Firearms – Breech loading – Sliding breechblock
Patent
1989-02-06
1990-03-06
Jordan, Charles T.
Firearms
Breech loading
Sliding breechblock
42 4901, F41C 2508
Patent
active
049053957
ABSTRACT:
An increased capacity magazine for a firearm, such as a pump shotgun, wherein the shotgun has mounted under the barrel thereof a cylindrical housing, the housing having assembled therein a rotating mechanism including plurality of shell retaining tubes in contiguous lengthwise relation, assembled about, and fixed to, a pivot shaft. The housing includes a center tubular housing and forward and rear housings attached to the ends of the center housing. The rear housing has an opening in alignment with the loading port of the shotgun. The forward housing includes a rotation spring member which, upon emptying of the shells from a shell tube, automatically enables rotation of the tubes within the housing for positioning the next tube in alignment with the loading port. Each tube has a spring member therein for urging against a follower, which in turn urges shells within the tube toward the rear housing. An indexing mechanism is provided for indexing each shell tube, and includes a rotation latch pivotally mounted on the rear housing for coaction with a follower arm of the follower. The shotgun is loaded through the shotgun loading port, and after a shell tube is loaded, the revolving mechanism is rotated to the next tube by a turning knob on the forward housing, which winds the rotation spring. During firing, when a shell tube is empty, the follower automatically releases the rotation latch which allows the revolving mechanism, under rotating spring pressure, to advance to the next shell tube in a direction reverse to that of the loading rotation of the shell tubes.
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Jordan Charles T.
Roberts Edward E.
Wendtland Richard W.
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