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51. 发明专利

GB960816A Improvements in or relating to pattern control mechanism 未知
公开(公告)号：GB960816A
公开(公告)日：1964-06-17
申请号：GB2322959
申请日：1959-07-07
申请人： COTTON LTD W
发明人： MCCARTHY PATRICK GIDEON , HEWITT DEREK
IPC分类号： D04B11/20 , D04B15/66
摘要： 960,816. Control systems for knitting machines. WILLIAM COTTON Ltd. July 1, 1960 [July 7, 1959], No. 23229/59. Heading G3N. [Also in Division D1] The numbers of knitted courses and of fashioning motions required to make a garment on a multi-section, straight bar knitting machine are controlled by a pair of counters which are set by a binary decimal coded punched card. The courses counter may alternatively be set by manual selector switches, Fig. 19 (not shown). Holes punched in three parallel tracks on the card, Fig. 12 (not shown) represent the number of courses, the number of fashioning motions, the nature of the fashioning (detected and controlled mechanically, see Division D1) and change-over to manual setting. The card may be read photo-electrically, Fig. 15 (not shown) but in the preferred embodiment it is wrapped round a drum and read by feeler actuated switches, the feelers being lifted and the drum advanced on the completion of each set of instructions by a cam-driven linkage, Fig. 9 (not shown). The presence of coded inputs on lines I from the card actuated feelers is detected by OR gates G1, G2 (courses) and G5 (fashions) to energize relays RLD and RLE which, amongst other functions, cause a pulse from generator RSG to temporarily open a set of AND gates so that the courses information enters store CC, and cause a relay RLC to close its contacts RLC1-8 so that fashions information enters store FC1. After a time delay, the fashions store FC1 is disconnected from its input, whereas the courses store CC can be repeatedly connected via the AND gates (see below). After each course of knitting, the main machine camshaft closes a switch CC1, Fig. 16 (not shown) so that a pulse enters on line CL, is shaped at C1S, and causes the number of courses stored in store CC to be reduced by one. Assuming this number to be greater than zero, (otherwise relay RLD would not be energized and this part of the control would be inoperative), knitting proceeds until the number of courses in the store CC has been reduced to one, a condition which is detected by a gate G3 which prepares a coincidence gate CM so that when the last programmed course has been knitted, the next pulse on line CL causes relay RLB to be energized. If no fashions information is present (relay RLE not energized) relay RLB causes the card reader to advance and the next instruction is read. If however relay RLE is energized then relay RLB causes a fashions solenoid to be energized and the cam-shaft is shogged. Two further cam-shaft actuated switches provide (a) an input to the pulse generator RSG so that the AND gates are again closed and the courses information re-entered in store CC and (b) an input on line FL to reduce the fashions count by one. Yet another camshaft actuated switch de-energizes the fashions solenoid and the machine reverts to knitting another programmed set of courses, followed by another fashioning movement. This sequence continues until the fashions number has been reduced to one, when a second coincidence gate FM is prepared by a gate G6 so that after the last fashioning movement, relay RLA is energized and causes the card reacter to advance to the next instruction. The functions of relays RLA, RLB are interchangeable so as to allow a sequence of plain courses only, a series of fashioning movements only, or as above described, a mixed sequence.

52. 发明专利

GB955091A Improvements in or relating to straight bar knitting machines 未知
公开(公告)号：GB955091A
公开(公告)日：1964-04-15
申请号：GB2323059
申请日：1959-07-07
申请人： COTTON LTD W
发明人： WINFIELD DENNIS
IPC分类号： D04B11/18 , D04B15/00 , D04B15/66
摘要： 955,091. Knitting-machines. WILLIAM COTTON Ltd. July 4,1960 [July 7,1959], No.23230/59. Heading D1C. A straight-bar machine is provided with mechanism to enable either a preformed rib portion of fabric to be transferred to the needles or a turned welt to be produced on the machine prior to knitting a fabric blank. In the case of transferring a preformed rib portion to the needles a conveyer is provided on the machine and comprises an endless chain 11 extending completely around the machine and adapted to be driven past a loading station at which point transfer bars 16 containing preformed rib portions of fabric are mounted on to the conveyer, there being a number of positions on the conveyer for mounting the bars corresponding to the number of divisions of the machine. The mountings for the bars comprise plates 15 secured to the chain 11 by guided runner units 13 and which are recessed to receive the point bars 16. After loading the point bars on the conveyer, the conveyer is moved to position one point.bar opposite each division of the machine in which position the bar is supported by the plates 15 above guide arms 1 at each side of each division of the machine. The arms 1 are pivotally mounted at 3 and are pivoted by mechanism operated from the main cam shaft which causes them to rise such that rollers 17 on the point bars are engaged in guide grooves 2 in the arms 1 and simultaneously lift the point bars from the recesses in the plates 15 so that they are detached therefrom. Fork members 6 under the control of mechanism 8 operated from the main cam shaft are then advanced to engage pegs 18 on the point bars and hooks 7 close on the pegs to secure the bars to the forks 6. The forks are advanced so that at the end of their traverse the point bars tilt until they are in somewhat vertical alignment with the needles in which position the rib portion is transferred from the points to the needles. On retraction of the forks 6 the point bars are returned to their position above the plates 15 after which the arms 1 are lowered to enable the point bars to re-engage in the plates. The conveyer is then returned to its preloading position for removal of the empty point bars prior to re-loading the conveyer with a further number of fabric portions. Knitting proceeds by knitting a fabric blank on to the preformed fabric portion. The welt bar may be accommodated to enable a turned welt to be knitted prior to knitting the remainder of a blank on the machine.

53. 发明专利

GB939171A Improvements in or relating to straight bar rib knitting machines 未知
公开(公告)号：GB939171A
公开(公告)日：1963-10-09
申请号：GB1079761
申请日：1961-03-24
申请人： COTTON LTD W
发明人： BENTLEY WILLIAM , BROWN LEONARD
IPC分类号： D04B11/00 , D04B11/04
摘要： 939,171. Knitting-machines. WILLIAM COTTON Ltd. March 13, 1962 [March 24, 1961], No. 10797/61. Drawings to Specification. Class 74 (2). Half points are associated with the transfer points for co-operating with the needles of a straight-bar rib machine and are positioned at the innermost edge of a group to effect loop spreading during widening so as to avoid the formation of eyelets. A single half-point is associated with the transfer points for the frame or machine needles or may be associated with the points for both sets of needles. The points are operated as described in Specification 933,593 and the half point for each group is adapted to be controlled by a cam disc to enable it to operate with the points of the group during widening when it engages the loop of the corresponding needle and spreads it outwardly over the adjacent needle of the same bed. In view of the intervening needle of the other bed, after the widening cycle the two needles containing the spread loop are able to knit individual loops.

54. 发明专利

GB933593A Improvements in or relating to straight bar knitting machines 未知
公开(公告)号：GB933593A
公开(公告)日：1963-08-08
申请号：GB3704560
申请日：1960-10-28
申请人： COTTON LTD W
发明人： BENTLEY WILLIAM , BROWN LEONARD
IPC分类号： D04B11/04
摘要： 933,593. Knitting-machines. WILLIAM COTTON Ltd. Oct. 23, 1961 [Oct. 28, 1960], No. 37045/60. Class 74 (2). In a straight bar rib knitting machine having two sets of bearded needles mounted upon bars operated by cams and having fashioning mechanism in which loop transfer points are carried by a narrowing head for dipping and sideways motions in a known manner, finger boxes for the left-hand and right-hand selvages are connected to the narrowing machine rods 5 and 6 and have identical movements. The box 7 has points 7b and 7c for the frame needles 1 and machine needles 2 respectively depending from a mounting block 7cb associated with rod 5 and depending from a pivoted block 7d. Block 7d is connected by a rod 9 to an arm 10 pivoted at 11 and connected by an arm 12 to an operating rod 13 connected to a bell-crank lever 15 by a pin 14. Lever 15 is connected by a link 16 to a rod 17 operated through a truck lever by a cam on the main shaft and having a pin 17a which slides in a slot 18 of a fixed bracket 19. This mechanism operates continuously and is made effective, when required, through a control disc on a shaft 4 having bits 22 engageable with a lever 23. Lever 23 is connected by an adjustable link 24 to an arm 25 pivoted to rod 13 and having a shoulder end 27 movable by link 24 and arm 25 into and out of engagement with the head 14a of pin 14. Pin 14 slides in a slot 13a in rod 13 such that when arm 25 is held by spring 28 with shoulder 27 engaging head 14a, arm 13 is moved by bellcrank lever 15 but, when a bit 22 operates lever 23 to lift shoulder 27 from head 14a, pin 14 rides in slot 13a without moving rod 13.

55. 发明专利

GB910558A Improvements in or relating to straight bar knitting machines 未知
公开(公告)号：GB910558A
公开(公告)日：1962-11-14
申请号：GB436058
申请日：1958-02-11
申请人： COTTON LTD W
发明人： WILBY KEITH TREVOR
IPC分类号： D04B15/00 , D04B15/64 , D04B35/00
摘要： 910,558. Knitting-machines. COTTON Ltd., WILLIAM. Feb. 10, 1959 [Feb. 11, 1958], No. 4360/58. Class 74 (2). Yarn deflecting and severing mechanism is provided at each end of each division of a straight-bar machine and serves to deflect the yarn of an outgoing carrier away from the needles and to sever the yarn extending between the fabric and the usual end clamp after its carrier has been brought into operation. The mechanism comprises a pivoted blade 11 actuated at required times from a pattern device so that its outer edge near the tip 11d engages and deflects the yarn of an outgoing carrier, whilst its inner edge co-operates with that of a fixed blade 12 to sever the yarn of an incoming carrier thereby releasing it from its end clamp.

56. 发明专利

GB897763A Improvements in or relating to straight bar knitting machines and variable control means primarily applicable thereto 未知
公开(公告)号：GB897763A
公开(公告)日：1962-05-30
申请号：GB2859557
申请日：1957-09-11
申请人： COTTON LTD W
发明人： BLOOD RAYMOND
IPC分类号： D04B15/64
摘要： 897,763. Knitting-machines. COTTON Ltd., WILLIAM. Sept. 4, 1958 [Sept. 11, 1957], No. 28595/57. Class 74 (2). [Also in Group XXIV] In adjusting the screw 39 of the draw lever 24 to vary the draw bar motion in relation to the periodic adjustment of constant amount of the carrier end stops of a straight-bar machine, the effect of the varying leverage of the lever 24 is compensated for by gradually increasing or decreasing the amount of turn given to the screw so that the adjustments in the movement of the draw bar are also of constant amount whereby the lead of the thread carriers over the slurcocks remains constant. This variable adjustment of the screw 39 which is effected from the constant adjustment of the carrier end stops is achieved through control mechanism 45 comprising an input shaft 2 which is coupled to and rotated with the carrier end stops so that it also receives periodic adjustment of constant amount. Mounted on the shaft 2 is a member 3 of near conical formation haivng a helically grooved surface on which is wrapped a sprocket chain 5 rigidly secured at each end so that it extends around the member 3 in a helical formation. A shaft 12 mounted in the end of the housing of the mechanism freely supports a bracket 11 carrying at its outer end a sprocket 8 which engages with the chain 5 on the member 3. The sprocket 8 is coupled with a sprocket 9 and this latter sprocket 9 is connected by a chain 13 to a further sprocket 14 mounted on and coupled by a splined connection to the shaft 12. The bracket 11 is slidable along the shaft 12 and is moved together with the sprocket 14 along it as the member 3 is rotated. This slidable movement of the bracket 11 is imparted by a screw 18, of the same pitch as the helical surface of the member 3, traversing a nut having a lug 17a engaging between the arms of a fork 11a formed on the bracket 11. The shaft 18 is driven by chain and sprocket gearing 19, 20 from the shaft 2 so that the sprocket 8 engages with and traverses the helically wound chain over the varying diameter of the member 3 such that its rotation, imparted by the rotation of member 3, and that of the shaft 12 is varied as it moves along the member 3. The bracket 11 carries a roller 15 which engages with a cam surface 16 on the top of the housing as the bracket is moved along the shaft 12 so as to hold the sprocket 8 in engagement with the chain 5. The shaft 12 is coupled to the draw lever screw 39 to make the necessary adjustments. As illustrated in Fig. 7 similar control mechanism 46 is provided for adjusting a screw 40 of a lever 28 associated with the draw lever 24, the screws 39 and 40 being coupled together by a link 27 carrying the nuts 41, 42 which adjust the position of the link 27 when the screws are rotated and thereby control the movement of the draw bar from the draw cam 33 operating the levers through the truck lever 31 and link 30.

57. 发明专利

FR1279249A 未知
公开(公告)号：FR1279249A
公开(公告)日：1961-12-22
申请号：FR832353
申请日：1960-07-07
申请人： COTTON LTD W
IPC分类号： D04B11/32

58. 发明专利

FR1258413A 未知
公开(公告)号：FR1258413A
公开(公告)日：1961-04-14
申请号：FR820326
申请日：1960-03-03
申请人： COTTON LTD W
IPC分类号： D04B11/00

59. 发明专利

FR1235065A 未知
公开(公告)号：FR1235065A
公开(公告)日：1960-07-01
申请号：FR804837
申请日：1959-09-10
申请人： COTTON LTD W
IPC分类号： D04B11/32

60. 发明专利

CA598214A STRAIGHT BAR KNITTING MACHINES 未知
公开(公告)号：CA598214A
公开(公告)日：1960-05-17
申请号：CA598214D
申请人： COTTON LTD W
发明人： START ERNEST , BLOOD RAYMOND

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