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Jah. 7,l 1947.
_1_ E, çQNNQLLY>
2,413,864
RAZOR
Filed May 14, -1945
2 sheets-sheet 1
James Z'Í Canna/ly
`hln. 7, 1947.
J, E_ QONNOLLYv
-
2,413,864
RAZOR
Filed May 14, 1945
_
2 Sheets-Sheet 2
' ZÍKÍMVLMW
2,413,864
Patented Jan. 7, 1947
UNITED STATES PATENT OFFICE
_2,413,864
RAZOR
James E. Connolly, Baltimore, Md.
Application May 14, 1945, Serial No. 593,552
17 .Qlairns (Cl. 30.-.65)
1
2
This invention relatestosafety razors _and more
particularly to safety Vrazors of the type `includ
ing a guard, a head, and lmeans for drawing or
lconstruction in which Ithe _blade slot »is open at
one end and eiiten'ds substantially throughout the
length of the blade', the open end of the slot-being
adapted to be passed overa guiding part on the
holding _the .guard _and :head together to _clamp
between -.thema Wafer type Aflexible blade.
(n
-In `»many razors kof Vthis _kind the khead is pro
vided .with va threaded .Stem adapted to _extend
head, and the blade being engaged With a shoul
der or other _surface on the head Vfor bowing the
blade transversely.
'
'
'4
` `
"
`
"'
Another >object is to provide _a «headand blade
assembly in which the blade ¿is held bowed by the
through apertures in the ¿blade 4and >the guard
and to receive lthe interiorly threaded end of a
shank or handle which ,When screwed Vup tightly
on the stern, draws VAtl'1_e_.;gi_uar_d and head together
so as ¿to clamp _the blade lin _operative position.
The guard ,is equipped .with locating _means such
,the-blade is formed with‘an opening »for receiving
as a rib >or s__et of lugs for aligning the blade.
_aprojection on the head.
head itself,»theïbladehaving a slot extending-from
one end only partially to the other end'ah'd termi
nating in a blade inner bridge piece-beyond which
`
`
Another ïobject is «to prov-ide a-blade and head
constructionv` of the kind in which ¿the »blade >has
Most yblades___novv y_used `with_rarzors of this class
are formed Witha eentraljaperture or .slot which
an open ended slot adapted to receive a guide part
on the head so that the blade may be‘rnoved end
_has to ,beslipped _over the-headfs threadedstem
before the guard is applied. Erequentlythe walls
of the ¿bladeaperture orslotcatch kon the lthreads
yof the .stem making itnecessary to jiggle the
Wise ìnto‘position, the end of the blade opposite
the openendoffthe vslot being Aformed with a'tab
.blade a jlittle »to dislodge it from the threads.
or the like Vwhich canbe grasped easily for r'e
Thus _considerablecare ¿is reguired- toposition the
moving the blade from the head.
complete _razor assembly including‘a head, blade,
cate _blade ¿is _handled _carelessly by a heavy
¿lianded person it-catches lon the threads, is forced
and guard, the head andblade-»being so construct
ed that the blade is resiliently-held inpositionbn
`the-head before the guard is placed in .blade
and broken.
I_n_.acco_rdance with thepresent invention these
diiiiculties are eliminated -»byproviçlinga lconstruc
tioninwhich the bladeis formed with a slot adapt
ed to receive aguidingparton the vhe_ad,.s'uch `as
a ribor lug, the bladethen being moved endwise
intoeooperative position with respectto the head.
,Itheretofore-has been’proposed to provide a Wafer
yblade with an open ended slot adapted to receive
a _guide rib on a .safetyrazor headl so that the
blade may be slid endwise _into operative position.
vIn .such prior constructions the blade ñtsloosely
or freely on the head and isîeasily displaceable
'
_Another object of the vinvention-is to provide a
blade on the head. 4Qften, ¿when the thin, vdeli
clamping-position.
`
`
`
A
A ‘ further object is «to provide an improved
30
razor-*head and blade assembly in Which-theblade
hasa llong open ended slot and the head :has
means -for engaging the corners of the blades ad
yjacent the _slot open end for-preventing theblade
f_rQm Spreading.
Other objects `will become apparent from a
_reading of `the»follovving detailed description,.the
appended claims, and the accompanying 4draw
_ingsh in which:
'
AFigurer 1 isa perspective vView of a razor blade
from thehead by even a _slight j_arringor` tipping
_It isgnecessary for the user to hold the _bladeon 40 and head embodying »the invention in rone-form,
-i-,hejblade-being shown as being Yonly partially ap
the head carefully until after the guard hasbeen
applied.
VAn objectfof the presenteinventîonis topro
plied’to thehead andthe longitudinal viiexingcf
the blade-being exaggerated for yclearness .oi illus
tration.
videa head and blade for a razor of the classre
Figure \2- is aA transverseV section of .theblade and
vferred to in whichthe blade can be positioned on
-head shownlinliligure l-.but .with theiblade shown
the head by` endvvisemovementand guided to op
in its cooperative or assembled `position yWithre
erative position by arib, lug, or thelike on the
spect to the head.
'
head extending. into. aslotinthe blade, there be
«Figure 3 isla sideview showing thehead in lon
ing means on the .head VVfor vholding lthe blade
bowedtransversely, whereby accidental displace- " gitudinal section >andthe blade inelevation, the
blade beings'h'own in-an intermediate position _oc
ment of the blade from the head is resisted. rThe
cupiedduring its endvvise movement into vcoop
blade` is thus yieldingly. or resiliently connected to
erative position With respect to the head.
_the-head andwill >holdits position on >thehea'd
While the yguard is' being aplëlíßd.
Another object of the invention isto provide a
' Figure v`4 Í is .-a. transverse , sectional `v_.ievv _»_of .the
assembled head and blade shownin l*Figures ¿1,_2
ausser
3
«Y
4
and 3 in connection also with a guard and han
edges of the head A as to cause the blade B,
dle, all of the parts being shown in completely
when cooperatively positioned on the head, to be
bowed transversely. To this end the shoulder 8
assembled position ready for use.
ypreferably is located between the longitudinal
Figure 5 is a longitudinal sectional view of the
assembly shown in Figure 4.
Ui central portion of the head’s concave face and a
plane containing the head’s longitudinal side
Figure 6 is a plan View of a razor guard looking
. at the face thereof Which is adapted to be posi
tioned neXt to the razor blade.
Figure 7 is a fragmentary assembly plan view
edges. It will be seen, particularly from a con
sideration of Figure 2, that this positioning of
the shoulder 8 with respect to other parts of the
showing one end of the head and the adjacent
head A causes the blade »B to vbe held in the de
end of the blade ofthe construction shown in
sired transversely bowed state. Consequently,
Figures 1 to 6, inclusive.
the blade will not become detached from the
Figure 8 is a view similar to Figure 1 but show
head accidentally before the guard C is put into
ing a modified construction.
place as shown in Figures ‘l and 5. When the
Figure 9 is a transverse sectional view of the
guard C is put in place and screwed down tight
blade and head shown in Figure 8, the blade being
by the handle D the blade will be clamped in
sho-wn in its cooperative position with respect to
the position shown in Figure 4 which corre
the head.
sponds to the positioning of blades in conven
Figure 10 is a View showing the blade and head
tional razors of this type.
illustrated in Figures 8 and 9, the head being 20
In accordance with a further feature of the
shown in longitudinal section and the blade in
invention the razor head and the end of the blade
side elevation in an intermediate position occu
adjacent the open end of the slot are cooper
pied during its endwise movement on the head.
atively formed or related to resist spreading of
Figure 11 is a plan view of a guard adapted to
the blade when it is clamped between the head
be assembled in connection with the head and 25 A and guard C. In the form shown, the blade B
blade shown in Figures 8 to 10, inclusive.
is formed with centering faces 9 which are dis
Figure l2 is a view similar to Figure l but
posed inwardly from the cutting edges 5 and be
showing a further modified construction.
tween the cutting edges and the slot 3. The
Figure 13 is a transverse sectional viewv of the
blade also is formed with transversely extending
blade and head shown in Figure 12, the blade 30 locating faces Ii). When the blade is moved
being shown in its cooperative position with re
endwise into position on the head the surfaces
spect to the head.
I0 will engage blade centering lugs II on the
Figure 14 is a view showing the blade and head
head so as to limit the blade’s endwise movement.
illustrated in Figures 12 and 13, the head being
The lugs II are tapered from their outer edges
shown in longitudinal section and the blade in
downwardly and inwardly toward the center of
side elevation in an intermediate position occu
the head A so that if the blade has any tendency
pied during its endwise movement on the head;
to spread adjacent the open end of the slot,
and
downward pressure exerted on the blade by the
Figure 15 is a plan view of a guard adapted
head C will force the centering faces 9 against
to be assembled in connection with the head and 40 the inclined surfaces of the lugs II which will
blade shown in Figures l2 to 14, inclusive.
cause the faces 9 and the associated blade por
The embodiment of the invention shown in
tions to be cammed or squeezed inwardly toward
Figures 1 to 7, inclusive, includes a head member
the blade’s longitudinal axis.
A, a flexible wafer type blade B, a guard member
The lugs II are provided at each of the cor
C, and a shank or handle D. The blade-is adapt
- ners of the head A so that when the blade is
ed to be positioned between the head A and
moved endwise into position on the head the
guard B which may be drawn or held together
blade must pass over the lugs II at the end of
by cooperation of a threaded stud I on the head
the head from which the blade is being intro
A and an internally threaded bore 2 in the end
duced. The lugs >II extend upwardly above the
50
of the handle D.
shoulder 8 so that the blade B must be bowed
The blade B is formed with an open ended slot
longitudinally as Well as transversely while it is
3 which extends from the left hand end of the
passing over the lugs Il as shown in Figures 1
blade, as viewed in Figures 1, 3 and 5, toward the
and 3. After the blade has been moved to the
right, terminating in a single bridge piece 4
which joins the portions of the blade on opposite Ul CA, left as viewed in Figures 1 and 3 far enough for
the blade faces I5) at the left of the blade to en
sides of the slot 3. The blade may be formed
gage the head lugs II the blade faces iû at the
along both sides of the slot 3 with stress relief
right
of the blade will pass beyond the adjacent
openings or transverse grooves of any suitable
head lugs I I whereupon the blade will move down
size and configuration. The two opposed cutting
into the position shown in Figure 2 in which the
O
edges of the blade are indicated at 5.
blade
is bowed transversely but not longitudi
The head A is curved or bowed transversely,
and is formed on its concave face with a longi
tudinally extending rib part I5 which is adapted
to `be received by the blade slot 3 for guiding the
.blade B when it is moved endwise into coopera- .
tive position with respect to the head A. In
order that the blade B may be held releasably
and yieldingly in its cooperative position the head
is formed with a collar 1 surrounding the stud
nally.
As shown in Figure 6, the guard C is formed
with the usual longitudinal recess I2 adapted to
receive the head rib 6 and is further provided
C1.Ul with
a counterbore or circular recess I3 adapted
to receive the head collar 'I so as to enable the
guard to be brought up close to the blade and
head as shown in Figures 4 and 5.
In order to facilitate removal of the blade end
wise from the head, the blade may be provided
with a lug or tab I4 projecting out of the plane
passes when being moved endwise intoposition
of the blade from the bridge piece 4. Grasping
on the head.
of the tab I4 is facilitated by providing the head
In accordance with the invention, the shoulder
8 is so positionedwith respect to the longitudinal 75 A with end cut-outs or recesses I5 adapted to
I adjacent its junction with the rib 6, the collar
1 providing a shoulder 8 under which the blade
afii'a’sei
E:
U
.
accommodate the tab lil and render it easily
accessible.
_ The modiiied construction shown in Figures 8
to `11 is similarV to that described with reference
to 'Figures' 1 to 7 in that the blade is bowed both
transversely and longitudinally while being ap
plied endvvise to the head but differs 'from the
vpreviously described form in that the blade em
bodied in the modified form has a central >slot
top of that portion of the rib 23 extending from
the left hand end of the head to a point just be
yond the threaded stem I”. The bottom over
hanging faces of the ñange 2A provide shoulders
under which the blade B is moved endwise. Thus,
the flange 2d with its shoulders 2d performs in a
broad sense the same function as the round collar
‘l and shoulder 8 in the embodiment shown in
Figures 1 to 7, inclusive. The other parts of the
extending only partially throughout Vits length 10 head A” are similar to corresponding parts of
the head A and are designated by correspond-ing
and the »head is modified -in order 'to cooperate
but double primed reference numerals.
with ‘the shorter blade slot. The head A', shown
The blade B, shown in Figures 12 to 15, inclu
in Figures 8 to 11, inclusive, -i's similar to the head
sive, may be and is shown as being precisely the
A shown in Figures 1 to 7, inclusive, with the
same as the blade B illustrated in Figures 1 to '7,
e?rce’pt-ion that its longitudinal rib lâ extends
inclusive. However, the guard C” kdiiîers in that
'from the left hand end of the head only to the
it is formed with a longitudinally extending nar
threaded stem l', a separate projection or short
row recess 21 adapted to receive the head rib 23
rib l1 being provided at the right hand end of the
and with a longitudinally extending relatively
headvin longitudinally spaced relation to the rib
|`6. The projection Il is at least as high as the 20 wide recess 26 adapted to accommodate the ñ'ange
2‘4.
distance between the shoulder 8’ and the lon
It will be apparent that in each of the embodi
gitud'inal center of the head concave face. The
ments shown for the purposes of illustrating the
other parts of the head A’ Yare similar to corre
broad principles of the invention the head and
sponding parts in the previously described form
blade are so cooperatively constructed and ar
'and are designated by corresponding reference
ranged tliat, prior to the applicati-on of the guard,
‘characters which, however, are primed. For eX
the blade will be held yieldingly in a transversely
'a'm‘pla the head A’ shown in Figures 8 to 11, in
bowed condition c-n the head. The resiliency of
elusive, 'has a collar i’ and a shoulder e’ which
the blade resists accidental Vdisplacenflent of the
correspond to the collar 1 and shoulder 'S em
bodied in the head A shown in Figures 1 to 7, 30 blade from the head so that while the guard is
inclusive.
-
The blade B' embodied in the form shown in
Figures 8 to 11, inclusive, has a short slot i8 eX
eing applied to the assembled blade and head
there is no likelihood that the blade willjiggle
off. This eliminates a difdculty that heretofore
has caused considerable annoyance and breakage
tending from the left hand end of the 'blade
dulling of many razor blades.
slightly -beyond the center of the blade so 'as to
The constructions disclosed for `the purpose‘of
'terminate at an inner bridge piece le beyond
illustration embody the invention in the form-s
which is a blade opening 2e adapted to accom
now preferred but it will be apparent that ythe
Amodate the head projection il. Otherwise the
invention may be embodied in other forms with
parts of the blade B’ are similar to correspond
ing parts of theblade B and are designated by 40 out departing from the invention as defined in
the claims.
corresponding reference numerals which, how
I claim:
ever, are primed. Thus, the blade B’ has’a right
l. A clamping head for a safety razor ofthe
ìhand bridge piece 4’ and cutting edges 5’ corre
type including a guard; a head; and means for
sponding, respectively, to the bridge piece 4 and
- holding said headand guard together to clamp
cutting'edges 5 ofthe blade B.
therebetween a wafer type blade having a longi
`In order to position the blade B’ on the head
tudinal slot, said head having a part adapted to
A' the open end of the slot ’I8 is passed from
be received in the blade slot for guiding the blade
right to left over the head rib i6 and under the
endwise into cooperative position with respect t-o
shoulder 8’. During its movement to the leit
the vblade B’ will be bowed transversely and ’lon 50 said head, and shoulder means under which‘the
so positioned blade lies, said- shoulder means
gitudinally, as’previously explained, and when the
being disposed below a plane containing the lon
_left hand blade faces I6' engage 'the left hand
gítudinal edges oi said head whereby said shoul
head lugs il’ the blade opening 2i) will register
der means and said longitudinal edges will hold
with the head projection l1 and the right hand
the blade bowed longitudinally to resist acci
end oi the blade may be moved down into final
dental displacementl o1” the blade from the head.
position on the head with the blade bowed only
2. A clamping head for a safety razor 'of the
transversely, as shown in Figure 9.
type including a guard; a head; and means for
The guard C', shown in Figure 11, has a longi
holding said head and guard together to clamp
tudinal recess 2l adapted to receive the head rib
I6, a circular recess I3’ adapted to receive the GO therebetween a wafer type blade having a longi
tudinal slot, 'said head being curved transversely
collar 1', and a short longitudinal recess 22
and having a part on its concave face adapted
adapted to receive the head projection l1. No
to be received in the blade slot for guiding the
handle is shown in connection with the parts
blade endwise into cooperative position with re
illustrated in Figures 8 to 11, inclusive, but it will
spect to said head, and shoulder means under
be apparent that a handle the same as the han
which the so positioned blade lies, said shoulder
dle D previously referred to may be used.
means being disposed between a plane contain
The further modiñcation shown in Figures 12
ing the head’s longitudinal edges and the longi
to 15, inclusive, also is generally -similar to the
tudinal center of the head’s concave
weitere
form illustrated in Figures 1 to '7, inclusive, vin
lthat the blade is bowed both transversely and 70 by said shoulder means and said longitudinal
edges will hold the blade bowed transversely to
longitudinally -while being moved into position
resist accidental displacement of the blade from
ón the‘head and is bowed only transversely when
the head.
'in its iinal cooperative position. The head A"
E. A clamping head for a safety razor of the
shown in Figures 12 to 14 is formed with a longi
ltudinally ëxtehding'rib 2'3 andailange 24 at‘the „75. type including a guard; a head; and means for
2,413,864
7
holding said head and guard together to clamp
8
center and being vadapted to be received in the
blade slo't for guiding the blade endwise into co
operative position with respect to the head, a
projection on the head’s concave face spaced
on its concave face, a part adapted to be received 5 longitudinally from said rib and being adapted
to be received by said blade opening, and shoulder
in the blade slot for guiding the blade endwise
means under which a cooperatively positioned
into cooperative position with respect to Said
therebetween a wafer type blade having a lon
gitudinal slot, said head being curved transversely
and having blade centering lugs at its corners
head, and shoulder means under which the blade
blade lies, said projection being at least as high
moves endwise into said position, said shoulder
as the distance between said shoulder means and
means being disposed between the longitudinal
containing the head’s longitudinal edges whereby
said head’sconcave face whereby when the blade
is being moved endwise into said cooperative posi
tion the blade must be bowed longitudinally to
the blade will have to be bowed both transversely
and longitudinally when being moved endwise
into position and the shoulder means and head
enable said inner bridge piece to pass over said
projection so that the projection may then enter
said blade opening for maintaining the blade
longitudinal edges will hold the positioned blade
bowed transversely to yieldingly resist accidental
displacement of the blade from the head.
against accidental displacement from said head.
edges, whereby a cooperatively positioned blade
will be held bowed transversely and displacement
adapted to be received by said blade opening,
of the blade from the head will be yieldingly re
positioned blade lies, said projection being at
sisted.
least as high as the distance between said shoul
der means and said head’s concave face where
center of the head’s concave face and a plane
7. A clamping head for a safety razor of the
type including a guard; a head; and means for
holding said head and guard together to clamp
4. A clamping head for a safety razor ofthe
type including a guard; a head; and means for 20 therebetween a wafer type blade having a longi
tudinal slot extending from one end of the blade
holding said head and guard together to clamp
only part way to the other end thereof and ter
therebetween a wafer type blade having a lon
minating at an inner bridge piece beyond which
gitudinal slot, said head being curved transversely
there is an opening in the blade and, beyond
and having a longitudinally extending rib on its
concave face adapted to be received in the blade 25 said opening, an outer bridge piece, said head
being curved transversely and having a rib on
slot for guiding the blade endwise into coopera
its concave face extending longitudinally from
tive positio-n with respect to said head, and a
one end of the head and terminating adjacent
collar on said rib providing a shoulder spaced
the head center and being adapted to be re
from and facing said head' and being adapted to
overlie a blade cooperatively positioned on said 30 ceived in the blade slot for guiding the blade
endwise into cooperative position with respect to
head, said shoulder means being disposed between
the longitudinal center of the head’s concave face
the head, a projection on the head concave face
and a plane containing the head’s longitudinal
spaced longitudinally from said rib and being
5. A clamping head for a safety razor of the
type including a guard; a head; and means for
and shoulder means under which a cooperatively
by when the blade is being moved endwise into
holding said head and guard together to clamp 40 said cooperative position the blade must be bowed
therebetween a wafer type blade having a lon
longitudinally to enable said inner bridge piece
gitudinal slot extending from o-ne end of the
to pass over said projection so that the projec
bladeonly part way to the other end thereof
tion may then enter said blade opening for main
and terminating at an inner bridge piece beyond
taining the blade against accidental displacement
which there is an opening in the blade and, be ep. Calf from said head, said shoulder means being dis
yond said opening, an outer bridge piece, said
posed between the longitudinal center of the
head being curved transversely and having a rib
head’s concave face and a plane containing the
on its concave face extending longitudinally from
head’s longitudinal edges whereby a cooperatively
one end of the head and terminating adjacent
positioned blade will be held bowed transversely
the head center and being adapted to be received 50 by its engagement with the head’s longitudinal
in the blade slot for guiding the blade endwise
side edges and said shoulder means.
into cooperative position with respect to the head,
8. A clamping head for a safety razor of the
a projection on the head’s concave face spaced
type including a guard; a head; and means for
longitudinally from said rib and being adapted to
holding said head and guard together to clamp
be received by said blade opening, and shoulder 55 therebetween a wafer type blade having a longi~
means under which a cooperatively positioned
tudinal slot, said head being curved transversely
blade lies, said shoulder means being disposed
and having a longitudinally extending rib on its
between the longitudinal center of the head’s
concave face adapted to be received in the` blade
concave face and a plane containing the head’s
slot for guiding the blade endwise into cooperative
longitudinal edges whereby a cooperatively posi 60 position with respect to said head, and a flange
tioned blade will be held bowed transversely and
on said rib extending from one end of the head
displacement of the blade from the head will be
only partially to the other end thereof and pro
yieldingly resisted.
viding shoulder means spaced from and facing
6. A clamping head for a safety razor of the
said head and being adapted to overlie a blade
type including a guard; a head; and means for 65 cooperatively positioned on said head, said shoul
holding said head and guard together to clamp
der means being disposed between the longitudi
therebetween a wafer type blade having a longi
tudinal slot extending from one end of the blade
only part way to the other end thereof and ter
nal center of the head’s concave face and a plane
containing the head longitudinal edges, where
by a cooperatively positioned blade will be held
minating at an inner bridge piece beyond which 70 bowed transversely and displacement of the blade
there is an opening in the blade and, beyond said
from the head will be yieldingly resisted.
opening, an outer bridge piece, said head being
9. A clamping head for a safety razor of the
curved transversely and having a rib on its con
type including a guard; a head; and means for
cave face extending longitudinally from one end
holding said head and guard together to clamp
of the head and terminating adjacent the head 75 therebetween a wafer type blade having a longi
2,413,864
10
tudinal slot, said head being curved transversely
and having a longitudinally extending rib on its
concave face adapted to be received in the blade’s
slot for guiding the blade endwise into cooperative
position with respect to said head, and a flange
on said rib providing shoulder means spaced from
and facing said head and being adapted to over
therebetween, said head having a part adapted to
be received in the blade slot for guiding the
blade endwise into cooperative position with re
spect to said head, and shoulder means on said
head under which the blade moves endwise into
said position, said shoulder means being disposed
between the longitudinal center of the head’s con
cave face and a plane containing the head’s lon
lie a blade cooperatively positioned on said head,
gitudinal side edges, whereby the positioned blade
said shoulder means being disposed between the
longitudinal center of the head’s concave face 10 will be bowed transversely by its engagement with
said shoulder means and said head’s longitudinal
and a plane containing the head’s longitudinal
edges, whereby a cooperatively positioned blade
will be held bowed transversely and displacement
of the blade from the head will be yieldingly
resisted.
side edges.
13. A razor including a head member, a guard
member, and a blade as set forth in claim 11
in which onev of said members has a recess at
one end and said blade has a tab accommodated
10. A clamping head for a safety razor of the
in said recess so as to be easily grasped.
type including a guard; a head; and means for
14. A razor as set forth in claim 12 in which
holding said guard and head together to clamp
the head member has a recess at one end and
therebetween a resilient wafer type blade, said
head having means to engage one face of the 20 said blade has a tab accommodated in said recess
so as to be easily grasped.
blade adjacent its longitudinal edges and other
15. The combination of a razor clamping head
means to engage the other face of the blade in
and blade as set forth in claim 1 in which the
termediate its longitudinal edges, said two means
head has a recess at one end and said blade has
being so relatively positioned as to hold the blade
bowed transversely whereby displacement of the 25 a tab accommodated in said recess so as to be
easily grasped.
blade from the head is yieldingly resisted.
16. In combination, a safety razor clamping
11. In a safety razor, a clamping head; a guard;
head; and a blade having anopen ended slot,
a wafer type blade having an open ended longi
said head having a part adapted to be received
tudinal slot; and means for holding said head
and guard together to clamp the blade therebe 30 in the blade slot for guiding the blade into co
operative position with respect to said head, and
tween, said head having a part adapted to be
a recess at one end of said head, said blade hav
received in the blade slot for guiding the blade
endwise into cooperative position with respect to
said head, and shoulder means under which the
so positioned blade lies, said shoulder means be
ing an end tab accommodated in said recess so
as to be easily grasped for removal of the blade
35 from the head.
17. In combination, a safety razor clamping
ing disposed below a plane containing the longi
head; and a blade having an open ended slot,
tudinal edges of said head whereby said shoulder
said head having a part adapted to be received
means and said longitudinal edges will hold the
in the blade slot for guiding the blade into co
blade bowed transversely to resist accidental dis
placement of the blade from the head while the 40 operative position with respect to said head, and
a recess at one end of said head, said blade hav
razor is being assembled and prior to placement
ing an end tab turned out of the plane of the
of the guard in assembled relation with respect to
blade and being accommodated in said recess so
the head and blade.
as to be easily grasped for removal of the blade
12, In a safety razor, a transversely curved
clamping head; a guard; a wafer type blade hav 45 from the head.
JAMES E. CONNO'LLY.
ing a longitudinal slot; and means for holding
said head and guard together to clamp the blade
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