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US 6,309,310 B1Granted
Wood-type golf club heads provided with vertical grooves on hitting surface
AssigneeCarbite, Inc.
InventorChester S. Shira
Life of this patent
Estimating the term…
Abstract
A wood-type golf club head is provided with vertical grooves adjacent at each end of the ball hitting surface in order to enhance the desired gear effect when balls are hit on the toe and heel of the club.
Claims3
A golf club head comprising a wood type club head body provided with a ball hitting surface having a toe portion and a heel portion, an upper surface, and a lower surface;
- said ball hitting surface having spaced vertical grooves covering at least the toe and the heel portions;
- said spaced vertical grooves extending substantially from adjacent said lower surface to adjacent said upper surface, whereby the spaced vertical grooves provide friction for imparting side spin to a ball struck on the heel or toe portions to enhance the gear effect of the club body when said heel or toe portions are subjected to wet weather conditions.
Dependencies are inferred from the claim text.