Golf club

• US 4,043,563 A
• Filed: 11/06/1975
• Issued: 08/23/1977
• Est. Priority Date: 08/03/1972
• Status: Expired due to Term

• Current Assignee: Roy Alexander Churchward
• Original Assignee: Roy Alexander Churchward
• Inventors: Churchward, Roy Alexander
• Primary Examiner(s): Apley, Richard J.
• Application Number:
  US05/629,277
• Time in Patent Office: 656 Days
• Field of Search: 273/167-174
• US Class Current: 473/338
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/08 with special arrangements for obtaining a variable impact
• CPC Class Codes: A63B 60/52 with slits

Abstract

A golf club having an impact block disclosed in the bottom portion of the club head. The impact block has a plurality of openings therein for slidably receiving weights therein. A removable cap provides access to the weights. The impact block could be made integral with the sole plate.

Claims

1. A golf club sole plate comprising a thickened central portion and a thin plate-like portion surrounding said central portion, said central portion including a recess on the lower side thereof, said central portion further including a plurality of openings, at least some of said openings extending through said central portion from the upper surface to said recess, said sole plate further including weights and a removable cap, said weights being slideably engaged in said openings, said removable cap providing access to at least some of said weights.

2. The golf club sole plate of claim 1 wherein some of said weights are inserted from above said thickened portion, said weights each including a cylindrical portion and a head portion, said cylindrical portion being disposed within said openings which extend from the upper surface to said recess, and the remaining of said weights are inserted by first removing said cap.

3. The golf club sole plate of claim 1 wherein said removable cap is held in place by a screw which extends through said cap and is threadedly engaged in one of said plurality of openings.

4. The golf club sole plate of claim 3 wherein said impact block means is integral with said sole plate.

5. The golf club sole plate of claim 3 wherein some of said openings extend only through a portion of said impact block means.

6. The golf club sole plate of claim 1 wherein some of said openings extend only through a portion of said impact block means.

7. A golf club comprising a shaft, a grip disposed at one end of said shaft and a club head disposed at the other end of said shaft, said club head including a body portion, an impact block means disposed in said body portion and a sole plate, said impact block means having defined therein a plurality of openings and a plurality of weights disposed in certain of said openings, said impact block means being adapted for receipt of semi-permanent weights into said openings from above said impact block means and adapted for receipt of ready access weights into said openings from below said impact block means, said weights being slideably inserted in said openings, said sole plate and said impact block means being integral, said sole plate substantially covering the bottom of said club head, said sole plate including a removable cap for providing access to said ready access weights.

8. The golf club of claim 7 wherein some of said openings extend completely through said impact block means.