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:
Jun. 07, 2016
Filed:
Dec. 23, 2013
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Akio Yamamoto, Kobe, JP;
DUNLOP SPORTS CO. LTD., Kobe-Shi, JP;
Abstract
A head body hincludes a recess partfor a socket. A socketis attached to the recess partfor a socket. A weight bodyis detachably attached to the socket. The weight bodycan be secured by relative rotation of an angle +θ°. The weight bodycan be detached by relative rotation of an angle−θ°. The weight bodyincludes an engaging part. The socketincludes a first hole partand a second hole part. The engaging partcan take an engaging position EP and a non-engaging position NP at the second hole partby the relative rotations. A sectional shape of the engaging parthas N-fold rotation symmetry. N is an integer of 1 or greater and 3 or less.