Coupling structure for shells of booster

Details Coupling structure for shells of booster Coupling structure for shells of booster

1981-04-09

1989-01-03

Maslousky, Paul E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 99, 92169, F16J 1102, F16J 302, F01B 1900

Patent

active

047948493

ABSTRACT:
A first shell in a booster enclosure is substantially cup-shaped, and a second shell is substantially plate-shaped and has an annular groove which opens radially outward. The second shell is fitted inside the first shell. The inner surface of the annular groove and the inner circumference of the first shell clamp an outer circumferential beaded part of a diaphragm. The second shell is prevented from disengagement from the first shell by engaging pawls formed on the first shell. A reinforcing cylindrical or conical portion is formed at the part of the second shell which is brought into contact with the engaging pawls of the first shell. This reinforcing portion improves the rigidity of this part and prevents the deformation of the second shell by the engaging pawls.

REFERENCES:
patent: 2969046 (1961-01-01), Kellogg et al.
patent: 3053235 (1962-09-01), Hager
patent: 3109346 (1963-11-01), Julow
patent: 3146682 (1964-09-01), Price et al.
patent: 3158930 (1964-12-01), Wesstrom et al.
patent: 3656413 (1972-04-01), Eggstein
patent: 4296680 (1981-10-01), Ohta et al.

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