GB271365A - Fabric measuring machine - Google Patents

Abstract

271,365. Vanderveld, A. Jan, 21, 1927. Measuring.-The fractions-of-a-unit dial 15 of a machine for measuring long lengths of fabric is mounted on a horizontal shaft driven by gearing 9, 10, 12 from the cloth roller 7, and the units dial 36 is mounted on a vertical shaft Immediately over the measuring roller 7 and is moved step by step at each revolution of the dial 15 by a one. toothed pinion 19 and a crown wheel 35. The dial 36 is carried by a horizontal plate 20 pivoted to one side of the machine and at the other side pulled by a spring 26 which normally keeps the crown wheel 35 in engagement with the pinion 19 and the crown-wheel drum 34 against the spring friction grip 42. At the limit of operation of the machine the tail 52 of a lever 51 enters a rotch in the circular rib 54 beneath the dial 36 and the other end of the lever then falls into a notch in the end of the cloth roller 7 and locks it. Zeroizing mechanism. The dial 15 is returned to zero by turning the knob 46 and the spindle 11, and the dial 36 by the coiled spring 37 when the plate 20 is moved by depressing the knob 46 to take the drum 34 out of contact with the brake 42. A spring buffer 39 for the drum 34 is provided. The knob 46 can be depressed only when the dial 15 stands at zero and the presser roller 56 has been lowered to free the fabric. To ensure this, a vertically sliding bar 70 pivoted at 72 to an arm 67 which is pivoted to the frame at 69 can only fall to bring its notch 73 in front of the part 28 of the plate 20 when the end 68 of the arm 67 falls into a notch 17 in a disc 16 on the shaft of the dial 15 which can happen only when the dial reads zero, and when a pin 79 carried bv an extension 77 of the cam 64 for lowering the presser roller 56 is moved into the position shown in Fig. 8 when the roller 56; is lowered.