US1662411A - Spindle for permanent hair-waving machines - Google Patents

Description

March 13, 1928., 1,662,411

. EONAT ET L SPINDLE FOR PERMANENT HIR WAVING MACHINES Filed sept. 25. 192e ATTORNEYS Patented 'VMM'. 13, v1928.

l UNITED sTATEs PATENT OFFICE- SAMUEL no NAT Ann HARRY BoNAT, ornnw Yoan, N. Y.

Application led September 25 1926. Serial No. 137,650.

This invention relates to I spindles for permanent hair-waving machines, and particularly to a spindle including an improved lock. whereby the hair can be securely held. In the permanent hair waving art a strand of hair is wound upon a spindle which 1s then inserted in a casing including a heating element. To secure satisfactory results and particularly to avoid pulling of the hair and l0 consequent discomfort during the winding' and heating operation, the hair must be iirmly held at one end of the spindle. Various forms of locks have been devised heretofore for the purpose but none fulfills the re 'M quirements for a satisfactory device which is at the same time simple, inexpensive and easily operated. l

It is the object ofthe present invention to provide a spindle with a lock which can be manipulated easily to grip the hair firmly and to hold it securely until it is released.

Other objects and advantages of the inyvention will be a parent as it is better understood by re erence to the following speciiication 4and the accompanying drawin in which ig. 1 is a view in perspective of a spindle with the lock thereon and illustrating the v use of the lock in securing the hair to the 3o spindle;

Figs. 2 and 3 are plan vlews lllustrating a convenient form of the lock in closed and open positions;

Fig. 4 is a section on the line 1 -4. of

Fig. 5 is a plan view of a slightly modified f form of the lock;

Fig. 6 is a side elevation of the lock as shown in Fig. 5;

Fig. 7 is a plan view illustrating another form of lock;

Fig. 8 is a similar lview illustrating a lock similar to that shown yin Fig.y 2 but with a secured in aslightly dif- Fig. .12 is a sectional view of the spindle with another form of the lock;l

Fig. 13 isa plan view of another form of lock; and i Fig. 14.- is a section on the Fig. 13.

In the preferred embodiment. of the invention the spindle is provided with a head having a pivoted locking bar secured thereto. The head is formed with a notch which is preferably V-shaped and the locking bar is adapted to be swung into position to close the notch and to secure the hair against the inner edge of the notch.' Owing to the V- shape of the notch the hair is firmly clamped by the locking bar which can be secured'in locking position in a' variety of ways. For

linev 14-14 of example, the locking bar may be provided with a screw at its end and a knurled nut can be mounted thereon so as to be moved into contact with the outer edge of the head. In modified forms the screw can be supported on the side of the head or on the locking bar and the nut can be moved to cooperate with the locking bar or head respectively. Suitable notches may be provided in the head orlocking bar to ermit proper cooperation of the parts. n another form of the invention either the locking bar or the head may be provided with ratchet teeth and a pawl on the corresponding part may cooperate with the teeth to .hold the locking bar in proper position. l In this case there should be a resilient member to maint-ain the pawl and ratchet teeth in engagement until the locking bar is to be released.

In another form of the invention the spindle may be hollow and the locking bar may extend therethrough, having atits end. an, eye or hook through which the strand of hair is threaded. -When the locking bar is drawn into the spindle the strand is locked against the end of the spindle which referably is V-shaped to ensure that the air is firmly held. The locking bar may have ratchet teeth adapted to cooperate with the pawl on the spindle and springs may be provided to maintain the ratchet teeth in engagement with the pawl until the locking bar is to be released.

` These and `other modifications of the inlool 4vention will be readily understood from the following detailed description of the invention.

Referring to Figs. 1, 2, 3 and 4 of the drawing, 5 indicates a spindle having a head 6 secured thereto. The head is made preferably of two plates of generally circular form in spaced relation, the plates having a V-shaped notch 7 at one side. A locking bar 8 is pivoted at 9 between the two plates forming the head. The locking bar is adapted to be swung to open position as indicated in Fig. 3 and after the strand 9 of hair has been inserted in the notch 7 the locking bar is moved to the position indicated in Figs. 1 and 2 to firmly clamp the strand of hair in the notch. The locking bar 8 is provided with a threaded screw 10 at its free end and a knurled nut 11 is mounted thereon and is adapted to be moved into engagement with the edges of the two plates forming the head 6 to securely hold the locking bar 8 in locking position. Thereafter the strand of hair may be wound upon the spindle 5 as indicated in Fig. 1 and the spindle may be inserted in the heating element (not shown).

In the modified forms of the invention as illustrated in Figs. 8 to 11 inclusive, the angle of the V-shaped notch 7 is somewhat more acute than in the forms of the invention previously described. The structure as shown in Fig. 8 is otherwise identical with that shown in Figs. 1 to 4 inclusive. In Figs. 9 to 11 inclusive a single plate 12 forms the head. In Figs. 9 and 10 a locking bar 13 is pivoted at 14 and is provided with a screw 15 carrying a knurled nut 16. The screw is adapted to enter a notch 16 in the head. The nut can be used to clamp the locking bar in the desired position. Fig. 11 illustrates an alternative lform in which a single plate 17 carries a screw 18 and a knurled nut 19. The locking bar 20 is provided with a notch 21 which cooperates with the screw 18, the nut 19 being used as in the preceding forms of the invention to secure the locking bar in closed position.

In Figs. 5 and 6 of the drawing I have illustrated a lock comprising spaced plates 22 to which a locking bar 23 is pivoted at 24. The locking bar is provided with ratchet teeth 25 and when the locking bar is in closed position these teeth engage a pawl 26 on one of the plates 22. A spring 27 holds the pawl and ratchet teeth in cooperating relation so that the locking bar is firmly held. It can be released by depressing the spring 27 sutliciently to permit the teeth to escape from the pawl 26. In Fig. 7 a modification is illustrated in which a single plate 28 carries a pivoted locking bar 29. The plate 28 is provided with ratchet teeth 30 and a pawl 31 is formed on the locking bar to engage the teeth. The locking bar may be made of any suitable material but it is preferably sufiiciently resilient to maintain engagement between the pawl 31 and the ratchet teeth until forcibly disengaged therefrom by the operator.

In Fig. 12 a hollow spindle 32 is provided and a locking bar 33 extends therethrough and is provided at its end with a hook 34 in which the strand of hair may be engaged. The end of the spindle is provided with a V- shaped notch 35 into which the strand of hair is drawn when the locking bar is moved to locking position. Ratchet teeth 36 are provided on the opposite end ot the locking bar and are adapted to engage a pawl 37 on the spindle. Springs 38 hold the teeth 36 on the locking bar in cooperative relation with the ratchet. By iiexing the springs the locking bar can be released to permit the withdrawal of the strand of hair from the hook 34.

In Figs. 13 and 14 the head consists of two spaced plates 39 having a notch 40 therein. A locking bar 41 is disposed between the plates and is provided at one end with a resilient pawl 42 which is adapted to engage teeth 43 on one of the plates 39. Thus one end of the bar is held in adjusted position. The other end is provided with a screw 44 carrying a knurled nut 45 which can be moved into engagement with the plates-39 to firmly hold the bar in the desired position. The strand of hair is disposed in the notch and both ends of the locking bar are then adjusted to grip the strand of hair.

In the various forms of lock as described herein the manipulation required in order to secure the strand of hair is simple and sufciently obvious so that it will be apparent even to relativel unskilled persons. Nevertheless the stran of hair can be firmly clamped and so held that the individual hairs cannot be pulled independently during the operation of winding the strand upon the spindle. The use of the lock as described ensures the most effective results with the greatest possible comfort.

Various changes may be made in the details of construction of the lock as describedy without departing from the invention or sacriiicing any of the advantages thereof.

IVe claim 1. A spindle for permanent hair-waving machines comprising a mandrel, spaced plates with notches therein mounted on and permanently secured to the mandrel and forming a head therefor, a locking bar pivoted between the plates at one side of' the notches and means at the other side of the notches to hold the locking bar in closed pos1t1on.

2. A spindle for permanent hair-waving machines comprisin a mandrel, spaced. the notches to hold the lockingbar in closed plateswth notches t eren mountedon and position.

ermanently secured to the mandrel and In testimony; whereof we aiix our signa.- 10 orming ahead therefor, a locking bar pivtures.Y 5 oted between the plates at one side of the notches, and means on the locking bar to SAMUEL BONAT. cooperate with the head at the other side of l HARRY BONAT.

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