Letters indicating the different parts in [Fig. 17], correspond to those used in [Fig. 16]. As mentioned before, the pistons, A and B, of the cutting head are connected below the table to the cutting levers, and by a simple combination of levers, the cutting pedal is brought in direct relation to the cutting lever; all of which are illustrated in the perspective view of the Royle machine in [Fig. 20], and the Uhlinger machine in [Fig. 12]. The working of the cutting pedal is very simple. Pressing the pedal, situated at the right, causes the punch head to descend, and the punch penetrates the card. Transferring the pressure from the right to the left pedal raises the punch-head to its former position, (punches above card), ready for a repetition of these movements. The “skip” arrangement allows the carriage to advance the distance from one pin to the other in the card-rack, thus placing the card in proper position under the punches.
At the proper height above the punch-head is the reading-board, on which the guide-rules are moved across the design by screws, which are connected by gearing and operated by means of the hand-wheel or crank shown on the lower side of the board. As drawing-pins or thumb-tacks are generally used as fastenings for the design, the reading-board is made of soft wood, and its trimmings are made of hard wood.
Fig. 21.
[Fig. 21] illustrates the Uhlinger Card Stamping Machine operated by belt-power. Being the same in principle as the foot-power machine, it is only necessary to state that instead of working the machine by means of the cutting pedals, it is done automatically by simply touching any of the keys that operate the punches; thus the machine makes one stroke and punches the required holes.
The Stamping of Cards.
Fig. 22.