Back to results
US 4,037,821 AGranted
Telescoping retractor
AssigneeThe United States of America as represented by the Secretary of the Army
InventorFrank E. Greene
Life of this patent
Estimating the term…
Abstract
A telescoping retractor comprised of a two stage cylinder assembly actuated y an electroexplosive power cartridge. A pair of cylinders are mounted in concentric relation. A piston rod is carried in the inner cylinder. The power cartridge produces the gas which sequentially retracts the outer cylinder, the inner cylinder and then the piston which is secured to the structure to be retracted.
Claims1
A telescoping retraction device for rapidly withdrawing an umbilical connector from a missile comprising:
- A. an outer cylinder having a first inlet port therein;
- B. an inner cylinder slidably carried in said outer cylinder, said inner cylinder having a second inlet port therein;
- C. a piston slidably carried in said inner cylinder, and a piston rod having a first end secured to said piston and a second end secured to said umbilical connector;
- d. a power cartridge for generating a source of gas and for directing gas in said first inlet port to retract said inner cylinder for alignment of said second inlet port with said first inlet port whereby gas is directed against said piston for movement of said first object from said second object;
- and, shock absorbing means carried in the base of said outer cylinder.
2 more elements
Dependencies are inferred from the claim text.