Game dart having ballast

• US 7,108,620 B1
• Filed: 01/12/2005
• Issued: 09/19/2006
• Est. Priority Date: 01/12/2005
• Status: Expired due to Fees

• Current Assignee: Chih Hao Yiu
• Original Assignee: Chih Hao Yiu
• Inventors: Yiu, Chih Hao
• Primary Examiner(s): Ricci, John A.
• Application Number:
  US11/035,000
• Time in Patent Office: 615 Days
• Field of Search: 473/578
• US Class Current: 473/578
• CPC Class Codes: F42B 6/003 Darts

Abstract

A game dart includes a dart barrel having a hollow chamber and front and rear ends each having a screw hole communicating with the hollow chamber. A ballast is retained in the chamber of the dart barrel, and includes two ends each having an engaging member for suspending the ballast in the chamber of the dart barrel, a dart point and a longitudinal flight shaft each includes a threaded coupler for detachably threading with the screw holes of the ends of the dart barrel, and the shaft includes a flight attached to the trailing end. The ballast may be molded within the dart barrel, and the dart barrel may have the screw holes directly formed in the ends for threading with the dart point and the shaft.

Claims

1. A game dart comprising:

a dart barrel including a hollow chamber formed therein, and including a front end and a rear end each having a screw hole formed therein,

a ballast retained in said chamber of said dart barrel,

said screw holes of said dart barrel including an inner diameter smaller than that of said chamber of said dart barrel, to form an inner peripheral shoulder in each of said ends of said dart barrel, and to engage with said ballast, and to anchor and retain said ballast within said hollow chamber of said dart barrel,

a dart point including a threaded coupler for detachably threading with said screw hole of said front end of said dart barrel, for detachably attaching said dart point to said front end of said dart barrel, and

a longitudinal flight shaft including a threaded coupler for detachably threading with said screw hole of said rear end of said dart barrel, and for detachably attaching said flight shaft to said rear end of said dart barrel, and said shaft including a trailing end having a flight provided thereon.

2. The game dart as claimed in claim 1, wherein said ballast includes two ends each having an engaging member provided therein.

3. The game dart as claimed in claim 2, wherein said engaging members of said ballast are cavities formed in said ends of said ballast.