Patent GB-388488-A (GB)
Title: Improvements in or relating to the manufacture of chenille for carpets and like fabrics
IPC: D03D39/00
Filed: 1931-11-06
Abstract: 388,488. Typewriters &c. CROSSLEY, C. W., CROSSLEY, C. P., Dean Clough Mills, and OLSON, J., Stannary Hall, both in Halifax, Yorkshire. Nov. 6, 1931, No. 30786. [Class 100 (iv).] Machines for preparing weaving patterns ; line-spacing mechanism. -A manually operable machine, in which a representation of a strip of chenille fabric can be produced on a tape, comprises means for feeding the tape forward a certain distance, means for printing a mark, such as a number or a line, on the tape as required, and means for moving a pointer and a key pattern relatively to one another by a predetermined amount all in one operation of the machine. The apparatus includes a typewriter D, Fig. 2, and a rotatably mounted drum 6 both supported by a table 1, the drum being adapted to carry a squared key pattern A past an adjustable pointer 88. The typewriter is provided with a plurality of number bearing keys 42 and has, in place of the usual platen carriage, a vertically disposed platen wheel 43 over which a tape is led and by which it is advanced. A horizontal shaft 29 is provided with a crank pin for operating a ratchet driving pawl associated with the wheel 43 and is arranged to drive a spindle 27 through the medium of a gear-box B. The spindle 27 is operatively connected, by means of a worm gear, with a shaft 10 on which is mounted for axial adjustment a friction wheel 9 adapted to contact with a disc 8 on the drum 6. The shaft 10 is supported on hinged bearings 11 provided with a spring attachment which normally tends to move the wheel 9 away from the disc 8, contact between the latter parts being ensured, during operation of the machine, by pressure on a foot lever. When the operator depresses a key 42 to print on the tape a number corresponding to a coloured mark on the pattern, a universal key bar rocks a pivoted stirrup frame 66 and thereby operates clutch mechanism C to couple a motor driven sleeve 81, Fig. 4, to the shaft 29, the latter being provided with an arm 84 for disengaging the parts of the clutch at the end of one revolution. Rotation of the shaft 29 causes the tape and the drum 6 with the pattern A to be advanced a predetermined distance. A counter 41, operable from the shaft 29, is provided to facilitate adjustment of the wheel 9, the final position of the latter being determined when the number recorded agrees with the number of squares in a circumferential row of the pattern. The gear box B is provided for the purpose of reversing the drum 6 whilst maintaining the feed of the tape in one direction. In order to register the number of squares of each colour in any pattern employed, each of the keys 42 is operatively connected with a counter 90, Fig. 14, depression of a key effecting withdrawal of an abutment 97 and permitting its associated link 91 to move forward, under the action of a spring 99, during the clockwise movement of a pivoted member 93. If succeeding squares of the pattern A are of the same colour, lines instead of numbers can be printed on the tape, by operation of a shift key of the typewriter. A modification is described in which the pattern is supported on a vertically disposed endless steel band.