Golf club
US10369425B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2017 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Dec 22, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/08
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A sleeve 8 includes an engaging projection part P1. A head 2 includes an engaging recess part R1. The engaging projection part P1 includes a first side surface P11 located on a side receiving a rotating force caused by hitting, a second side surface P12 located on an opposite side to the first side surface P11, and an outer surface P13. The engaging recess part R1 includes a first opposed surface R11 opposed to the surface P11, a second opposed surface R12 opposed to the surface P12, and an inner surface R13 opposed to the surface P13. The engaging projection part P1 has a tapered projection part TP1. The tapered projection part TP1 has a maximum width of not less than an opening width of the engaging recess part R1. At least one of the first side surface and the first opposed surface extends along an axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.