US2578896A

US2578896A - Combined scraper and cutter

Info

Publication number: US2578896A
Application number: US178950A
Authority: US
Inventors: George W Moore
Original assignee: Individual
Current assignee: Individual
Priority date: 1950-08-11
Filing date: 1950-08-11
Publication date: 1951-12-18
Anticipated expiration: 1968-12-18

Description

Dec. 18, 1951 Filed Aug. 11, 195o Fig.

G. w. MOORE COMBINED SCRAPER AND CUTTER 2 SHEETS--SHEET l In veutor George W. Moon` Dec. 18, 1951 G, W, MOQRE COMBINED SCRAPER AND CUTTER 2 SHEETS-SHEET 2 Filed Aug. ll, 1950 George W Moore INVENTOR.

Patented Dec. .18, 1951 UNITED STATESv PATENT OFFICE COMBINED SCRAPER AND CUTTER George W. Moore, Twin Falls, Idaho Application August 11, 1950, Serial No. 178,950

This invention comprises novel and useful improvements in a combined scraper and cutter and more specically pertains to an/improved razor blade holder for selectively positioning a safety razor blade in various angular positions with respect to a casing whereby the blade may be adapted for various functions.

The primary object of this invention is to provide a razor blade holder which shall be capable of accommodating, securing and utilizing a conventional form of safety razor blade as a scraper or cutting tool; and for positioning the razor blade in various predetermined and selected exposed positions for different uses of the blade.

A further object of the invention is to provide an improved razor blade holder having an improved means for securely holding a conventional form of razor blade for manipulation by the device, and yet wherein the razor blade may be readily applied to or easily removed from the holder.

Yet another object of the invention is to provide a simplified construction of a razor blade holder wherein the casing of the device constitutes a comfortable, convenient and eicient storage receptacle and handle for a razor blade.

A still further object of the invention is to provide an improved razor blade holder wherein the razor blade and its carrier are normally housed and concealed within a casing and may be selectively extended from the casing in various different predetermined positions for unse.

A still further object of the invention is to provide an improved razor blade holder as set forth in the preceding object wherein improved means are provided for adjustably positioning the razor blade and its carrier with respect to the casing; and for locking or retaining the razor blade in selected adjusted position.

And a nal important object of the invention to be specically enumerated herein, is to provide an improved razor blade holder having a sectional casing for retaining a razor blade with its carrier therein; together with means asso'- ciated with the casing for yieldingly urging the razor blade and its carrier into frictional engagement with one side of the casing to enable the razor blade and carrier to be firmly gripped or held in the casing; accompanied by means associated with and extending exteriorly of the casing for selectively extending the razor blade into various adjusted positions or retracting the same into the casing; and wherein the casing s claims. (el. en -320) sections may be detachably secured together in an approved manner.

These, together with various ancillary features and objects of the invention, which will later become apparent as the following description proceeds, are attained by the present invention, a preferred embodiment of which has been illustrated, by way ofexample only, in the accompanying drawings, wherein:

Figure l is a top plan View of the casing of the device, the razor blade and its carrier being in retracted or recessed position;

Figure 2 is a bottom plan View of the device in Figure l but showing the razor blade lin its extended position; l

Figure 3 is a view similar to FigureV l but with the cover section of the casing removed, the blade and carrier being shown in full lines in the retracted position and in dotted lines a partially extended and inclined position;

Figure 4 is a view similar to Figure 2 but with the back section of the casing removed;

Figure 5 is a vertical transverse sectional view taken substantially upon the plane indicated by the sectional line 5-5 of Figure 1; Y

Figure 6 is a vertical transverse sectional view taken substantially upon the plane indicated by the sectional line 6-6 of Figure 2;

Figure 7 is a vertical transverse sectional view taken substantially upon the plane indicated by lthe sectional line 1 1 of Figure 4; y Figure 8 is a sectional view taken substantiallyV upon the plane indicated by the sectional line' 9 9 of Figure 8 of the blade and carrier of the invention;

Figure l0 is a top plan view, upon a somewhat enlarged scale, of the top or cover section of the casing; and,

Figure 11 is a group perspective view of a conventional razor blade and razor blade carrier forming a part of the present invention.

Referring now m-ore specifically to the accompanying drawings, wherein like numerals designate similar parts throughout the various views, it will be seen that the invention includes a sectional casing, preferably of an economical material having the requisite strength such as sheet metal, this casing comprising a pair of complementary sections including a top section I0 and a back Vsection I2. These sections have mating flanges upon their peripheries for engagement with each other and to provide a chamber within or between the sections.

Preferably the sections are disc shaped, but are provided with straight edges i4 and I6 for the sections l and I2 respectively, these edges being cut away to provide mating or registering slots I8 through which may be extended a razor blade as set forth hereinafter.

Conveniently, the casing is relatively flat and thin, andespecially adapted for comfortable engagement by the hands of the user. To facilitate the gripping engagement of the device by the user, the two sections may be provided with re"- cessed portions or regions 20 and 22 which fur*-r nish a good nger grip for the user.

In order to detachably secure thev sectionsl to'- gether, one of the sections, such. as the front section I5, is provided with locking pins 24 which extend inwardly of the casing and are removably received and extend through locking apertures 2e in the back section |121v A locking; means is provided for releasably retaining the locking projections or pins in the locking apertures, this means, as shown best in Figure 2, comprising a resilient spring member such as` a wire 28 whichv is centrally secured'- to a fastening lug 36 which is secured to the back section l2, the ends of this wire spring having hook portions engaging annular grooves in the locking pins 24.

Referring now more specifically to Figure l1, ln conjunction with Figures 8'- and 9, it will be seen that a carrier is provided for supporting a razor blade for association with and manipulation by the casing which forms a handle for the same.

For this purpose, there is provided a substantially triangular plate 32, although obviously the same may beof any desired shape, this plate' con stituting a carrier for a conventional form of razor blade 34 which has' a reinforced rim 35 cpposite its cutting edge 38, the razor blade having intermediate its ends a slot 40.

The blades specifically adapted for use in the present invention is a conventional form of single edged safety razor blade known to the trade as a Gem safety razor blade.

'The platel 32 forming the carrier is provided at its enlarged end with a pair of channel numbers 42,A which are slightly offset from plane of the carrier 32 and are disposed in alignment with each other at opposite sides of the carrier. These channel members include sidewalls 44 and 4t which are adapted to snugly receive and seat the reinforced rim 36A of the razorblade. At the ends of the channels there are provided hanged portions 48 constituting retaining walls which gage the ends of the reinforcing rim 36 and thus resili-ently, securely but detachablyseat and retain the rim of the razor blade.

Inorder to moresecurely retain the razor blade in thecarrier', the latter is provided' with a pair of parallel slots 50, between which is` provided a tongue 52 whose end extends slightly beyond the channel Walls 4'4 and slightly overl'ies the adjacentv ends of the channels 42. The slots- 8'- impartv a slight resiliency to the tongue 52, so that the razor blade will be yieldingly retained' in the channel members. Thus, the rim. 38 of the raz'or blade may be seated' in the channels upon the bottom walls 42 thereof, and between thev

side walls

44 and 46, and within the in walls 48. The blademay theny be twisted downwardly until the riin 35 is under the resilient tongue 552", the proportions of the part being such that the wallsv 44'. 46 and 48 are of substantially the same thick- 'locking

portions

64 and 66 of the slot.

ness as the reinforcing rim or slightly less than the same, whereby the resilient tongue 52 will yieldingly maintain the rim in the retaining channels of the carrier.

Upon the other side of the carrier from that shown in Figure 11, there is provided a resilient metallic strip or finger 54 which is riveted or otherwise fixed and secured to the carrier as at 55, and at its outer end, which terminates adjacent the smaller end of the carrier plate 32, is provided with a pin or projection 58 which extends exteriorly of the casing for actuation of the carrier.

As will be apparent from Figure 7, the projection tip is provided with annular groove 60 intermediate its ends which facilitates the locking or securing of the carrier in various adjusted positions the amount to be now described.

Referring now again to the casing, it will be seen that the cover Il) is provided with an arcuate slot 6.2 disposed within the recessed portion 20, thisslot having a plurality of notches, recesses' or cut-out portions 54 in itsv periphery, and hav-y ing' a central'. portion t6 which extendsl towards the fiat edge i4 of the section l5.

The end of the projecting pin extends through the slot 52 and is movable therealong, with the annular grooves 68 of the pin being adapted to move along the arcuate extent of the slotv 62 and to be selectively positioned iny the recesses 54 or in the enlarged portion E5. As will be apparent, particularly by reference to Figures 3 and fi, this arcuate travel of the actuating pin 58- will serve tov tilt the razor blade and its carrier when the pin is at either end of the slot and' to thereby cause the corresponding edge of the razor blade only' te be projected from the razor blade slot it.. When the actuating pin is in the midportionof. the slot, the razor blade and. its carrier will be in their retracted position as shown in full. lines in Figure 3. However, when the pin is moving to the enlarged portion 66 of the slot, the razor blade and carrier will be extended. with the razor blade protruding from. the slot as shown in Figure 2, and the razor blade being evenly exposed across the length of the slot.

As will be. readily understood, the resiliency of the ringer E4. serves. toyieldingly urge the actuating pin 58 into locking` position with the various However, when the pin is depressed against the action of thel spring 54, the annular groove BQ will be brought into registerwith the slot and the pin together with the carrier may be readily shifted to its various adjusted positions.

A. guide means` is provided consisting of av guide pin E3' which is. carried by the upper section I0 and extends into thev charnber. within the casing, this pin extending through the previously mentoned slot il of the razor blade and through an aperture 'lil of the rear casing section l2, as shown in Figures 5 and" 7. This pin serves as a pivot pin about which the razor blade and' i'ts carrier may be oscillatedl or pivoted during the adjustment of f the pin 58 through the slot 62, and' also serves as a guide for the razor blade in its evenlyv protrucled positiony as shown in Figure 4;

Frein the foregoing, it is believed that the con-- struction and opera-tion'- of'the device will be read'- ily` apparent. It will be` observed that by mesmov of' tire carrier and itsY adjusting means, a conventional form of razor blade may be selectively entirelyl retracted intol andl housed within the casing of thed'evicewhereby the same willlbe stored with-Y l out danger or apersoir being injuredby the blade.

When desired, the razor blade may be evenly protruded from the carrier as shown in Figure 2 to constitute a scraper or the like. Alternatively, either edge of the blade may be adjustably extended from the edge of the blade slot of the carrier as suggested in dotted lines in Figure 3 when it is desired to employ the blade as a cutting instrument.

From the foregoing, the construction and operation of the device will be readily understood and further explanation is believed to be unnecessary. However, since numerous modications and changes will readily occur to those skilled in the art after a consideration of the foregoing speciflcation and accompanying drawings, it is not desired to limit the invention to the exact construction shown and described, but all suitable modifications and equivalents may be resorted to, falling within the scope of the appended claims.

I-Iaving described the invention, what is claimed as new is:

1. A razor blade holder comprising a casing having a blade receiving slot, a razor blade carrier having a razor blade mounted thereon, said carrier being received in said casing, means operable exteriorly of said casing for moving said carrier to extend the razor blade through said slot in selective adjusted position, said razor blade having a slot, a pin in said casing extending through said razor blade slot for guiding said blade and carrier in said casing.

2. A razor blade holder comprising a casing having a blade receiving slot, a razor blade carrier having a razor blade mounted thereon, said carrier being received in said casing, means operable exteriorly of said casing for moving said carrier to extend the razor blade through said slot in selective adjusted position, said razor blade having a reinforcing rim opposite its cutting edge, said carrier consisting of a plate, offset spaced channel portions on said plate receiving the edges of said reinforcing rim, a retaining tongue on said plate engaging the midportion of said rim and on the opposite side from said channels.

3. A razor blade holder comprising a casing having a blade receiving slot, a razor blade carrier having a razor blade mounted thereon, said carrier being received in said casing, means operable exteriorly of said casing for moving said carrier to extend the razor blade through said slot in selective adjusted position, said means comprising an arcuate slot in said casing, a projection on said carrier extending through said arcuate slot for movement therealong.

4. A razor blade holder comprising a casing having a blade receiving slot, a razor blade carrier having a razor blade mounted thereon, said carrier being received in said casing, means operable exteriorly of said casing for moving said carrier to extend the razor blade through said slot in selective adjusted position, said means comprising an arcuate slot in said casing, a projection on said carrier extending through said arcuate slot for movement therealong, said arcuate slot having spaced locking recesses for releasably retaining said projection in adjusted position.

5. A razor blade holder comprising a casing having a blade receiving slot, a razor blade carrier having a razor blade mounted thereon, said carrier being received in said casing, means operable exteriorly of said casing for moving said carrier to extend the razor blade through said slot in selective adjusted position, said casing having complementary sections, locking pins on one section, locking apertures on the other section receiving said pins, a locking spring releasably engaging said pins and preventing their withdrawal from said locking apertures.

6. A razor blade holder comprising a casing having a blade receiving slot, a razor blade carrier having a razor blade mounted thereon, said carrier being received in said casing, means operable exteriorly of said casing for moving said carrier to extend the razor blade through said slot in selective adjusted position, said casing having complementary sections, locking pins on one section, locking apertures on the other section receiving said pins, a locking spring releasably engaging said pins and preventing their withdrawal from said locking apertures, said spring comprising a resilient wire centrally secured to said other section and having hooked ends engaging said pins.

GEORGE W. MOORE.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Number Name Date 2,291,514 Warner et al July 28, 1942 2,404,141 Nelson July 16, 1946