Patent GB-190201018-A (GB)
Title: Improvements relating to Machines for Use in Treating Hides Leather Skins and the like.
IPC: C14B1/12
Filed: 1902-01-14
Granted: 1902-06-25
Abstract: 1018. Lake, H. H., [Turner Tanning Machinery Co.]. Jan. 14. Hides and skins; raw and tanned, treating.-Relates to machines for working the surfaces of bides, skins or leather by means of suitable blades or slickers. The skins are folded over the leading edges of feltcovered supports or tables 22 carried by an endless conveyer 21. The tables first carry the skins between a pair of spirallybladed spreading -rolls, then between the two main working members, and finally between the smoothing-rolls 81, Fig. 2. The main working members comprise plates or beds bearing angularlydisposed slicker blades on their surfaces, and held yieldingly towards each other by weighted levers. The following means are provided for treating the portion of the skin which lies over the rounded edge of the table, and consequently escapes treatment by the main working members or rolls :-Suspended from lugs 34 on a cross-bar 35 are a number of chains 32, the links of which are provided with slicking blades, ribs, or working-edges 33. The blades in each chain are alternately wider and narrower, so as to break joint with those of the adjacent chains. The whole series constitute a flexible working-member interposed as a curtain in the path of the tables 22, and adapted to work the skin on the rounded edges of the tables. The lower part of the flexible member normally rests against a flat plate 38, Fig. 7, covered with a layer of sound-deadening and frictional material. A transverse shaft 41 is fixed in a pair of frames 48 adapted to slide on tracks 50. The shaft is normally held towards the right by means of pivoted rods 58, which pass through openings in arms 57 secured to weighted levers 55. On the shaft 41 are loosely carried a number of sprocketwheels 40 each of which engages with one of the chains 32. The sprocket-wheels are provided with hubs against which are pressed braking-blocks 45, the friction being adjustable by screws 47. When the advancing edge of the table 22 comes in contact with the flexible member, the chains bend round the edge, as shown in Fig. 7, under the tension produced by the braking of the sprocket-wheels, and, in the first instance, the friction of the plate 38. The gear-driven cam 65 then commences to move the shaft 41 to the left, against the controlling action of the weight 55.This leftward movement of the shaft keeps the flexible member in action longer than would otherwise be the case. When the flexible member escapes from the sprocketwheels, it rests on the upper surface of the table, from the rear end of which it ultimately falls once more against the plate 38. The cam 65 then allows the shaft 41 to return to its right-hand position. The method of mounting the rolls 81, 82 is shown most clearly in Fig. 11. They are journalled in centrally-fulcrumed levers 83, 84, of which the levers 84 carry the weighted levers 86 and the levers 83 are connected thereto by links 88. The rolls thus tend to move inwards until arrested by adjustable cam - like stops 91. The outward movement of the rolls is limited by adjustable wedge-shaped stops 93.