Radial ball lock-up device

Joints and connections – Biased catch or latch – By separate spring

Patent

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Details

403329, F16B 2110

Patent

active

055183352

ABSTRACT:
A lock-up device for a firearm which utilizes a ball and cam arrangement to interlock two members. The interlocked members include ball engagement surfaces which are curved so that a substantial portion of the ball surface is in contact with the engagement surfaces. The lock-up device disposed in a firearm absorbs recoil forces and utilizes the absorbed recoil force to cycle the firearm.

REFERENCES:
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patent: 5416999 (1995-05-01), Coury
"Bolt Actions" by Rick Jamison, Shooting Times, Feb. 1995 pp. 56-70.

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