Golf shoe spike
US4667422A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1986 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Apr 14, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B5/001
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A golf shoe spike (S) comprising a ceramic pin (P) and an aluminum or aluminum alloy washer (b). The pin comprises a generally conical shank portion (11) and a seating portion (12) contiguous thereto and having an increased diameter. The washer (b) comprises a base portion (1) having an accomodating recess (3) on its top side and a central hole (5) through its bottom (6) and a flange portion (2) around said base portion (1). The pin (P) is inserted into the central hole (5) of the washer (b) and the outer peripheral wall portion (4) defining the accomodating recess (3) is caulked or drawn inwards to secure the seating portion (12) of the pin (P) tightly against the bottom portion (6) of the recess (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.