Firearms – Muzzle making – attaching or repair
Patent
1990-09-12
1991-05-21
Kyle, Deborah L.
Firearms
Muzzle making, attaching or repair
33233, F41G 102
Patent
active
050163817
ABSTRACT:
Removable front sight for the barrel of a firearm has an upper blade portion, a generally rectangular base portion and a lower shank portion. The base portion is adapted to fit into a correspondingly shaped recess and the shank portion is generally cylindrical in shape to fit into an upwardly opening bore formed in the upper surface of the gun barrel and adjacent the muzzle end thereof. A longitudinal hole extends from the muzzle end of the barrel, communicates with the bore, and terminates rearwardly thereof to provide a housing for a combination spring and detent disposed therein. The detent is urged forwardly by the spring to engage, releasably, a groove in the shank having an axially opening entry portion and a detent receiving cavity angularly offset from the groove. A pin extends across the longitudinal hole and fits into a trough formed in the upper edge portion of the detent to limit the stroke of the detent. The spring is compressible sufficiently to enable the shank to be removably fitted into the bore by a combination of angular rotation and axial movement of the shank relative to the bore.
REFERENCES:
patent: 2788600 (1957-04-01), Pokorny
patent: 4015354 (1977-04-01), Brouthers
Kyle Deborah L.
Smith & Wesson Corp.
Wendtland Richard W.
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