Energy absorbing arrangements

Details Energy absorbing arrangements Energy absorbing arrangements

1986-12-22

1988-07-26

Kashnikow, Andres

Brakes

Plastic deformation or breakage of retarder element

Crushable element

89 1701, 188271, F16F 712, F16F 1100, F41F 302, F41F 1500

Patent

active

047594306

ABSTRACT:
In e.g. a projectile launcher, an arresting sleeve (12) absorbs energy by deformation, which is necessary to arrest a piston (15) from which a counter-mass or a projectile is ejected. The counter-mass (17) should be dispersed as rapidly as possible on exit, in order not to endanger those in the vicinity of the gunner. According to the invention the arresting sleeve (12) has annular peripheral grooves (13,14) on its outer face and also on its inner face of equilateral triangular cross-section, and the piston (15) has a cartridge (16) holding the counter-mass (17), which at its forward end has a greater wall thickness than at its rearward end.

REFERENCES:
patent: 3274798 (1966-09-01), Wiggins, Jr.
patent: 3762279 (1973-10-01), Zeyher
patent: 3865915 (1975-02-01), Saxl et al.
patent: 4132148 (1979-01-01), Meistring et al.
patent: 4148244 (1979-04-01), Schnabele et al.
patent: 4531619 (1985-07-01), Eckels

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