US2119868A - Warp beam - Google Patents

Description

une 7, 1938- R. v. oLsoN ET AL 2,119,868

WARP BEAM Filed Jan. 50, 193e 49 B. yvenso/z A TTORNEYS.

Patented June 7, 1938 UNIT-ED STAT-ES PATENT GFFlC-E WARP BEAM setts applicati@ Jamai-y 3o, 193s, serial No. 61,567

14 Claims.'

This invention relates to beams, and more particularly to a yarn beam of the type used for the winding of warp threads and having a tubular metal beam barrel provided with screw-threaded portions for mounting the head members; Vand has for one of its objects the provision o-f means axially movable with reference to .the body of the beam to cover at all times the threaded p0rtions thereof over which the warp may be Wound and to prevent any yarn from becoming lodged therein. l

Another object of the invention is to provide means for covering the threaded portions of the beam barrel which may be moved axially back and forth along the beam barrel body without rotation thereon as the head member is adjusted in desired positions along the barrel body member by relative rotation of said members.

A further object of the invention .is the provision of means attached loosely kto `a rotatably mounted head member whereby said-means may be moved lengthwise along the beam barrel member without being turned thereon to cover the screw-threads on the body member as the head member is freely turned by relative rotation with respect to the body member.

A still further objeotof the invention is theprovision of means whereby the clamping device carriedby the hub of the beam head is prevented from opening too far during disengagement of the head from the body member and laxial adjustment therealong so that ithe yarn engaging face of the head will be maintained square with the barrel and run true when the head is adjusted axially and clamped in desired positions. along the threaded portions of the beam barrel.

With these and other objectsin View, the inventioneonsists of certain novel features of construction, as will be more fully described and particularly pointed out in the appended claims.

In the accompanying drawing: Y

Fig. 1 is a side'lelevation of a yarn warp beam embodying the invention;

Fig. 2 is an end view of the beam shown in Fig. 1;

Fig. 3 is a fragmentary longitudinal sectional view of a portion ofthe beam shown in Fig. v1 taken on the line 3--3 of Fig. 2 illustrating the relative relationship of the Ahead member, sleeve and threaded tubular beam barrel;

Fig. 4 is adetail View in vertical'section of the clamping device shown on the head member in Fig. 3;

Fig. 5 is a detail sectional view of the face 1 plate of -the head member shown in Fig. 3;

Fig. 6 is a fragmentary View of a portion of the threaded tubular beam barrel;

Fig. `7 is a detail View of the slidable sleeve shown in Fig. 3 loosely mounted in the faceplate;

Fig. 8 is a fragmentary longitudinal sectional view of a modification of the present invention;

Fig. 9 is a cross-sectional view taken Vonthe line 9 9 of Fig. 8; and

Fig. 10 is a fragmentary longitudinal sectional view of another modified form of beam embody'- ing the invention.

In the construction of beams for yarn, such as warp beams or the like, one typeof beam construction heretofore employed consists Vof a Ahollow beam body member formed of sheet steel and having threaded end portions -on each of which is mounted an adjustable beam head which has threaded engagement with the screw-threads of the beam body portions and is adapted 'to .be

clamped in desired adjusted positions therealong.I

However, in the use of such a beam construction it is particularly desirab-le that the screw-threads ofthe respective portions of the beambody extending inwardly therealong from the yarn engaging face portion of the head membersand disposed the beam heads be Acompletely vcovered at all times regardless of the position of adjustment of the head members in order to Vprevent yarn from lodging in the threads and t0 avoid breakage of -theinner layersfo-f the warp; and in orderthat this result may be accomplished satisfactorily, we have provided means cooperating with Ya head member and movable axially along the body of the beam without turning thereon upon relative rotation of the head member with reference tto the beam body `member for causing said head to Vmove therealong to the diiierent adjusted positions, and vWe preferablyzmake said threadcovering means of such `formand length that it will embrace the body member of the beam and extendi inwardly therealong lengthwise rfrom the yarn engaging face of the head member to wholly cover the threads which may be disposed between the heads and regardless of the relative movement of the heads to diierent adjustedpositions; and as f'- a specific embodiment of our invention we may utilize a sleeve loosely related'to the head member and slidable axially along 'the `bodyof `the beam without turning thereon and over the threads as the head is relatively'rotated with refdetermined amount whereby the head may be disengaged, adjusted axially along the body member of the beam, and clamped in desired positions thereon with the yarn engaging face of said head member being positioned at all times in proper truth with the beam barrel; and the following is a detailed description of various specific embodiments of this invention, illustrating the preferred means by which these advantageous results may be accomplished.

With reference to the drawing, Ill designates the barrel or body member of the warp beam and is of generally cylindrical tubular form, made of sheet metal such as sheet steel, the barrel being provided with spaced threaded portions I I and I2 preferably located at its ends on which are mounted a pair of opposed beam head members I3 and along the length of the body member of the beam upon relative rotation of the members for accommodating warps of different widths,

Each of the head members I3 and I4 may comprise a face portion I5, which may be formed of an annular metal plate, having a hub I6 projecting from one side thereof and integrally attached to the plate by radial strengthening ribs I1 of any desired number suitably secured to the plate I5 at their outer end by welding or the like. The hub I6 is formed with a suitable opening to receive the body member of the beam which opening is suitably threaded as at I8 to engage the screw-threads on the beam barrel portions II and I2, respectively, whereby rotation of the beam heads relative to the body member causes axial movement of the head member along their respective portions of the beam barrel. The hub I6 is split as at 20 with its ends spaced apart. One end portion is provided with a threaded ear 2| while the other end portion of the hub is formed with a non-threaded ear 22. A clamp bolt 23 extends freely through the ear 22 and has threaded engagement with the ear 2I whereby the hub I6 may be contracted in diameter to tightly grip the body member of the beam and bind it thereon and thus prevent relative rotation of the parts. Whenever it is desired to make an adjustment of the beam heads I3 and I4` relative the beam barrel member Il] and to move them along the respective threaded portions II and I2 thereof, the clamp bolt 23 of each head is loosened to disengage the hub grip on the body member of the beam whereupon the head member is rotated by hand relative to the body member to obtain movement therealong to any desired position of adjustment. When this position is reached the heads are each locked in place by turning the clamp bolt 23 in the proper direction to contract the hub I6 on the beam barrel in the manner above described. v

In order to prevent the ears 2| and 22 of the split portion 20 of the hub of the beam head from springing apart and opening too far when the clamp bolt 23 is loosened, the outer sides of the ears 2l and 22 adjacent to the outlying end of the hub I6 is cut away to form the ears 25 and 26, respectively, the ear 25 being provided with a threaded opening 21 while'the ear 26 is formed with a non-threaded hole therethrough. A screw 28 having an enlarged head 29 extends through the hole in the ear `26 and is threaded into the ear 25 wherein it may be adjustedsothat its head'29 will act as a stop to limit to a predetermined amount the extent of opening movement of the hub when the clamp bolt 23 is loosened for I4, respectively, which are adjustable perriitting lengthwise adjustment of the beam hea In order to prevent uncovering of any of the screw threads which may become disposed between the head members from time to time upon endwise adjustment of the heads along the respective threadedl portions of the body member, we have provided a cylindrical steel sleeve 30 which projects outwardly from the yarn engaging side face of the head member and is slidably mounted on the body member I0. Formed at one end of the sleeve 30 is a flange 3l which serves to attach the sleeve to the head member in loose, intertting engagement therewith by means of an opening 32 therein, the walls of which are suitably undercut to accommodate the flange 3| whereby the beam head may be rotated and moved along the beam barrel without turning the sleeve thereon. The inner, cylindrical surface of the sleeve is accurately formed to the proper diameter and size so as to provide a smooth sliding fit on the beam body member I. To this end, the screw threads on the body member are preferably of the square type having top portions comprising sections of a true cylinder, which are arranged so as to be coincident with and constitute continuations of the outer, smooth, cylindrical surface of the beam body member. Also, the sleeve 30 is preferably made of such length that it will extend lengthwise along the body member to completely cover the screw threads thereof when the head members have been fully adjusted to their extreme positions toward the ends of the barrel.

In order to apply friction to retard the rotation of the beam, a sheave 35 is mounted upon each of the ends of the beam barrel I0 and suitably secured thereto, the sheave being of any well known construction and provided with a suitable shaft 36 for supporting the beam for rotation.

In Figs. 8 and 9, a modified beam construction is illustrated in which the body member of the beam is of a generally cylindrical tubular form pressed inwardly to provide a warp fastening means comprising a securing channel 31 having a bottom wall 38 and side Walls 39 at right angles to the bottom wall 38. In this construction, a sleeve 40 of generally cylindrical shape is split lengthwise to provide spaced ends 4I and 42 thereof which extend downwardly from the inner periphery of the sleeve into the warp receiving channel 31. A flange 43 formed at one end of the sleeve 40 serves to connect the sleeve to the head member 45, which is similar in construction to the head member I3 shown in Fig. 3, the flange having loose intertting engagement therewith by means of an opening 46 the sides of which are suitably shaped to accommodate the flange 43 in a manner similar to that above.

ed on the barrel with one of the ends 5I of the split parts extending into the channel 4'9. In this construction the sleeve 50 is not anchored to the head member 52 but instead it loosely cooperates therewith in which one of its ends coning movement is endwise toward the end of the beam it will then be necessary to slide the sleeve by hand axially along the barrel to bring the end again into contact with the yarn. engaging side of the head member before winding the ends of the warp on the'barrel of the beam.V The head 52 may be of any well-known construction, such as an annular plate member 53 and a split clamping hub 55, as shown in Fig. 10 of the drawing, the latter being in threaded engagement with the barrel 48.

The foregoing description is directed solely towards the construction illustrated, but we desire it to be understood that we reserve all the privileges of resorting to any mechanical changes to which the device is susceptible, the invention being defined and `limited only by the terms of the appended claims.

We claim:

1. In a beam, a body member provided with a screw threaded portion therealong, a head member embracing said body member andhaving a portion engageable with the threads on said body member for causing said head member to move axially of said body member upon relative rotation of said members, means loosely attached to said head member and movable along said body member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member, and means to bind said head mem.- ber on said body member to prevent relative movement of said members.

2. In a beam, a tubular bodymember provided with a screw threaded portion therealong, a head member having a hub substantially tting said body member and bearing thereon, threads on the inner surface of said hub member and engageable with the threads on saidbody member for causing said head member to'move axially of said body member upon relative rotation of said members, a sleeve cooperating with said head member and movable along said body member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member, and means to contract said hub to bind it on said body member and prevent relative movement of said head and body members.

3. In a beam, a tubular body member provided with a screw threaded portion therealong, a head member having a hub substantially fitting said body member and bearing thereon, threads on the inner surface of said hub member and engageable with the threads on said body member for causing said head member to move axially of said body member upon relative rotation of said members, a sleeve loosely attached to said head member and movable along said body member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member, and means to contract said hub to bind it on said body member and. prevent relative movement of said head and body members.

4. In a beam, a tubular body member provided with a screw threaded portion therealong, a head member having a hub substantially tting said body member and bearing thereon, threads on the inner surface of said hub member and engageable with the threads on said body member for causing said head member to move axially of said body member upon relative rotation of said members, a sleeve having a flange loosely attached to said head member and movable along said body member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of theposition of adjustment of the headl member, and means to contract said hub to bind it on said body member and prevent relative movement of said head and body members.

5. In a beam, a tubular body member provided with a screw threaded portion therealong, a head member having a hub substantially fitting said body member and bearing thereon, threads on the innerv surface of said hub meme ber and engageable with the threads on said body member for causing said head member to move axially of said body member upon relative rotation of said members, asleeve projecting outwardly. from the yarn engaging face; of said head member and movable along said body mem.- ber and of such length that the threads of said body memberV disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member,

and means to contract said hub to bind it on.

said body member and preventrelative movement of said head and body members.

6. In a beam, a tubular body member provided With spaced screw threaded portions, a pair of head members, one on each of said portions, said head members each having a hub embracing said body member andv provided with a threaded inner surface engageable with the thread-s on said body member for causing saidhead members to move axially along said body member upon relative rotation ofsaid members, sleeves loosely engaging each of saidhead members and movable along said body member and .of such length that the threads of the respective threaded portions of the body member disposed between the head members may be covered atall times regardless of the position of adjustment of .the head members, andV means torcontract` each of rsaid hubs .to bind it yon said bodyV and prevent relative movement of said head and body members.

7. In a beam, a tubular body member provided With spaced screw threaded portions, a pair of head members, one on each of said portions, said head members each having a hub embracing said body member and provided with a threaded inner surface engageable with the threads on said body member forcausing said head members to move axially along said body member upon relative rotation of said members, sleeves having a flanged portion loosely engaging each of said head members and movable along said body member and of such length that the threads of the respective threaded portions of the body member disposed between the head membersA head members to move axially along said body member upon relative rotation of said members, sleeves having a flanged portion loosely engaging and projecting outwardly from the yarn engaging face of each of said head members and movable along said body member and of such length that the threads of the respective threaded portions of the body member disposed between the head members may be covered at all times regardless ofthe position of adjustment of the head members, and means to contract each oi said hubs to bind it on said body and prevent relative movement of said head and body members.

9. In a beam, a tubular body member provided with a screw threaded portion therealong, a head member having a hub substantially fitting said body member and movable thereon, threads on the inner surface of said hub member and ker1- gageable With the threads on said body member for causing said head member to move axially of said body member upon relative rotation of said members, a sleeve cooperatingv with said head member and movable along said body member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member, and means adapted to prevent relative movement of said head and body members.

10. In a beam, a body member provided With a screw threaded portion and a longitudinal groove therealong, a head member embracing said body member and having a portion engageable with the threads on said body member for causing said head member to move axially of said body member upon relative rotation of said members, means loosely attached to said head member and movable along said body member with the head member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member, said means also having a portion thereof positioned in said groove and means to bind said head member on said body member to prevent relative movement of said members.

11. In a beam, a body member provided with a screw threaded portion and a longitudinal groove therealong, a head member having a hub substantially tting said body member and movable thereon, threads on the inner surface of said Vhub member and engageable with the threads on said body for causing said head member to move axially of said body member upon relative rotation of said members, a sleeve cooperating with said head member and having a portion thereof positioned in said groove and movable along said body member and of such length that the threads of said body member disposed under the layers of the warp may be covered at all times regardless of the position of adjustment of the head member, and means adapted to prevent relative movement of said head and body members.

12. In a beam, a body member provided with a yarn securing slot therein and a screw threaded portion along part of said body, a sleeve embracing said threaded portion With its edges spaced and extending into said slot, said sleeve being slidable along the body to cover said screw threads While the Warps are fastened in said slot n and wound on the beam.

13. Ina beam, a body member provided with a screw threaded portion and yarn fastening means therealong, a tubular sleeve of rigid material embracing said threaded portion but terminating short of complete encircling to provide a. gap to expose said fastening means and of an internal diameter larger than the threaded portion to be slidable therealong to cover said screw threads while the Warps may be fastened and wound on the beam.

14. In a beam, a body member provided with screw threaded portions at each end, and yarn fastening means therealong, sleeves of rigid material embracing said threaded portions but terminating short of complete encircling to provide a gap to expose said fastening means and of an internal diameter larger than the threaded portion to be slidable therealong to cover said screw threads While they WarpsY may be fastened and Wound on the beam over said threaded portions.

ROBERT V. OLSON. WILLIAM B. SWENSON.

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