In order to automatically reset the cam roller 133 in a position to be engaged by the cam portion 129 of the arm 127, the lower toggle lever 136 is connected by means of an adjustable rod 150 with a lever 151 which is pivoted intermediate its ends to the pivot pin 135, the free end...
The wrappers are drawn off by a roughened roller 80 reciprocated by a weighted rod 78 adjustably hinged to a rocking- lever 59 adapted to be driven by a notched reciprocating bar 55. The lever 59 may be lowered to engage with the notch in the bar by means of toggle-mechanism operated ...
The perforator is disposed adjacent a guide roller which guides the film to the bag making unit. The perforator comprises a rod extending widthwise of the film, a plurality of rotary members mounted on the rod and a plurality of needles attached to each rotary member. By this structure, the...
Packeting by wrapping-up. -In a wrapping machine, the movements of various parts of the mechanism are co-ordinated and varied in speed so as to effect a saving in time and to increase the output. The articles A are fed by bands 31, Fig. 1, into position beneath a wrapper in guides ...
The combined box and wrapper are aligned by a stop 40 and come to rest against a stop 46 carried by spring-biased pivoted arms 48. The members 57 advance to force the box against stops 44a, 44b, the stop 46 being deflected by a rod 52 secured to the bridge 58. The members 57 ...