IP Library › Granted Patent US 7,874,932
Granted Patent B2
US 7,874,932 · App. 12/491,050 · Granted Jan 25, 2011

Adjustable length and torque resistant golf shaft

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,874,932
App. No.
12/491,050
Granted
Jan 25, 2011
Kind
B2
Abstract

An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.

Claims (7)

1. An adjustable golf shaft comprising:

a lower shaft member comprised of an elongated cylindrical bore and inner rod member;

an upper shaft member comprised of an elongated outer cylindrical bore, the outer cylindrical bore housing an elongated cylindrical member having an inner bore, wherein the inner bore is dimensioned to receive the inner rod member and prevents the inner rod member from rotating within the inner bore due to a non-circular shape of said inner bore forming a torque resistant shaft; and

a spring member attached to the inner rod member, wherein the spring member is dimensioned to fit within the inner bore and prevents the lower shaft member from sliding within the upper shaft member during use.

2. The golf shaft of claim 1 , wherein the inner bore further comprises a plurality of ridges dimensioned to receive the spring member.

3. The golf shaft of claim 1 , further comprising a putter head, the putter head comprising a putter head shaft and a ball-striking member.

4. The golf shaft of claim 1 , wherein the spring member includes a ball mounted member.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 26, 2013
From: CHOL, KIM (DECEASED)
To: CHOL, JUDY (HEIR TO ESTATE)
Reel/Frame 031179/0285 →
Continuity (3)
Division 1149951100 · Aug 3, 2006
Provisional Application 6081821900 · Jun 30, 2006
Related Publication 20090258720A1 · Oct 15, 2009