摘要:
This cam motion machine comprises several cams each defining at least one running track for a follower roller. Each cam is provided with a centring reaming on a drive shaft, while means are provided to apply a tightening force parallel to this drive shaft with a non-circular section. At least one washer-spacer, for which the internal edge is non-circular and designed to enable an axial displacement along the shaft and to fix the washer-spacer and the shaft in rotation, and is arranged around this shaft bearing in contact with at least one of the cams. The washer-spacer may be fixed to the cam by adherence and to the shaft by cooperation of shapes due to complementary projections provided respectively on the shaft and on the washer-spacer.
摘要:
A heald frame for a weaving loom comprising an upper cross-member and a lower cross-member adapted to support healds directly therebetween. The upper and lower cross-members are joined together by spaced end members and a plurality of connection members spaced along the length of the cross-members between the end members and attached to the cross-members to restrain relative movement between the cross-members and retain a constant spaced relationship between the cross-members along their length. The connection members have portions of a narrow width extending between the upper and lower cross-members so that, during weaving, warp yarns pass the connection members without interference. First and second connection members are disposed, respectively, at opposite ends of each connecting member for causing reciprocation of the frame.
摘要:
The two-phase gripper loom or weaving machine comprises two loom units arranged adjacent one another. Each of their heald frames can be actuated by a heald frame positioning device with a phase shift of 180 angular degrees. Each heald frame positioning device is associated with a related one of the loom units. There is arranged between the common main shaft of the machine and the two rotary shafts of the two heald frame positioning devices a clutch drive for selectively individually connecting or coupling one or the other rotary shaft with the main shaft of the machine or with an auxiliary drive. This enables, during standstill of the machine, to bring the open weaving shed of one or the other loom unit into a closed shed position until the gripper loom is restarted, prior to which restarting the closed weaving shed is brought back again into the open shed position.
摘要:
The eccentric mechanism includes deflecting levers which are rotatably mounted on a fixed spindle and which bear against bearing elements in order to preclude an accumulation of tilting forces along the line of the levers. Each bearing element has a disc-shaped portion located between two levers and cooperates with a bushing, separate or integral, or a shaft portion to mount a lever.
摘要:
The invention relates to apparatus wherein loom harnesses are operated by cams driven intermittently by respective drives rather than by cams fixed on a driven shaft. The harnesses are illustrated as being lowered by cams against yieldable resilient means tending to raise the harnesses, and the cams as being aligned with treadles carried longitudinally of the loom. Co-acting means are also provided for connecting respective chain drives at predetermined intervals to bearing members, rotatable on a fixed shaft, which carry cams fixed thereto as well as chain carrying sprockets rotatable thereon. The method contemplates operating the harnesses by timing the steps of rotating each cam in a predetermined sequence, and exerting a yielding force upon each cam tending to resist further rotation after the cam has turned on the fixed shaft through a predetermined arc.
摘要:
448,096. Vehicle spring-suspensions. PORSCHE GES., DR. ING.H.C. F., 24, Kronenstrasse, Stuttgart, Germany. Feb. 11, 1936, No. 4102. Convention date, Feb. 11, 1935. Addition to 385,812. [Class 108 (ii)] In the vehicle suspension described in the parent Specification in which the torsion springs are enclosed in a hollow transverse member to which the bearing casings for the link arms carrying the wheel are connected by flanges and bolts the bearing casing for the link member journal is provided with a cylindrical extension which is welded to the hollow member. As shown the bearing casing 23 is provided with a cylindrical extension 39 which is welded in the end of the transverse member 34 housing the torsion bar springs 29, 29 . The casing 23 is provided with two journals 16, 17 of which the latter is connected to the appropriate torsion spring, the journals forming part of or connected to the link members 12, 13. The journals 16, 17 are positioned axially by collar bearings 41, 42 with which collar abutments 43, 44, inserted in openings in the casing 23, engage. The journals 16, 17 are also provided with roller bearings 18 , 20a and bushes 19, 21 and the lower journal 16 is provided with a cross pin 53 adapted, by means of two extensions of the casing, to limit the amount of rotation or oscillation of the journals and consequently the wheel-carrying links 12, 13.