Patent GB-190602131-A (GB)
Title: Improvements in Numbering or like Machines
Inventor: BOULT ALFRED JULIUS
Filed: 1906-01-27
Granted: 1906-06-14
Abstract: 2131. Boult, A. J., [Scotford, L. K.]. Jan. 27. Numbering-apparatus ; inking-apparatus.-A numbering-stamp adapted to be easily set for repeating the same number indefinitely, or for numbering consecutively, in duplicate, in triplicate, or in quadruplicate, has the parts s so arranged as to require a minimum motion of the handle. The numbering - wheels are moved from an inking-pad of special construction as explained below to ensure uniform inking and convenient manipulation, to a printing position, and back, at each impression. The numhering-wheels 7, Figs. 3 and 9, are mounted on a barrel 9 pivoted in bearings fixed to the vertically-sliding frame 2, which is guided in the main frame 1 and is depressed by hand-pressure against the action of a spring 4, acting through the tubular stem 3. A central spindle 20, the ends of which slide in slots 21 in the frame 1, acts as an additional slide. To the ends of the barrel 9 outside the frame 2 are fixed cams 16, engaging with pins 24 fixed on the frame 1, so that as the wheels 7 are depressed the numbers to form the impression are carried from the position X against the inking- pad 40 to the printing position at the lowest point of the wheels 7. On the return movement, those numbers not requiring changing are carried back to the ink pad by the spring-controlled pawls 70, pivoted on the barrel 9, and engaging with either projections 78 or recesses on the rings 7. Those numbering - wheels that require shifting, however, are prevented from passing completely back by a stepped spring-controlled pawl bar 60, which is pivoted on a spindle 62 fixed to the frame 2 and positioned in a longitudinal recess 10 formed in the barrel 9 ; the pawl bar engages with notches 68 in one or more of the wheels 7, and holds them back until the pawls 70 engage with the next projection 78. In the printing position, the pawls 70 are in a position next to the back of the pawl bar 60, and are thus prevented from accidentally releasing the wheels 7. The apparatus as above described would effect consecutive numbering. In order to effect automatically other kinds of numbering, four or other number of pivoted catches 86 are provided, to hold the pawl bar 60 out of action at predetermined times. The desired catch 86 is allowed to come into operative position by setting a pointer on a dial and thereby turning a shaft 92 into such a position that the arm 91 of the particular catch that is desired to operate is allowed to pass into a slot 93. For duplicate numbering, the particular catch 86 has an extension 80 which projects over the ends of ribs 109, 110 on a disk 104. This disk is given one-eighth of a revolution at each impression by a ratchet 107 and pawl 115, Fig. 3, so that the end 80 of the catch is alternately lifted by the ends of the ribs 109, 110 and depressed by the spring 90, thus throwing the pawl 60 alternately into and out of working position. For quadruplicate numbering, a second catch 86 is allowed to come into operation, and the end 80 of this catch is only' lifted by the ends of the rib 110, which is wider than the rib 109. This catch is therefore only allowed to release the pawl 60 once in every four revolutions. For triplicate numbering, a third catch 86 is used, the end 80 of which engages with the ends of a single rib on a disk similar to the disk 104, but making one-sixth of a revolution to each impression. For repeating the same number indefinitely, a catch 86 is employed having no extension 80, and the pawl 60 is therefore permanently held in its inoperative position. In order to ensure an even pressure over the whole surface of the inking-pad, the pad is mounted on trunnions 37 in a frame 34 pivoted on a shaft 32 and releasably secured to said shaft through a catch 44 engaging a pin 42 projecting from the shaft. This allows the pad to be thrown back as shown by the dotted lines for cleaning &c. The pad is pressed against the numbers by levers 43 engaging with levers 53, 54, pivoted at 50 to the frame 2. As the latter rises, the ends 54 come into contact with the fixed frame 1, and thus press the pad against the numbers with the whole strength of the spring 4. On depression of the part 2, small springs move the pad from the numbers before the latter commence to revolve.