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parts A3 A2 R H K4 C B A' E D2 A Fig1 Fig1 D' H K5 C R H K5 D2 E' E D B A A' E' E Fig2 Fig2 E A2 D A E A' A3 B C Fig3 Fig3 D' H K' K D K2 H D2 A2 A3 B C x-x x-x x-x Fig4 Fig4 H R K5 E2 E E' D D' K' K3 K4 Fig5 Fig5 H K' K5 E2 E' E D' D K3 K4 K Fig6 Fig6

Home Safety Razor



FiledWednesday, 10th October 1888

PublishedTuesday, 7th May 1889

InventorHenry B. Leach


CPC Classification:   
  • B26B21/24
    Safety razors with one or more blades arranged transversely to the handle of the magazine type; of the injector type
  • B
    Performing Operations; Transporting
  • B26
    Hand Cutting Tools; Cutting; Severing
  • B26B
    Hand-Held Cutting Tools Not Otherwise Provided For
  • B26B21/00
    Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
  • B26B21/08
    Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
  • B26B21/14
    Safety razors with one or more blades arranged transversely to the handle

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A PDF version of the original patent can be found here.

No. 402,946.Patented May 7, 1889.
United States Patent Office.

Henry B. Leach, of Boston, Massachusetts. Safety-Razor.
SPECIFICATION forming part of Letters Patent No. 402,946, dated May 7, 1889. Application filed October 10, 1888. Serial No. 287,769. (No model.)

To all whom it may concern:

Be it known that I, Henry B. Leach, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Safety-Razors, of which the following, taken in connection with the accompanying drawings, is a specification.

The object of my invention is to construct the frame or holder of a safety-razor with an adjusting device that will perfectly control the position of the blade in relation to the edge of the guard without any projections or uneven surfaces on the front of the frame or holder. This object I attain by the mechanism shown in the accompanying drawings, in which—

Figure 1 is an elevation of my safety-razor, a part of the frame being represented as broken out. Fig. 2 is a plan of the same. Fig. 3 is a rear elevation of the same. Fig. 4 is a front elevation, the blade being removed to show the other parts more clearly. Fig. 5 is a vertical section, enlarged, taken on line x x of Fig. 4; and Fig. 6 is a perspective, enlarged, showing details.

In Figs. 1 and 2 A represents the handle of my safety-razor frame, and D D′ D2 the rear plate.

A′, Figs. 1, 2, 3, and 4, is an arm extending from the handle A forward and over the blade R, to afford a suitable holder, A2 A3, for the clamping-screw B. To adjust the distance to which the clamping-screw B may be turned down, I use a gage-screw, C, the end of which rests on the disk A3.

The frame D D′ D2 (shown in all the figures, but represented as cut off in the perspective view, Fig. 6) consists of a back, D, and end pieces, D′ D2, bent, as shown. The end pieces, D′ and D2, have clips H, the function of the clips being to assist in holding the blade R in place.

E′ E′ are re-enforcing pieces attached to the plate D, that forms the back of the frame and serves to give a better support for the adjusting-screws E E.

To make a better finish, the re-enforcing pieces E′ may be bent over, as shown at E2, Figs. 5 and 6, the part E2 serving to cover the joint between the part K5 and the end of the screw E, thus making a smooth finish.

The guard K, Figs. 4 and 6, has two arms, K′ K2, extending upward, as shown in Figs. 4, 5, and 6. These arms K′ K2 may be bent, as shown at K5, Figs. 5 and 6, to form seats for the ends of the adjusting-screws E E, although this is not necessary, as the screws E E may impinge directly onto the rear of the arms K′ K2 and be equally effective.

The guard K and its arms K′ K2 serve as a front plate for the blade R to rest upon. By moving said plate to or from the clips H H, the blade may be adjusted up or down in relation to the guard K on said plate.

Near the lower part of the guard K, I have rearwardly-projecting arms K3, one of which is shown at Figs. 5 and 6—there being two, one at each end of the guard.

By means of the rearwardly-projecting arms K3 and pivots K4, I am enabled to swing the upper end of the guard-plate K K′ K2 in and out, so as to adjust it to the thickness and shape of the blade. This adjustment I accomplish by the adjusting-screws E, The rear ends of the arms K3 serve as checks to prevent the plate from moving too far forward.

As the clips H H in this device are stationary, being a part of the frame, and as this part, which in connection with the clips forms the blade-receiver, is embodied in the guard, it is evident that the combination of these two elements must form a firm and perfectly adjustable mechanism for retaining, in connection with the clamping-screw B, the blade R in position.

The adjusting-screws E are represented in the drawings with square heads, although they may be made in any desirable style.

The guard and its parts are made of a single piece; but the plate of which it is made is sufficiently elastic to admit of adjusting each end K′ K2 to adapt it to fit a blade that may have become unevenly worn by long use.

It will be observed that the arms K′ K2 of the guard K in fact form the front plate of the razor frame or holder.

I claim—

1. In a safety-razor, the combination of the frame D D′ D2, the holding-clips H H, located as shown, the razor-blade, a clamping device operating upon the top of the blade, the swinging front plate, K, and adjusting-screws E E, substantially as described.

2. In a safety-razor, the combination of the razor-frame D, having end pieces, D′ D2, and clips H H, the guard K, having arms K′ K2, and the rearwardly-projecting arms K3, by means of which the guard-plate is pivoted at K4 K4 within the frame, and the adjusting-screws in the frame bearing upon the back of the guard-plate, so as to move the same against the razor-blade held between the clips and the guard-plate, substantially as described.

3. In a safety-razor, the combination of the frame, having back B and end pieces, D′ D2, the guard K, having the two arms K′ K2 bent at K5 to form seats for the ends of the adjusting-screws, and having also rearwardly-projecting arms K3 pivoted at K4 K4 within the frame, the razor-blade located between the clips and swinging guard-plate, and the adjusting-screw E E, arranged to bear upon the guard-plate, substantially as described.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 1st day of October, A. D. 1888.

Henry B. Leach.


Frank G, Parker,

Matthew M. Blunt.