Ordnance – Automatic – Receiver closures and/or breech block return means
Patent
1978-08-29
1980-05-06
Bentley, Stephen C.
Ordnance
Automatic
Receiver closures and/or breech block return means
89163, F41D 1112
Patent
active
042011132
ABSTRACT:
A return-spring assembly for slide-type automatic pistols in which an inner spring and an outer spring are coupled together so that they work in tandem.
REFERENCES:
patent: 580924 (1897-04-01), Browning
patent: 3435728 (1969-04-01), Pachmayr et al.
patent: 3731590 (1973-05-01), Zimmerman
patent: 4040332 (1977-08-01), Border et al.
Semi-Automatic Sporting Rifle SIG-AMT Owners Manuel.
SIG assault rifle SG 510 Series.
George M. Chinn, The Machine Gun, 1955, vol. IV, p. 487.
Nicholas P. Chironis, Spring Design and Application, 1961, pp. 45 and 170.
"Another Pocket Size .45 Auto," Popular Guns, Jan. 1978, pp. 76-77.
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