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:
Apr. 26, 1977
Filed:
Jul. 24, 1975
Applicant:
Inventors:
William S Tierney, Palos Verdes Peninsula, CA (US);
James E Wright, Long Beach, CA (US);
Assignee:
TRW Inc., Redondo Beach, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B06B / ;
U.S. Cl.
CPC ...
73 7 / ;
Abstract
An impulser for percussively loading a structure to generate stress waves in the structure by driving a hammer into impact relation with the structure and generating an electrical signal in timed relation to the impact. The impulser may embody means, such as suction cups, for firmly attaching the impulser to the structure and an anvil which is interposed between the hammer and structure and spring loaded against the structure for transmitting the hammer impact to the structure without damaging the structure.