F 3/02 (2013.01);
Abstract
A device with stiffness adjustment has a housing having a plurality of passageways, each defining an axis. The device has a plurality of stiffness devices each having a plurality of flat springs elongated in the direction of the passageway axis. The plurality of stiffness devices are each rotatable about their respective passageway axis. In an embodiment, the device has a casing interposed between the wall of the passageway of the housing and the stiffness devices. The casing is a spring.
Hartwick, Darrell. (2016). Methods and mechanisms for the adjustment of stiffness in various equipment and devices (U.S. Patent No. 9249849). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9249849
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile