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Jan. 4, 1949.
I
A, E, DONOVAN
.
2,458,257
SAFETY RAZOR AND BLADE SHARPENER
Filed June 25, 1946
2 Sheets-Sheet l
:16
Jan. 4, 1949.
_
2,458,257
A. E. DONOVAN
SAFETY RAZOR AND BLAISE SHARPENER
Filed June 25, 1946
'
2 Sheets-Sheet 2
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FZZZoz/m By
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Attorneys
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Patented Jan. 4, 1949
t1
D1 STAT E S- PAT ENT 0 FE MI E
2,458,257"v
SAFETYZRAZORZAND BLADEzSHARPE'NER -
Albert E. Donovan, Laniel, Quebec, Canada
Application 511111325, 1946;Serial:No».. 679303621
Exclaim“ (Cl. 513-158),
1,.
The :present invention? 11perta'ms v'to;.an: improve.
ment in shaving blade holders‘ and: ‘ sh‘arpen'ers
and‘ more particularly to safety; razors-zand Irazor *
blade; sharpening: devicesn
The main-(object therefore resideswin‘the'pro-l
vision of shaving and blade sharpening means'eof
irnproved performance: andlof iacacharacten such
that it is-adapted- towusewthe ‘.commonzGillette
type safety‘ razor ‘blade:
A further ‘object of'the-invention is. theepro-- ‘
vision‘ of- a~=razor 'b?ade=:holder adaptediztoiholdi
the- blade both" for. shaving‘ and sharpening
purposes;v
Still
another object
contemplates: a: blade 1
sharpen-ing:device~~ adaptedrzto" preserve: andv re
store,v after use; the--sameckeen'edge2found 15111 a
Figure 10 is a composite perspective'vievwof the»v
razor.- head: element {in disassembled. position;
Figureill isfaipartialztransverse vertical section ‘
through! thenhead'. of the razor and
Figure- -.> 12 -=sh0Ws& in‘ enlarged- detail‘ I a: partial:
perspective VlEtV ‘of tharazor ‘I guard‘ head:
As .-il'1ustrated, thewcombination conznistsv 1137a;
sharpening casing generally=shownnat S‘: adapted
to sharpen a razor - generally shown? at ~‘R':.;
Casing
is a shallowqectangular box; the sidev
Walls *5 ii {of :Which- are!inwardlylbentratthe'top. to: -
form lateralsmarginalv :recesses- I is A: removable ~
honing
strapping element 12 is provided. at the -.
bottom of' said-casings: Thetlongitudinal "re-1a -
‘cesses: E i are'adaptedutoreceivea carriageaassema
bly. generallvg-showntsat C slidableiinsthe bottom:
of {said casing; and r coactingrlongitudinally<-with;
said side: recesses :-by~;means .ztosbe tdescribedtz.
Another object is the provision of shavingand"
The carriage'iC- consists inia skeleton structurev
blade sharpening: meansr=of= simple: design 'and
‘ having;two<'siderpiatesri 3 and I4 'facingaeachfother >
economical construction.
andointermediately' connected/by crosserods' [5.5
Still another .obj eat 'is :to :provideaa substantially '‘
Each side plate It and M is‘outwardly'rbent'a-t
?at abrading surface for sharpening said blade;
the 1top: and; bottom: to‘ :fOI'Hl'I‘: Ueshaped ‘l channel
thus ensuring intimatevhoning contact~sbetween
members :i 3 and .ttislidablyv‘engaging respectiVe- the entire surface of- the cuttingiedgeroi the 'blade'
P 'ly;'?,t_'l3h€‘tO1J‘,lth€ bent porti'onril of sidewall ‘ill-‘a
and said abrading surface;
andgi at the bottom,‘ a. rail-13 laterally ‘and longi-l
Still another objectcontemplatesza combina
tudin'ally' extendingupwardlyifromv the bottom/of
tion of the character describedwhavingz aimini
mum of 1noving parts; being-rugged,‘v and having}
casing S.’ Eachaside vplate ES-Eand‘IMfis further
razor‘ blade? when ‘it leavesthe I factory..
a a comparatively long‘ life‘;v
Other. objects -= and : advantages :of- 'theepresent '‘ 30
invention will become apparent or be further
pointedsout during: the description -t0.'fOl10W.
As’ an example.’ andv for purposes a of iillustraa
tionlonly, a preferred embodiment otthex-invem -
tion is shown, .in- the annexed .drawingsnwherein ‘.7
more provided with a‘pa-i-r of’hal-f circular aper- >
tunes idi’vdiam‘etri-cally opposed andF-adapted‘to'
receive'ithe razor‘bladecrocker described here
under. Each'chann‘el" member lliiiis centrally cut, 7
orrmil‘ed; vertically to form‘ a razor- side-arm‘
locating: slot" 69;.
Thel-razor-bladelrocking means is best shown
Figure 1 is a perspective view~0f the invention;
with the vrazor Yin honing onstroppin-geposition.
Figure 2sis aypartial-perspective view of the
in‘FigsJTa-nd '8; Thus; outside-'the-plates Wand
combination illustrated inFigure 1; showing the
th‘is'1end; aeshait' or pin- til'iprojects-'perpendicue
'larly' ‘from the centre of 'eacnrockin‘g member
T and is rotatably and‘nomslida'bly journalled
in ‘each 'of'the plates iii‘andM at theivirtual
centres of the semi-circularapertures ie’th'rough.
the latter. Between each ofatherplates T, and
the side walls Eil-‘of'the casing is disposed a curved
razor in removed‘ position“,
Figure 3 is‘ an enlarged vdetail‘ of a. verticalcsec
tion taken on the line 3-3 of Figure 1,. .
Figureé is an enlarged detail of avertical sec
tion taken .on the line .4'—4 of Figure?}.
.Zgure 5 is an enlarged detail of a vertical-sec! 45
taken ‘on the .li-neE-S lof ‘Figure (2,"
ure 6 is:aplanhorizontalpartial section‘
ongh the interior portion ofrrthelcasing; showing ‘the carriage with the “razor. removed,
Figure-'7 is a general perspective view,’ partly in
section, of the carriagerside.plateassembly,
Figure. dis a perspectivetview- of‘ther'rocking
means in (the carriage,»
Fignreiiis airont verticalicrossesection ofethe
razor, thelinnenshaftheingishowminperspective
it? a11'l'l'shapedplate-indicated iby=TYis pivotally"
connected centrally‘ "to each of '- the former:
To
elongatediriction shoe 2!, and-?thismemberwill '
slide ‘against the .casingwalls when sufficient force
is ‘applied.
‘
The rocker T is an invertedwT-shaped- member
provided with a pair-rot ' blade ‘ supporting jI‘OOkGI‘
arms ‘22 extending .horizontallyifrom‘its base and:
adapted'lto engage: apertures J8 v10f plates‘ liiaandw
5 ft: and extend mscillatingly: ‘therethrougha; t
The rocker T is iurthermoreazbentirat:theztoia-g:
2,458,257
3
4.
to form an angular ?nger 23 extending rearward
ly therefrom.
The hollow handle 32 is a tubular member open
‘
at both ends and adapted to receive rotatably
into its body the inner shaft 33. The bottom end
spring plate having at the central marginal ‘top
of said handle 32 being secured to the centre of
edge a pair of spaced right-angularly directed
bracket 30 which is also transversely apertured
lugs 24 struck therefrom to provide a space for
centrally to receive sleeve 35. Near the top of
angular ?nger 23. The ends (it of friction shoe
said hollow handle and projecting therein is a
2| are slightly bent inwardly and are adapted to
short lug 16.
press on the side plates l3 and Ill of carriage C.
The inner shaft 33 is threaded at its bottom
The back portion of said shoe 2i resiliently bear
end and is provided at the top with a knurled
ing on the inner side of walls Ill. The lugs» 24
operating knob 34 having a depending ?ange 14
are adapted to receive oscillatingly in the space
which normally rotatably rests on the circum
therebetween the bent ?nger 23 of rocker T and
ferential edge of hollow handle 32 and thus checks
to impart a rocking motion thereto when the
the length of insertion of said inner shaft therein.
carriage assembly C is pulled or pushed.
15 Below said ?ange ‘M the inner shaft is grooved
The razor R consists in a razor head clamping
at 12 and is adaptedgto engage rotatably the
plate 25, a secondary clamping plate 21, a blade
short lug 16 and prevent accidental extraction of
28, a pivoted clamping plate 29, a bracket 30,
the inner shaft from its container, the hollow
bracket side arms 3|, a hollow handle 32, an
handle 32.
inner shaft 33, and an operating knob 34 integral 20
The razor R is assembled by inserting the
with shaft 33.
threaded sleeve 35 through the central apertures
The clamping plate 25 is a transversely curved
of plate 21, blade 28, plate 29 and bracket 30 and
plate provided with end ?anges 15 right-angularly
is received by inner shaft 33 to which it is screwed
directed and extending beyond the sides of said
by means of operating knob 34, the bayonet joints
plate. Each end of the oppositely corresponding 25 of plate 21“ engaging the registering apertures of
?anges 15 is joined with the other by a longitude
plate 29.
I
inal comb guard 26 spaced from the side of clamp
To hone or strop the blade, the razor head
ing plate 25. Each ?ange 15 is furthermore pro
clamping plate 25 is unscrewed by means of oper
vided centrally with a locating transverse slot
ating knob 34 and the remaining elements of the
1| which engages each side-arm 3! of bracket 30. 30 razor are inserted between the slide plates l3 and
Said plate 25 thus forms a shallow arcuate body
M of carriage C. The side arms 3| slidably en
adaptedtq receive in its concave face the other
gaging the slots 69 of channel members It and
head elements of the razor R. The plate 25 is
the ends of the blade 28 resting centrally on the
furthermore provided on its inner surface with
rocker arms 22,
1
an internally threaded sleeve 35 right angularly 85
When the razor thus inserted is given a hori
projecting therefrom and adapted removably to
zontal back and forth motion, it imparts a like
engage co-operatingly, through apertures provid- ~
wise motion to carriage CY and the blade support—
ed centrally therein, the plate 21, the blade 28,
ing rocking arms 22 will allow alternately each
the plate 29 and internally the hollow handle 32.
side of the cutting edge of blade 28 to contact
On‘ the other hand, the inner threads of said
slidably the honing or stropping surface l2 of
sleeve 35 are removably engaged by the threaded
casing S, and thus will cause the blade to be
end-of inner shaft 33.
sharpened‘.
.
Secondary clamping plate 21 is a rectangular
It will be easily understood that the invention
member the top of which is curved transversely
described above o?ers many advantages over the
to ?t the inner surface of plate 25 and provided
prior art: the razor blade does not have to be
on its ?at-bottomed surface with at least two
withdrawn from its holder to be honed and may
bayonet joints 36 and two end slots 38 adapted
be used many times before being changed for a
to engage respectively the registering apertures
new one; the carriage in the sharpening casing
31 and lugs 39 of pivoted clamping plate 29, co
issimple and has a minimum of moving parts; »
a-cting therewith. Plate 21 is furthermore trans
the same advantages are found in the razor
verse‘y apertured centrally to receive sleeve 35.
holder.
As stated before, the blade 28 is a Gillette
The present invention is accordingly consid-,
type blade, rectangular in shape, provided on each
ered to be an advance of the art insomuch as it '
The friction shoe 2! consists in a rectangular
of its sides with a cutting edge 18 and a central
effectively solves, in a manner heretofore un
longitudinal aperture 11 adapted to receive there
known, the problem of resharpening used blades
through the sleeve 35 and bayonet joints 36.
of the Gillette-type.
When the blade 28 is thus received into plate 25,
It must be understood that various changes as
the cutting edge 18 of said blade projects through
to size, shape and arrangement of parts can be
the space comprised between the sides of said
effectuated without‘ departing from the spirit of
plate 25 and the comb guard 25, and cooperate 60 the invention or the scope of the subjoined claims.
with said sides of plate 25.
Having thus described, my invention, I claim:
The c‘amping plate 29 is a rectangular mem
1. A device of the character described com
ber provided on its inner ?at surface with at
prising, in combination, a casing having an abrad
least two apertures 31 and lugs 39. ‘When the
ing element therein, a carriage frictionally-slid- ~
razor is assembled, the apertures 31 are adapted 65 able longitudinally in said casing, a blade holder
to be engaged in registering assembly by bayonet
adapted to grip a blade pivotally, said holder re
joints 36 of clamping plate 21, whereas lugs 39
movably insertable into said carriage whereby
project through apertures 11 of razor blade and
the edges of said blade are disposed transverse
are received in registering assembly by end-slots
the casing, and means on the carriage for auto
38 of clamping plate 21.
70 matically rocking the b’ade to bring alternate
The ends of said plate 29 are pivotally secured
edges thereof into contact with said element
to the end of side arms 3! of bracket 3|] by means
when the carriage is reciprocated'longitudinally.
of short pivots 19 extending therefrom. Plate 21
2. A device of the character described com
is furthermore transversely apertured centrally
prising, in combination, a casing having an‘
to, receive sleeve 25;
"
75 abrading element therein, a blade holder, said
2,458,267
5
holder having blade-clamping means pivotally
gers projecting from the lateral members thereof
secured thereto, a carriage frictionally-slidable
longitudinally in said casing adapted to remov
for the purpose of abutting the under surface of
the blade, a projection on the main member of
each of said T-shaped plates, a shoe disposed
between each of the latter and the sides of the
casing, and said shoes frictionally slidable
ably receive said blade holder so that the edges of
the blade are disposed transverse the casing, and
means on the carriage for automatically rocking
the blade to bring alternate edges thereof into
contact with said element when the carriage is
against the casing sides and engageable with said
projections, whereby said shoes drag behind the
carriage during reciprocation of the latter and
cause tilting of the T-shaped plates in alternate
directions, and said projecting ?ngers transmit
reciprocated longitudinally.
3. A device of the character described compris
ing, in combination, a casing having an abrading
element therein, a blade holder, said holder hav~
ing blade-clamping means pivotally secured
thereto, a carriage frictionally-slidable longi
tudinally in said casing adapted to removably
a corresponding tilting to the blade.
ALBERT E. DONOVAN.
REFERENCES CITED
15
receive said blade holder so that the edges of the
blade are disposed transverse the casing, and
means on the carriage for automatically rocking
the blade to bring alternate edges thereof into
contact with said element when the carriage is
The following references are of record in the
?le of this patent:
UNITED STATES PATENTS
Number
Name
Date
reciprocated longitudinally, said rocking means
having members adapted to abut the blade for
the purpose of positively pivoting the latter.
4. The combination with a device as claimed
in claim 3, of said blade holder adapted to serve
as a component part of a safety razor and coin
prising an elongated handle and a yoked ex
tremity, and said blade clamping means pivotally
580,231
1,182,440
Silberstein ________ __ Apr. 6, 1897
Wyckoff __________ __ May 9, 1916
1,284,059
1,432,949
Cook _____________ __ Nov. 5, 1918
Behrman ________ __ Oct. 24, 1922
1,558,990
1,598,147
1,955,759
Leimberg ________ __ Oct. 27, 1925
Mickelsen ________ __ Aug. 31, 1926
Murrin __________ __ Apr. 24, 1934
2,024,272
secured in said yoked extremity.
5. In a device as claimed in claim 2 said car
3O
riage and rocking means comprising: a pair of
side plates slidable adjacent the longitudinal
edges of said element, stays rigidly connecting
said plates, a T-shaped plate pivotally connected
centrally to each of said side plates having ?n 35
Number
376,067
416,910
Brown ___________ __ Dec. 17, 1935
FOREIGN PATENTS
Country
Date
Germany ________ __ May 23, 1923
Great Britain ____ __ Dec. 19, 1932
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