Shuttle mechanism

Details Shuttle mechanism Shuttle mechanism

1974-09-17

1976-11-23

Schacher, Richard A.

Advancing material of indeterminate length

Means to engage longitudinally spaced modifications in material

Reciprocating or oscillating claw or finger

226 70, B65H 1740

Patent

active

039932320

ABSTRACT:
A shuttle mechanism movable between initial and final positions for accurately, intermittently advancing a stretchable web containing spaced apart, encapsulated articles such as dental packets under a punch for cutting individual articles from the web. Front and rear claw tips enter succeeding sealed joints or grooves in the web in the initial position of the shuttle mechanism. While in this position, the rear claw is moved toward the front claw so that the pitch of the grooves is equal to the normal groove pitch of the web in its unstretched condition.

REFERENCES:
patent: 2268405 (1941-12-01), Kohnle
patent: 2301054 (1942-11-01), Laing
patent: 2996001 (1961-08-01), Schlegel
patent: 3051361 (1962-08-01), Menkel
patent: 3434640 (1969-03-01), Coutant
patent: 3477627 (1969-11-01), Webers
patent: 3587960 (1971-06-01), Gerb

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