US1639335A

US1639335A - Blade holder

Info

Publication number: US1639335A
Application number: US721972A
Authority: US
Inventors: Henry J Gaisman
Original assignee: AUTOSTROP PATENTS CORP
Current assignee: AUTOSTROP PATENTS Corp
Priority date: 1924-06-24
Filing date: 1924-06-24
Publication date: 1927-08-16
Anticipated expiration: 1944-08-16

Description

Aug. 16, 1927.

H. J. GAlSMAN BLADE HOLDER Original Filed June 24.

4 INYENTOR Henry J G'a/sman ATTORNEY Patented Aug. 16,1927,

UNITED STATES HENRY J. GAISMAN, or new Yoax, N. Y., ASSIGNOB. 1 9

PATENT" OFFICE.

nu'ros raor PATENTS con BLADE Hot-DEB.

Application filed June 24, 1924, Serial No. 721,972. Renewed November 17, 1926.

My invention relates to improvements in blade holders and is particularly applicable for detachably retaining blades in safety razors and blade stropping mechanism.

An object of my invention is toprovide a blade holder provided with one or more projections adapted to cooperate with a corresponding opening or openings in the interior of the blade between its marginal edges to retain the blade in the holder..

A particular feature of my invention is that a word or symbol, such as a trade-mark, may be outlined in the blade by means of apertures therein and the said projection or projections on the holder may be arranged in such a manner as to enter one or more of said apertures to retain holder for shaving or stropping purposes. In the form of my invention illustrated in the accompanying drawings the blade holder comprises, a pair of hinged members adapted to receive a razor blade therebetween, means upon the holder to detachably retain its members in operative position against the blade, one of said members having the aforesaid projection or projections to cooperate with the aforesaid aperture or apertures in the blade to retain the latter in shaving or stropping position between the said members.

A further feature of my invention is that the means that retain the, members of the holder together for use are provided with means in position to cooperate with the blade for positioning 1t in the holder when the members of theholder are separated to receive the blade, which'last named means will release the blade when the retaining means is in position to retain the members of the holder against the blade, 50 that a blade that is not properly provided with apertures for the previously mentioned projections on the holder will not be retained therein for use.

My invention also comprises novel details of improvement that will be more fully hereinafter set forth and then pointed out in the claims.

Reference is to be had to the accompanying drawings forming a part hereof, wherebodylng my invention; K

Fig. 2 is'a face view illustrating parts in position for use;

Fig. 3 is a face view the blade in the.

mounted Fig. 1 is a side view of a safety razor em:

illustrating the memthe plane of Fig. 9 indicates a reverse view of the blade as would be applied in such position agarnsta member of the holder.

Similar numerals of reference indicate correspondingflparts in the several views.

The blade holder comprises members or

plates

1, 2 hinged or pivoted together in such a manner as to embrace the blade 3 and bear against opposite sides thereof. One of said members is secured to a shaft 4, and is shown provided with spaced webs or ears 5 coiled 8'is a face view of the blade, and.v

around the shaft and may be secured thereto in any suitable way, as by denting the webs into the shaft at 6, or by riveting the parts together. The member 2 is pivotally upon shaft 4 as by means of webs or ears 7 coiled around the shaft so that said member may rotate with respect to the shaft and. to'the member 1. The member 1 is provided with means for positioning the blade upon the member and for clamping the members together upon the blade, arranged as follows :an arm or latch 8 is pivotally supported upon member 1, as by means of respectin shown 0 set. at 1 said member, the member being to accommodate the arm upon the member 1, may have a portion overlying the arm or terfere with the. latter, as shown in Fig. 6. The arm or latch 8 is provided with jaws or a recessed portion at 8, near its free end, adapted to receive the edges of

members

1, 2 therebetween to retain said members clamped upon the blade, is indicated in Figs. 4 and 7. Jaws 8 are offset from the plane of the arm or latch 8 at the pivot 9 so as to receive the corresponding ed es of the two

members

1, 2 and the blade 3 tlierebetween, as indicated in Figs. 5 and 7. An arm or latch 8 is shown at opposite ends of -

members

1, 2, near the inner portions of the latter, to correspondingly clamp and retain the end portions of said members.

The blade 3 is shown provided with rivet 9, so as to swing edgewise latch so as not to inor latch 8 so that the blade 3, when resting which are. adapted to be opposed by lugs or projections located'upon the inner portions of the arms or latches 8 to oppose the bladeprojections 3. The arms or latches 8 are shown provided with stops 11 adapted to engage the adjacent edge of member 1 to limit the rotation of said arms relatively to said member, whereby when the arms have been swung from the position shown in Fig. 2 to the position shown in Fig. 3 the projections 10 will be located in position to receive a corresponding recess 3 of the blade with the adjacent projection 3 thereof opposed to the corresponding projection 10.

When a blade is to be-inserted in the holder the arms or latches 8 are moved to the position shown in Fig. 3, to release the

members

1, 2; the member 2 is swung away from member 1, and a blade may be laid upon the latter member in the position shown in Fig. 3, so that the projections 10 will enter the recesses 3 and the projections 3 of the blade will be behind the projections 10. When the blade is to be retained member 2 is swung upon the blade and the arms or latches 8 are moved inwardly so that the jaws 8 will embrace or grip the

members

1, 2 therebetween, whereupon the projections 10 are moved out of the recesses 3 and away from cooperation with the projections 3 of the blade, as indicated in Fig. 2. In such position of the parts theblade would be loose between the members 1, '2, which is the operative position of the latter, and in order to retain the blade between said members when clamped against the blade I provide the blade with apertures, indicated at 12, to receive corresponding projections 13 extending inwardly from member 1., The projections 13 may be formed by embossing or pressing the metal of member 1, as indicated in Fig. 4. The apertures 12 of the blade are shown related in such a manner to one another as to produce a designation, such as a word or symbol. In the example illustrated the word Valet is shown produced by means of the apertures 12 stamped in the blade, having different-parts of-the letters connected by intermediate material of the blade at 14, which serves to strengthen the blade at the apertures while the apertures 12 produce the appearance of the word Valet. Any other desired word or symbol 'may be stamped in the blade by means of the apertures 12. The arrangement of the apertures 12 is such with respect to projections 13 of member 1 that when the blade is laid upon said member certain of the apertures 12 of different letters will be in sition to: receive certain projections 13,

' hereby when the

members

1, 2 are'clamped upon the blade bymeans of the aws 8 the blade will be prevented from sliding from the holder and will be retained in the desired position. As illustrated in Figs. 2 and 3, viewing the holder from the top, the word Valet stamped in the blade reads correctly. The relation of the apertures 12 in the blade to the projections 13 of the holder member 1, however, is such that should the user place the blade in the holder reversely, so that the word Valet reads backwards or from right to left, the appro- I priate apertures 12 would nevertheless receive'the projections 13 to retain the blade in the holder, as illustrated in Fig. 9.

One of the features of my invention is that the projections 13 may be formed in holder member 1 at one period to engage certain of the apertures 12 of the blade, whereas at another period said projections 13 may be located in member 1 in a position to receive any other ofthe apertures 12 of the blade to retain the latter in the holder when the

members

1, 2 are clamped together against the blade. By means of the arrangement described, in case an unauthorized manufacturer of the blades should produce blades having apertures that correspond in location to the pro'ections 13 of member 1 that have been ma e by the original manufacturer at one period, the latter manufacturer, by shifting the position of the projections 13 on member 1 at another period would preclude the use in the holder of such unauthorized blades, because the apertures would not register with the last named projections 13 and the blade would not be retained in the holder because the projections 10 of the arms or latches 8 do My improved blade holder is adaptedfor use in a safety razor, or in connectlon with blade stropping means adapted to rock the blade back and forth for stropping purposes whether such stropping means be incorporated in asafety razor or onlyv in a stropping machine. In the example illustrated in Fig. 1 I have shown my improved holder in a safety razor provided with means for stropping the blade, such as the well known Auto Strop safety razor. The razor frame 15 is provided with spaced uprights 15 in which the shaft 4 is journaled to rock, a gear 16 on said shaft being in mesh with a gear 17 secured to a roller or shaft 18 j ournaled between the uprights 15 in a well known way. A strop is adapted to pass between the roller or shaft .18 and base 19 of the frame so that when the frame is reciprocated along the strop blade holder will be rocked back a d forth by reason of the engagement of t e strop with the roller or shaft 18. Frame .15 is the H shown provided with a guard 20 that is pivotally supported at 21 (on opposite sides), to base 19, a projection 22 on the guard being in position to be manually operated. to cause the stops 23 on the guard to engage the blade edge to retain the latter in shaving position and to release the blade for stropping purposes and for replacement, of -.a blade in the blade holder. This case is the parent application of divisional application Serial No. 155,400, filed December 17, 1926.

Although I have shown two projections 13 on member 1 to engage corresponding apertures 12 in the blade it will be understood that one or more of .such projections may be provided on said member suitably located to engage the corresponding aperture or apertures in the blade.

Having now described my invention, what I claim is:

1. The combination of a blade having spaced apertures in the form of a designation, with a holder having one or more pro jections complemental to one or more of said apertures to retain the blade from displacementon the holder, and means to detachably retain the blade on the holder with said apertures and projections in cooperation.

2. The combination of a blade having spaced apertures in the form of a designation and having a recess and a projection at each end, with a-holder having onecor more projections complemental to one or more of said apertures to retain the blade from dis placement on the holder, and means to detachably retain the blade on the holder, the

holder being provided with movable projections cooperative with said blade projections to retain the blade in the holder, means to move the second named projections out of relation with the blade projections, and means to clamp the blade in the holder.

3. A blade holder comprising members cooperative on opposite sides of a blade,

means to retain the members clamped upon the blade, the blade having one or more openings and one of said members having a corresponding pro ection or projections, and movable means upon the holder cooperative with the blade for positioning the latter upon the holder. said means being out of cooperative relation to the blade when the members of the holder are clamped upon the latter.

a. A blade holder comprising members cooperative on opposite sides of a blade, movable projections on the holder adapted to cooperate with a blade for positioning it upon the holder and arranged to release the blade when it is clamped between the members, and means to retain the holder clamped upon the blade, the blade having one or more apertures and the holder hav ing one or more complemental projections to coo erate with the blade to retain it in the ho der when the first named project-ions release the blade.

Q 5. A blade holder comprising movable' members adapted to clamp a blade therelation to the blade, and means to clamp the members on the blade when saidv projections release the blade, said blade having one or more apertures within its edges, the holder having one or more projections complemental to said apertures to cooperate therewith to retain the blade in the holder when the first named projections release the blade.

6. A blade holder comprising members movable relatively to one another adapted to receive a blade therebetween, arms pivotally carried by the holder and provided with projections adapted to cooperate with the blade for positioning it in theiholder, said arms being provided with jaws to retain the members upon the blade, said projections being so located. as to release the blade when the jaws cooperate with said members, the blade being provided with one or more apertures and one of said mem bers having one or more projections complemental to said apertures to retain the blade upon the members when the first named projections release the blade.

7. A blade holder comprising members pivotally connected together, one of said members having arms pivotally carried thereby, the corresponding ends of said arms being provided with projections to po sition a blade in the holder, said arms be.- ing'provided with jaws to receive the members to retain them clamped upon the blade, said projections being in position to release the blade when the jaws clamp the members, the blade being provided with one ormore apertures and the holder having one or more projections complemental to said apertures to retain the blade between the members when the first named projections release the blade.

8. A blade holder comprising members pivotally connected together, one of said members having arms pivotally carried therebetween, said arms having projections on one side of the pivots and having'jaws on the opposite side of the pivots to receive till the members to retain them upon a blade,

said projections being in position to cooperate with therblade for; positioning the latterhaving one or more projections c0mple-' 5 with recesses at opposite ends and having projections adjacent to said recesses, with a holder having movable members to receive the blade therebetween, one of said members having movable projections to enter said recesses and cooperate with the blade' projections for positioning the blade upon oneof "said members, means to clamp the members .upon the blade and move the second named projections outof engagement with the blade projections, the blade having one or more apertures and one of said members having one or more projections comple-.

mental to said aperture or apertures to retain the blade between the members when the second named projectionsrelease the blade. r

10. A blade for a safety razor having apertures in the form of a designation to indicate the manufacture of the blade, said apertures being so located with reference to projections from ablade holder as only to receive projections that are complemental to certain of said apertures.

HENRY J. GAISMAN.