US2019077A - Razor - Google Patents

Description

Oct. 29, 1935.

T. HAIJLTON RAZOR Filed Jan. 7, 1935 Patented Oct. 29, 1935 UNITED STATES PATENT OFFICE RAZOR Thomas Haulton, Johnstown, Pa.

Application January 7, 1935, Serial No. 781

7 Claims. (Cl. 30--64) The invention relates to a new and improved razor of the safety or semi-safety type in which a blade-carrying head is carried by the upper end of a. handle.

One object of the invention is to provide a razor whose handle is provided with a novel finger grip portion near the razor head and of considerably greater front-to-rear diameter than the major portion of said handle, said nger grip portion being provided with Substantially flat sides facing toward the ends of the head so that it may be conveniently held between the thumb and forenger, allowing the user to have a much better grip on the handle than ordinarily.

The handle, in the construction herein disclosed, is pivoted to the head to swing into any desired angular relation therewith, and a further object of the invention is to provide a novel hinge connection between head and handle which acts not only as a hinge but constitutes the above explained finger grip.

Another object of the invention is to provide an exceptionally simple and inexpensive one-piece head for receiving the razor blade, said head being of such form that the rear corners of the blade are accessibly exposed, allowing said blade to be pushed endwise in either direction from the head.

Yet another object is to provide means actuated by the pivoted handle for holding the blade when said handle is swung to an operative position and for releasing said blade when said handle is swung to an inoperative position. In the construction disclosed, this means includes a cam on the pivoted end of the handle for bringing said means into play and for releasing it, and a further object of the invention is to provide a cam of such formation as to allow swinging of said handle to different operative positions, without releasing the blade.

Another object of the invention is to provide simple and inexpensive resilient means which may be employed instead of the above mentioned means for holding the blade in the head.

A still further aimis to provide a blade of novel form for coaction with either the cam-actuated or the resilient blade-holding means.

Yet another aim is the provision of a razor which may be easily and inexpensively manufactured and hence sold at a reasonable price.

With the foregoing in view, the invention resides in the novel subject matter hereinafter described and claimed, description being accomplished by reference 'to the accompanying drawini.

Fig. 1 is a side elevation of a razor constructed in accordance with the invention.

Fig. 2 is a rear side view.

Fig. 3 is a vertical sectional view substantially on line 3-3 of Fig. 2.

Fig. 4 is a view similar to Fig. 3 but showing the handle swung to blade-releasing position.

Fig. 5 is a view similar to Fig. 3 but illustrating a slightly different construction in which the thick rear portion of the blade is provided with a groove coacting with the blade-holding means.

Fig. 6 is an upper end view illustrating resilient means which may coact with the blade groove to hold the blade in the head.

Fig. 7 is a sectional View on line 'I-I of Fig. 6. 15

Fig. 8 is a rear edge view of the blade.

Fig. 9 is a vertical sectional view showing a razor constructed to use a double-edged blade and operable to hold said blade by means of a handle-carried cam.

Fig. 10 is a sectional View on line Ill-I0 of Fig. 9.

Preferred features of construction have been shown and will be specifically described, with the understanding however that within the scope of the invention as claimed, variations may be made.

The form of construction illustrated in Figs. 1 to 4 will iirst be described. In these views, I2 denotes the head of the razor to receive a forwardly tapered hollow ground blade I3, said head being formed of one-piece construction .and comprising an upper ange I4, a lower liange I5, and la bight portion I6 integrally connecting the rear portions of said anges. The lower ange I5 projects forwardly beyond the fiange I4, is-downwardly curved, is formed with a straight front edge Il, and is provided with a longitudinal slot I8 to clear the cutting edge of the blade I3. The rear portions of both flanges I4 and I5 and the ends of the bight portion I6, are out away as shown at I9, thereby accessibly exposing both rear corners of the blade I3 so that either of said corners may be pushed when removing the blade from the head. This construction also allows the blade to be slid endwise to a slight extent from the head, should this be advisable for reaching any portion of the face not so easily accessible.

The lower side of the head I2 is provided with two parallel downwardly projecting lugs 20 disposed in planes at right angles to the length of said head. In the present showing, the iiange I5 is thickened at 2| between these lugs 20, and this thickened portion is provided with an opening 22 which slidably receives a pin 23, said pin and opening being preferably stepped as shown (Sliv and being of square cross section, the stepped formation serving to prevent sliding of the pin from the opening 22 when the blade I3 is out of the holder or head. The pin 23 is positioned to abut the lower side of the blade I3 to hold the latter in place, and a cam 24 is pivoted between the lugs 20 to either apply or release said pin. This cam 24 is rigidly carried by the razor handle 25 and a screw 26 is provided to connect said cam with the lugs 20 between which it is located. A screw driver 21 may, if desired, be carried in the handle 25 for tightening the screw 26 to maintain the proper degree of friction be'- tween the lugs 20 and the cam 24 so that the handle and the head may be held at different angles with respect to each other in accordance with the users requirements.

The cam 24 is provided with a dwell 28 which is concentric with the pivot screw 26, said wellbeing of such length as to permit swinging of the handle to various operative positions without releasing the pin 23. When the handleY is swung to an extreme inoperative position as seen for instance in Fig. 4, the dwell 28 leaves the pin 23, allowing the latter to slide downwardly, thereby freeing the blade |3 and allowing easy removal or adjustment thereof.

The lugs 20 and the lug or cam 24 are of a front-to-rear diameter considerably greater than the diameter of the major portion of the handle 25 and they thus provide an effective grip to be conveniently held between the users foreiinger and thumb, allowing him to more advantageously and conveniently grip the handle than would otherwise be possible.

In the construction shown in Fig. 5, a head I2 constructed in the same manner as the head I2 is pivotally connected with a handle 25EL in the same manner in which the head- I2 isv connected with the handle 25. The cam 2|!8L of the handle 25a serves to apply and release a holding pin 23e for the blade |3. This pin however, is located further to the rear than the pin 23-ar-1d the blade |-3a is formed with at least one transverse groove |-3 opening through its lower side and through its wide rear edge, to receive the upper end of said pin 23a. Preferably, the blade is provided with two of these grooves as seen in Figs. 5 andv 8. These grooves are also seen in Fig. 7 in which a different means is provided to hold the blade |-3EL inthe razor head I2b.

In Fig. 5, the pin 23 is. applied and released by the angling of the handle as above described in connection with the first form of construction.

-The upper flange I4o of the head |2b in Figs. 6 and 7, may if desired be more resilient than the corresponding flange of the head I2 or I2, and said flange I4b is formed with a longitudinal slot 29 and with an integral finger 30 lying within said slot, said finger having` a detent portion 3| to engage the uppermost of the grooves I3. Two of these grooves are provided in order that'the blade |3 may be inserted with either side uppermost. Both grooves are of transversely V-shaped form so that their upwardly diverging side walls will retract the detent 3| when pushing the blade out of the head.

In the structure of the device shown in Figs. 6 and 7, the handle 25b is pivoted at 26b to the head |2b, said pvot passing through a lug 24b on the upper end of the handle 25b and through a pair of lugs which project downwardly from the head I2, one of these latter lugs being shown at 2|)b in Fig. 7. Like the lugs above described, those shown in Fig. 7 are oi such size-as to constitute an effective grip to be held between the users thumb and forenger.

In Figs. 9 and 10 a differently constructed head |2 is provided to receive a double-edged blade |3, said head I2c being provided with parallel 5 downwardly projecting lugs 20 between which a cam 24 on the handle 25, is pivoted at 26. Within the head |2 is a presser plate 32 to abut the lower side of the blade |2, said presser plate having a lug 33 between the lugs 20 and cooper- 10 able with the elongated dwell of the cam 24. When the handle 25 is in an operative position,

the cam 24 holds the presser plate 32 in such position as to tightly clamp the blade |2 in place but when said handle is swung to an inoperative 15 position, said. presser plate is released to release the blade, allowing removal of the latter. The lugs 20 are of such size as to constitute a nger gripcorresponding to that above described and it will be seen that the dwell 28 of the cam` 24 zo is not. only concentric with the pivot 26 but is sufiiciently long to allow movement of the handle 26vto various operative positions without releasing the blade.

It will be seen from the foregoing that a rather simple and inexpensive construction has been provided for carrying out the objects of the invention, and attention is again invited to the possibility of making variations within the scope of the invention as claimed.

I claim:

1. A razor comprising a blade-receiving head having an opening through its lower side, a pin slidable in said opening in position to push against and hold the blade, a handle having a 36T cam for applying and releasing said pin, and means pivotally connecting said handle with said head.

2. A razor comprising a blade-receiving head having an opening throughitsl lower side, a pin o slidable in said opening in position to push against and hold the blade, a handle having a cam for applying and releasing said pin, and means pivotally connecting said handle with said head, said cam having a dwell concentric 45 with the handle pivot and sufficiently long to allow swinging of said handle to different operative positions without releasing said pin.

3. A razor comprising a blade-receiving head having two downwardly projecting parallel lugs |504 and an opening between said lugs, a pin slidable in said opening to abut the lower side of the blade, a handle having a cam received between said lugs for applying and releasing said pin, and a pivot pivotally connecting said cam with said W'v lugs.

4. A razor comprising a blade-receiving head having two downwardly projecting parallel lugs and an opening between said lugs, a pin slidable l in said opening to abut the lower side oi the 0W blade, a handle having a cam received between said lugsfor applying and releasing said pin, and a pivot pivotally connecting said cam with said lugs, said cam having a dwell concentric with n said pivot and suficiently long to allow swingingl 05- of said handle to different operative positions without releasing said pin.

5. A razor comprising a blade-receiving head having two parallel downwardly projecting lugs and an opening between said lugs, a handle having a cam pivoted to and disposed between said lugs, andVblade-holdingrmeans actuated by said cam and including a portion slidable vertically in' said opening.- Y

6. A razor comprising s. handle-carried head Wl 'into which a blade may be slipped endwise, said head having a resilient top ilange to lie upon the blade, said top flange being provided with a slot and with a finger in said slot, said nger being elongated in the direction in which the blade is inserted or removed, having one end integral with said top flange and at its other end being provided with a downwardly projecting V-shaped detent to engage a notch in the blade.

'7. A razor comprising a handle-carried head into which the blade may be slipped endwise, said head having a resilient top flange to lie upon the blade, said top flange being provided with a. slot and with a finger in said slot, said nger being elongated in the direction in which the blade is inserted or removed, and having one end integral with said top ange, and at its other end being provided with a downwardly projecting V-shaped detent, and a blade in said head having a wide back edge and forwardly converging sides, said blade having a transverse groove which opens through one of said sides, said groove receiving said V-shaped detent and having upwardly diverging sides to release said detent when the blade is started endwise from the head.

THOMAS HAULTON.

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