Golf club

• US 4,085,934 A
• Filed: 12/10/1973
• Issued: 04/25/1978
• 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:
  US05/423,080
• Time in Patent Office: 1,597 Days
• Field of Search: 273/77 R, 273/78, 273/164, 273/167-175
• US Class Current: 473/338
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 53/04 Heads
• 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 60/50 with through-holes A63B60/18 takes precedence; for stringing purposes A63B49/00
• CPC Class Codes: A63B 60/52 with slits

Abstract

A golf club is disclosed including an impact block located in the head of the club. The impact block includes means for adjusting the weight and balance of the club. The impact block has a plurality of openings. Rod shaped weights are slideably inserted in said openings.

Claims

1. 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 sole plate substantially covering the bottom of said club head, said impact block means having defined therein a plurality of openings and a plurality of weights disposed in selected ones of said openings, said weights being cylindrical in shape and being slideably inserted in said openings, the axis of said cylindrical weights being perpendicular to said sole plate, said weights extending only through a portion of said impact block means and said impact block means being invertable to raise and lower the weights in said club head.

2. 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 having defined therein a cavity and a sole plate substantially covering the bottom of said club head, said club head having an impact block snugly disposed in said cavity, said impact block being a flat non-circular block extending longitudinally substantially across the bottom of said club head, said block having a thickness of about 3/16 inches and being disposed in the lower 25% of the club head, said impact block having a matrix including a grouped array of openings, said grouped array comprising at least four rows of openings, each of said rows including at least four openings, a plurality of weights disposed in selected ones of said openings, said weights comprising rods, said rods being slideably inserted in said openings with the axis of said rods extending perpendicular with respect to said sole plate, said weights having a length approximately equal to the thickness of said block.

3. The golf club of claim 2 wherein the magnitude of each of said weights is one lorythmic swing weight.