US2125360A - Combing machine for wool, cotton, and the like - Google Patents

Description

2, 1938.. I K. J. SCHMITT 2,125,360

'COMBING MACHINE FOR WOOL, COTTON, AND THE' LIKE Filed March 19, 1937- Patented Aug. 2, 1938 UNITED STATES PATENT OFFICE COMBING MACHINE FOR WOOL, COTTON, AND THE LIKE Karl Josef Schmitt, Chemnitz, Germany Application March 19, 1937, Serial No. 131,818 In Germany February 13, 1936 2 Claims. (01. 19-121) This invention relates to a combing machine For the purpose of adjusting the amplitude of the for W001, cotton and. the like, in which the fibrous stroke, the pivot pins m about which the links 9' material to be combed is held in nippers. oscillate, are arranged adjustable and fixable in It is known to equip, in combing machines with slots 12 of the frame members. oscillatable nippers, the nipper guide with re- During the closing movement of the nipper the 5 silient rollers which are arranged on a lever lower jaw c bears practically on its entire width mechanism and are destined to support the lower against a stay 0 inserted in the frame members jaw of the nipper on its entire width as soon as so that the pressure of the nipper is also unithe nipper is moved towards the combing cylformly distributed over the entire width of the inder. A resilient supporting of this type allows lower jaw. The stay 0 is preferably shaped to 10 still a certain yielding of the nipper under the conform with the deflection of the jaws, which pressure exerted upon the same, so that the postakes place owing to the closing pressure acting sibility exists that the nipper comes into contact on both jaws, in that for instance the upper surwith the teeth of the combing cylinder. face 10 of the stay is curved as shown in Fig. 2.

5 The invention has for its object to make it pos- An elastic arrangement, as shown in Fig. 3, 15 sible that the nipper moves toward the circular may be provided instead of the rigid supporting. comb as near as possible without any danger of Here a number of spring buffers q are mounted the nipper touching the circular comb. With this side by side in the stay 0, which spring buffers are object in View the lower jaw of the nipper is depressed during the closing of the nipper and rigidly supported during the closing of the nipper bear with their heads against the stay 0, as soon 20 on its entire width by means of a stay, roll or the as the minimum distance between the nipper and like, rigidly connected to the frames of the combthe circular comb is reached.

ing machine. In this manner, the heads rigidly support the Yielding of the lower jaw under the strong lower jaw c in the lower final position of the pressure during the closing of the nipper is therebuffers. 25 fore absolutely excluded. If desired, the spring buffers may be equipped An embodiment of the invention is illustrated, with means for adjusting the elevation of their by Way of example, in the accompanying drawing heads beyond the stay 0.

in which I claim j Fig. 1 shows in side elevation the arrangement 1. In a combing machine, a pair of frame 30 for opening and closing the nipper. members, a nipper including an upper and a lower Fig. 2 shows in front elevation a stay for supjaw supported by the frame members, and a rigid porting the lower jaw and transverse stay rigidly connecting the frame mem- Fig. 3 shows another form of construction of bers and arranged to support the lower jaw of the means for supporting the lower jaw. the nipper throughout the width of the jaw. 35

The upper jaw 11 of each nipper is movable in 2. In a combing machine, a pair of frame memthe usual manner about a stay 1) connecting the bers, a nipper including an upper and a lower frame members only one of which is visible in jaw supported by the frame members, a rigid Fig. l. The upper jaws a are actuated by cams J transverse stay rigidly connected to the frame keyed one on each end of shaft d of the combing members, springs'bufiers projecting from the up- 40 cylinder e by means of links 9 and h, which are per surface of the stay for engaging the lower interconnected. The links h are hingedly conjaw as it descends during the closing movement nected at their upper end at i with the front end of the nipper, and means on the spring buffers of each upper jaw a and as near as possible to for effecting a positive connection between the the gripping line 1' of the corresponding nipper. buffers and the stay in the lower final position 45 Each of the links g bears through the interof the buffers. mediary of a roll it against one of the cams f. KARL JOSEF SCHMITT.

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