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US 4,067,572 AGranted
Golf club
OwnerMarvin W. Colemaninventor
Life of this patent
Estimating the term…
Abstract
A golf club having a shaft and a club head, the club head comprising a stationary, main body portion, and a face portion which is movable with respect to the stationary portion to vary the angular disposition of the face portion with respect to the stationary portion and the shaft of the club.
Claims18
A golf club including:
- a. a shaft,
- b. a club head comprising a hollow main body portion secured to said shaft,
- c. opposed end portions of said main body portion being cut away to provide a bore extending through said main body portion and the wall of said main body portion proximate the cut away portions being arcuate,
- d. said club head further including a movable disc-like portion having a front face comprising a ball-engaging surface and a rear concave face which complements, and is in slidable engagement with, the arcuate wall portion of said main body portion proximate the bore,
- e. a securing member extending from the rear face of said movable disc-like portion,
- f. a clamping member engaged with said movable disc-like portion, and
- g. a bolt member extending through said clamping member, the bore of the stationary main body portion for operative engagement with said securing member for holding said movable disc-like portion in a predetermined position.
4 more elements
A golf club including:
- a. a shaft
- b. a club head attached to one end of said shaft,
- c. said club head including a stationary main body portion engaged with one end of the shaft,
- d. said main body portion having a bore extending therethrough and the outer wall of said body portion being arcuate proximate the bore,
- e. a movable portion having a ball-engaging face and a rear arcuate portion which complements, and is adapted for sliding engagement with, the arcuate wall of said main body portion,
- f. securing means extending through the bore of said main body portion, one end of which is engaged with the rear face of said movable portion,
- g. said securing means being substantially smaller than the bore through which it extends whereby said movable portion is adjustable through an arc of 360.degree. to reposition the movable portion with respect to said stationary portion and said shaft, and
- h. clamping means engaged with the main body portion in opposed relation to said movable portion,
- i. the free end of said securing means being engaged with said clamping means.
6 more elements
A golf club including:
- a. a shaft
- b. a club head attached to one end of said shaft,
- c. said head including a stationary main body portion of spherical shape engaged with one end of the shaft,
- d. said spherical main body portion having a bore extending therethrough and the outer wall of the main body portion being arcuate proximate the bore,
- e. a movable portion having a ball-engaging face and a rear arcuate portion which complements, and is adapted for sliding engagement with, the arcuate wall of said main body portion,
- f. securing means extending through the bore of said spherical main body portion, one end of which is engaged with the rear face of said movable portion,
- g. clamping means having a rear arcuate portion which complements and is adapted for sliding engagement with, the arcuate wall of said main body portion, and
- i. securing means extending through the bore of said main body portion, one end of which is engaged with the rear face of said movable portion,
- j. the free end of said securing means being engaged with said clamping means, whereby said movable portion may be adjustably portioned with respect to said stationary portion.
6 more elements
Dependencies are inferred from the claim text.