Expandable baton with locking joints

Details Expandable baton with locking joints Expandable baton with locking joints

1993-07-26

1994-09-20

Millin, Vincent

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

F41B 1502

Patent

active

053482972

ABSTRACT:
An expandable baton is constructed of heat treatable alloy steel and is formed according to a method which provides both ease of workability of the component materials and strength for the resultant baton. The disclosed method comprises the steps of first forming the sections from heat treatable alloy steel, then annealing the baton components to soften them, then forming the components into the desired shapes, and finally hardening the components. The resulting baton provides the strength and reliability required in such a device.

REFERENCES:
patent: 1909932 (1933-05-01), Digel
patent: 3371930 (1968-03-01), Shiga
patent: 3554546 (1971-01-01), Braunhut
patent: 4037839 (1977-07-01), Nelson
patent: 4135719 (1979-01-01), Braunhut
patent: 4492377 (1985-01-01), Eby
patent: 4533140 (1985-08-01), Champion
patent: 4667958 (1987-05-01), Raitto
patent: 4752072 (1988-07-01), Parsons
"Materials Science in Engineering", Carl Keiper 2nd ed. .COPYRGT.1969 by Bell & Howell Co. pp. 50, 52, 53.
The Advanced Balisong Manual, pp. 1, 5, 7 & 8 by Jeff Imada, 1986.
Undated ad from Imada for "professional telescopic staff" baton.
Undated ad from Monadnock for SX-24 and PR-24X expandable batons.

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