US20190154419A1 - Dart having a latched stabilizer for blowgun - Google Patents

Dart having a latched stabilizer for blowgun Download PDF

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Publication number
US20190154419A1
US20190154419A1 US16/194,480 US201816194480A US2019154419A1 US 20190154419 A1 US20190154419 A1 US 20190154419A1 US 201816194480 A US201816194480 A US 201816194480A US 2019154419 A1 US2019154419 A1 US 2019154419A1
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US
United States
Prior art keywords
dart
blowgun
main shaft
stabilizer
hollow main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US16/194,480
Inventor
Yun-Long KUO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Science & Tech Co Ltd
Original Assignee
Great Science & Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Great Science & Tech Co Ltd filed Critical Great Science & Tech Co Ltd
Assigned to Great Science & Tech. Co. Ltd. reassignment Great Science & Tech. Co. Ltd. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KUO, YUN-LONG
Publication of US20190154419A1 publication Critical patent/US20190154419A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • F42B10/14—Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B6/00—Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns
    • F42B6/003—Darts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B6/00—Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns
    • F42B6/10—Air gun pellets ; Ammunition for air guns, e.g. propellant-gas containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B1/00—Blow guns, i.e. tubes for impelling projectiles, e.g. peas or darts, by the force of the breath

Definitions

  • the invention relates to darts and more particularly to a dart for a blowgun, the dart having a latched stabilizer at a rear end.
  • a conventional dart is shown in FIG. 1 and includes a main shaft A and a rigid rear B having a cone B 2 and a hollow B 1 in the cone B 2 .
  • the conventional dart has the following drawbacks.
  • the rear B is rigid.
  • the dart may be stuck in a blowgun (not shown) if the diameter of the conic rear B is substantially equal to an inner diameter of the blowgun in which the blowgun is used to launch the dart by using the force created by a user's forced exhalation to pneumatically propel the trajectory (i.e., dart).
  • the dart may be uncontrollable if own if the diameter of the conic rear B is much less than the inner diameter of the blowgun.
  • a dart for a blowgun comprising a hollow main shaft; a head releasably secured to a front end of the hollow main shaft; and a stabilizer formed with a rear portion of the hollow main shaft and including a plurality of flexible latches and a plurality of gaps each disposed between two adjacent flexible latches.
  • FIG. 1 is a perspective view of a conventional dart for a blowgun
  • FIG. 2 is a perspective view of a dart according to a first preferred embodiment of the invention
  • FIG. 3 is a sectional view of FIG. 2 ;
  • FIG. 4 is a perspective view of a rear portion of a dart according to a second preferred embodiment of the invention.
  • FIG. 5 is a sectional view showing the dart placed inside a blowgun to be launched.
  • a dart for a blowgun in accordance with a first preferred embodiment of the invention comprises the following components as discussed in detail below.
  • a main shaft 20 includes a hollow 21 .
  • a head 10 is releasably secured to a front end of the main shaft 20 .
  • a stabilizer 30 at a rear portion of the main shaft 20 is integrally formed with the main shaft 20 .
  • the stabilizer 30 includes four flexible latches 32 and four triangular gaps 31 each between two adjacent flexible latches 32 .
  • the stabilizer 30 includes six flexible latches 32 and six triangular gaps 31 each between two adjacent flexible latches 32 .
  • the dart is placed inside a blowgun 40 .
  • the dart may quickly pass through the blowgun 40 with the stabilizer 30 (i.e., the flexible latches 32 ) being in friction contact with an inner wall 41 of the blowgun 40 by either expanding or contracting. It is envisaged by the invention that the trajectory of the dart is controllable.

Abstract

A dart for a blowgun is provided with a hollow main shaft; a head releasably secured to a front end of the hollow main shaft; and a stabilizer formed with a rear portion of the hollow main shaft and including a plurality of flexible latches and a plurality of gaps each disposed between two adjacent flexible latches. The latches may expand or contract to be in a minimum friction contact with an inner wall of a blowgun in a launching operation.

Description

    BACKGROUND OF THE INVENTION 1. Field of the Invention
  • The invention relates to darts and more particularly to a dart for a blowgun, the dart having a latched stabilizer at a rear end.
    • 2. Description of Related Art
  • A conventional dart is shown in FIG. 1 and includes a main shaft A and a rigid rear B having a cone B2 and a hollow B1 in the cone B2.
  • However, the conventional dart has the following drawbacks. The rear B is rigid. Thus, the dart may be stuck in a blowgun (not shown) if the diameter of the conic rear B is substantially equal to an inner diameter of the blowgun in which the blowgun is used to launch the dart by using the force created by a user's forced exhalation to pneumatically propel the trajectory (i.e., dart). Alternatively, the dart may be uncontrollable if own if the diameter of the conic rear B is much less than the inner diameter of the blowgun.
  • Thus, the need for improvement still exists.
    • SUMMARY OF THE INVENTION
  • It is therefore one object of the invention to provide a dart for a blowgun comprising a hollow main shaft; a head releasably secured to a front end of the hollow main shaft; and a stabilizer formed with a rear portion of the hollow main shaft and including a plurality of flexible latches and a plurality of gaps each disposed between two adjacent flexible latches.
  • The above and other objects, features and advantages of the invention will become apparent from the following detailed description taken with the accompanying drawings.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view of a conventional dart for a blowgun;
  • FIG. 2 is a perspective view of a dart according to a first preferred embodiment of the invention;
  • FIG. 3 is a sectional view of FIG. 2;
  • FIG. 4 is a perspective view of a rear portion of a dart according to a second preferred embodiment of the invention; and
  • FIG. 5 is a sectional view showing the dart placed inside a blowgun to be launched.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Referring to FIGS. 2 and 3, a dart for a blowgun in accordance with a first preferred embodiment of the invention comprises the following components as discussed in detail below.
  • A main shaft 20 includes a hollow 21. A head 10 is releasably secured to a front end of the main shaft 20. A stabilizer 30 at a rear portion of the main shaft 20 is integrally formed with the main shaft 20. The stabilizer 30 includes four flexible latches 32 and four triangular gaps 31 each between two adjacent flexible latches 32.
  • Referring to FIG. 4, a stabilizer 30 of a dart for a blowgun in accordance with a second preferred embodiment of the invention is shown. The stabilizer 30 includes six flexible latches 32 and six triangular gaps 31 each between two adjacent flexible latches 32.
  • Referring to FIG. 5, the dart is placed inside a blowgun 40. In a launching operation, in response to producing an air current by blowing the blowgun 40, the dart may quickly pass through the blowgun 40 with the stabilizer 30 (i.e., the flexible latches 32) being in friction contact with an inner wall 41 of the blowgun 40 by either expanding or contracting. It is envisaged by the invention that the trajectory of the dart is controllable.
  • While the invention has been described in terms of preferred embodiments, those skilled in the art will recognize that the invention can be practiced with modifications within the spirit and scope of the appended claims.

Claims (3)

What is claimed is:
1. A dart for a blowgun, comprising:
a hollow main shaft;
a head releasably secured to a front end of the hollow main shaft; and
a stabilizer formed with a rear portion of the hollow main shaft and including a plurality of flexible latches and a plurality of gaps each disposed between two adjacent flexible latches.
2. The dart for a blowgun of claim 1, wherein the hollow main shaft has a predetermined length.
3. The dart for a blowgun of claim 1, wherein the number of the flexible latches is more than three, and the number of the gaps is more than three.
US16/194,480 2017-11-20 2018-11-19 Dart having a latched stabilizer for blowgun Abandoned US20190154419A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW106217220U TWM570187U (en) 2017-11-20 2017-11-20 Arrow structure for blowing arrows
TW106217220 2017-11-20

Publications (1)

Publication Number Publication Date
US20190154419A1 true US20190154419A1 (en) 2019-05-23

Family

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US16/194,480 Abandoned US20190154419A1 (en) 2017-11-20 2018-11-19 Dart having a latched stabilizer for blowgun

Country Status (2)

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US (1) US20190154419A1 (en)
TW (1) TWM570187U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022112096A1 (en) * 2020-11-25 2022-06-02 Lothar Klick Projectile, in particular in the form of an arrow, that can be launched by a launching device, and launching system
US20220178645A1 (en) * 2020-09-26 2022-06-09 Bill Whistler Kenworthy Launch and acceleration system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220178645A1 (en) * 2020-09-26 2022-06-09 Bill Whistler Kenworthy Launch and acceleration system and method
WO2022112096A1 (en) * 2020-11-25 2022-06-02 Lothar Klick Projectile, in particular in the form of an arrow, that can be launched by a launching device, and launching system

Also Published As

Publication number Publication date
TWM570187U (en) 2018-11-21

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AS Assignment

Owner name: GREAT SCIENCE & TECH. CO. LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KUO, YUN-LONG;REEL/FRAME:047536/0353

Effective date: 20181115

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Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

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STCB Information on status: application discontinuation

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