US1812645A - Fabric cutting machine - Google Patents

Description

I June 30, 1931. c. B. BERGSON 1,812,645

FABRIC CUTTING MACHINE Filed Oct. 1'7, 1929 INVENTOR.

ewe w dim ATTORNEY Patented June 30, 1931 CARL. B. IBERGSON, OF KANSAS CITY, MISSOURI FABRIC CUTTING MACHINE Application filed October 17, 1929. Serial No. 400,248.

My invention relates to improvements in fabric cutting machines. It is adapted for cutting various materials, but is particularly well adapted for cutting fabric, such as material from which clothing is made, blankets, sheets and the like, into strips of usable di mensions suitable for wiping cloths 0r rags.

One of the objects of my invention is to provide a novel cutting machine which is adapted for the slitting of one side only of a tubular member of a garment, such as a sleeve or a trouser or drawer leg.

A further object of my invention is the provision of a novel cutting machine of the kind described which is simple, cheap, durable, not likely to get out of order, which is safe and easy to operate and efficient in its operation, and from which the cutter memn ber may be easily and quickly removed for sharpening.

The novel features of my invention are hereinafter fully described and claimed.

In the accompanying drawings, which illustrate the preferred embodiment of my invention,

Fig. 1 is a view, partly in side elevation and partly in vertical section of my improved machine.

Fig. 2 is a reduced plan view of the same.

Fig. 3 is an enlarged section on the line 3-3 of Fig. 2.

Fig. 41 is a. reduced end elevation of the machine.

Fig. 5 is a top view of the base of the machine, reduced.

Fig. 6 is an enlarged section on the line 6-6 of Fig. 1.

Fig. 7 is an enlarged section on the line 7-7 of Fig. 4. 7

Similar reference characters designate similar parts in the different views. 7

1 designates the flat base of a support on which is mounted a suitable motor, such as an electric motor 2.

Said support is provided with a housing mounted on the base 1 and comprising a stationary side member 3 to which is fastened by bolts 4 a similar side member 5. Bolts 6' fasten the side members 8 and 5 to the top of the base 1. r

dotted lines in Fig. 8, and the sleeve, sup

The stationary member 3 is provided with a bearing 7' which alines with a bearing comprising a recess 8 on the inner side of the side member 5, Fig. 1. I

A rotary cutter is mounted in the housing and consists of a horizontal shaft 9 which is extended throughand'is rotatably'mounted in the bearing 7 and at one end has a recess in which is detachably mounted the adjacent end of the armature shaft 10 of the motor 2. A key 11, Figs. 1 and 6 connects the shafts 9 and 10. Said cutter is provided with a circular blade 12 centrally mounted onthe shaft 9 in the housing and y provided with a peripheral cutting edge portion 13 which extends outwardly through an opening 14 of the housing, which opening is formed'at cut away like portions of the side members 3 and 5 of the housing.

The'other end of the shaft 9 is reduced and rotatably fitted in the recess bearing 8 of the side'member 5. Inside thehousing the shaft 9 has a'shoulder 15 against which bears a collar 16 against which one side of the blade 12 bears. A collar 17 on the shaft ,9 bears against the other side of the blade 12.

A nut 18fitted on a threaded portion of the shaft 9bears against the collar 17.

The base 1 of the support is provided with a horn consisting of a projection 19 having 8 on its upper side a jaw 20 which extends into the opening 14 of the housing, and to one. side of which is detachably fastened a similar jaw 21, by means of bolts 22.

Between the jaws 20 and 21 at the inner ends-thereof is an arcuate groove 28. The blade 12 at its peripheral portion overlaps the jaws 20 and 21 and extends into the groove 23.

.The upper edges of the jaws 20. and 21. where is located the groove 23, are horizontal, and the forward portions of said upper edges are, preferably, forwardly and downwardly inclined, Figs. 3 and 4:.

In the operation of the machine, the motor 2 is started so as to rotate the shaft 9 and blade 12. If it is desired to slit one side only of a tubular member, such as a sleeve or leg of a garment, the hornis inserted into one end of said member, as a sleeve, shown in inc ported and guided by the jaws 20 and 21, is passed through the opening 14 and against the cutting edge of the blade 12, which is rapidly revolving, and which slits the sleeve lengthwise along one side only, so that when the sleeve is slit the full length it is in one piece and of usable size to serve as a wiping cloth for cleaning or other purposes.

When it is desired to remove the blade 12, the bolts 6 at the right Fig. 2, and bolts 4 and 22 are removed, thus permitting the removal of the side member 5 and the jaw 21.

By removing the key 11 the entire cutter may then be withdrawn from the housing, or if it is only desired to remove the blade 12, the key is left in place and the nut and collar, 18 and 17 respectively, are removed from the shaft 9, thus permitting the blade 12 to be removed from the shaft 9.

I do not limit my invention to the structure shown and described, as many modifications, within the scope of the appended claims, may be made without departing from the spirit of my invention.

lVhat I claim is 1. In a fabric cutting machine, a base having a horn provided at its inner end and upper side with a vertical groove, a housing on said base having an opening adapted to receive the goods to be cut and into which said grooved portion of said horn extends, a horizontal shaft rotatably mounted in said housing, a circular blade in said housing fastened to and rotatable with said shaft and extending into said groove and into said opening, a motor on said base having a driving shaft alined with said horizontal shaft, and means for releasably drivingly connecting said two shafts.

2. In a fabric cutting machine, a base having a horn provided at its inner end and upper side with a vertical groove, a housing comprising two side members one of which is stationary and mounted on said base and having a horizontal hole, the other side memher being fastened detachably to said stationary side member and having a hole alined with said horizontal hole, said side members having cutaway portions forming an opening into which said horn extends and into which the goods to be cut are adapted to be passed, a shaft rotatable in said holes in said side members and adapted to be withdrawn from the hole in said stationary member, said shaft having in one end a recess, a circular blade on and rotatable with said shaft in said housing and extending into said opening and into said groove, a motor 011 said base having a driving shaft alined with and extending into said recess in said first named shaft, and releasable means for drivingly connecting said shafts.

In testimony whereof I have signed my name to this specification.

CARL B. BERGSON.

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