Ammunition and explosive-charge making – Ammunition loading – Loading and shell closing
Patent
1979-05-29
1980-10-21
Sebastian, Leland A.
Ammunition and explosive-charge making
Ammunition loading
Loading and shell closing
86 23, 86 25, 86 32, F42B 3302
Patent
active
042287243
ABSTRACT:
A press type ammunition loader in which the casings are sequentially advanced through a series of work stations by means of a shuttle bar which is reciprocated along the line of the work stations and also moved laterally into and out of engagement with the casing series. A simplified shuttle bar operating arrangement is disclosed including a cam actuated hitch-index shuttle cooperating with other shuttle bar operating components operated by reciprocal movement of lower and upper platen plates which also operate the respective loader components at each work station. The shuttle bar advance and return movement is executed while engaged with C-form springs, maintaining an inward bias force. The upper and lower platens are reciprocated by rotation of a crank-link assembly, which also operates a primer feed slide mechanism, by means of a cable and pulley drive moving a primer slide bar between primer pick up and seating positions. The primer feed slide mechanism provides a dwell in both positions of the slide bar with the feed slider being released by the cable to advance under spring force against an adjustable stop, and thence retracted against a second adjustable stop with a lost motion providing the pick up position dwell of the primer slide bar in either position for reliable primer feed and seating location. The cable drive system allows release of the drive between the crank and the slide bar to enable raising of the upper platen without corresponding movement of the primer slide to enable ready clearing of jammed conditions.
REFERENCES:
patent: 2091397 (1937-08-01), Shockey
patent: 2325642 (1943-08-01), Turnock et al.
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