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Патент USA US2047439

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July 14, 1936.
2,047,439
H. M. sKEvlNG-roN
scIs'soRs SHARPENER
Filed Sept. 9, 1955
E.F
INVENTOR
E'
WITNESS
ATTORN EY
Patented July 14, 1936
2,047,439
UNITED STATES PATENT OFFICE
2,047,439
SCISSORS SHARPENER
Harry M. Skevington, Onawa, Iowa
Application September 9, 1935, Serial No. 39,838v
4 Claims. (Cl. 76-88)
This inventionl relates to scissors sharpen'er's` of
the type in which a file is arranged at` about a
45° angle to the guide to give the proper bevel
to the cutting edge.
5
An object of the present invention is to pro
vode a scissors Sharpener of this character in
which a pair of files are mounted on an inverted
V-shaped bridge forming a part> of the support,
the legs of the bridge disposing the files' tó- ex
tend' at about a 45° anglel to“ the rims of the
sides of the support which latter form guides,
the files being detachably secured to the bridge
by a single clip which permits the files being
interchanged or renewed when worn without
tools or the services of an expert.
A further object is to provide a device of this
character in which one file may be used for
forming a bevel on one of the blades of the
scissors and the other ñle may be used for form
ing a bevel on the other blade of the scissors, this
being of advantage in that both files are ar
ranged so that the teeth of one slope in one direc
tion and the teeth of the other in the opposite
direction, whereby accurate bevels may be cut
in minimum time on the blades of the scissors.
A further object is to provide a device of this
character which will be light, strong and du
rable, which will be compact in form, which will
be easy to manufacture, and which will not easily
30 get out of order.
With the above and other objects in view the
invention consists of certain novel details of
construction and combinations of parts herein
after fully described and claimed, it being un
35 derstood that various modifications may be re
sorted to within the scope of the appended
claims without departing from the spirit or
sacriñcing any of the advantages of the inven
tion.
40
In the accompanying drawing forming part of
this specification,
Figure 1 is a perspective view of a scissors
Sharpener constructed in accordance with the
invention and showing successive steps in filing
45 the blades of scissors.
Figure 2 is a cross sectional view taken on the
line 2_2 of Figure 1 showing the bridge and
the clip for fastening the files to the bridge.
Figure 3 is a longitudinal sectional view taken
50 on the line 3--~3 of Figure 1.
Referring now to the drawing in which like
characters of reference designate similar parts
in the various views, I0 designates a support or
casing having parallel side and end walls II and
55 I2, each flanged at the bottom, and I3 designates
the bottom of the casing, the edges of which
are crimped over the bottom flanges of the side
andl end walls as` shown at I4. The casing is»
preferably formed of sheet metal.
The end
walls I2 are double as shown at I5 in Figure 3 to
5
reinforce> them to resist strains.
As shown in Figure 1, the upper ends of the
side walls IïI are bent back as shownv at I6 in
Figure 2 to» forma- double thickness of metal or
rim which also constitutes a- strong rigid guide' 10
for the scissors blade as will presently be de
scribed. The end walls I2 moreover are slotted
as shown at Il to permit the scissors blades being
reciprocated longitudinally of the guides I6.
An inverted V-shaped bridge I8 formed of 15
sheet metal, is disposed within the casing, the
ends of the bridge being bent downwardly as
shown at I9 and rigidly secured in any preferred
manner to the inner surfaces of the casing side
walls II. The inclined legs of the bridge extend 20
at substantially a 45° angle to the guides I6. A
pair of files 20 are disposed on the legs of the
bridge and the longitudinal edges of the files
abut the guides I6 as best shown in Figure 2. A
clip 2l is disposed to straddle the ridge of the 25
bridge I8 and the ends 22 of the clip are bent
downwardly to overlie and snugly engage the
upper longitudinal edges of the files 20. A screw
23 is threaded through the clip and through the
ridge of the bridge I8 and a nut 24 is secured 30
in any preferred manner to the underneath sur
face of the ridge to receive the screw. The screw
may be removed to interchange the files in order
to bring a new surface in juxtaposition with re
spect to the guides when the files have become 35
worn or to permit replacement of a worn file
with a new ñle.
The files 20 are so disposed that the teeth of
one file will slope in opposite direction with re
spect to the teeth of the other ñle. The purpose 40
of this is to permit one blade of the scissors to
be pressed against one of the files and move
longitudinally along the associated guide in a
direction opposite to the slope of the teeth of the
file to quickly cut the proper bevel on the edge 45
of the blade. The other blade of the scissors
may now be thrust into the slotted holder from
the opposite end thereof, as shown best in Figure
1, so that when this blade is pressed and moved
longitudinally of the associated guide the teeth of 50
the file will slope in a direction counter to the
movement of the blade so that again the proper
bevel will be quickly cut on the blade.
In operation one blade of the scissors to be
sharpened may be thrust through the slots I1 in 55
2
2,047,439
the end walls of the casing and placed against
the guide I6 and associated iile 20 as illustrated
at the left of Figure l, it being assumed then
that the teeth of the file point toward the scis
sors. It will be evident that a forward thrust
of the iile with light pressure against the file teeth
Will be sufficient to quickly cut the proper bevel
on the edge of the blade. To sharpen the mating
blade of the scissors, the scissors are reversed as
10 shown at the right of Figure 1 and the mating
2. A scissors sharpener comprising a support,
guides on the longitudinal edges of the support,
an inverted V-shaped bridge forming a ñle holder
on the support between the guides, the legs of
the bridge extending at an angle of approximately
45° with respect to the guides, a pair of iiles on
the ñle holder, and means for removably secur
ing the ñles to the ñle holder.
3. A scissors Sharpener including a casing hav
ing reinforced side and end walls, an inverted
blade is pressed against the ñle and moved in a
direction counter to the slope of the teeth of the
file, and in this instance the ñle teeth must be
V-shaped bridge connecting the side Walls and
the end walls, and having the longitudinal edges
of its legs disposed below the rims of the side
assumed to slope toward the scissors or in a
walls, there being slots in the end Walls con
tiguous to said rims to permit a scissors blade
15 direction opposite to the direction of the teeth
of the ñrst used ñle.
From the above description it is thought that
the construction and operation of the invention
Will be' fully understood without further ex
planation.
What is claimed is:
1. A scissors Sharpener comprising a casing, an
inverted V-shaped bridge secured to the Walls of
the casing, the side Walls of the casing projecting
above the bridge and forming guides, the legs of
the bridge extending at an angle of approximately
45° to the associated guide, and a pair of files sup
being disposed against the guides and recipro
cated therealong, and ñles on the legs of the
support disposed at substantially a 45° angle to
the guides.
4. A scissors Sharpener including a casing, an
inverted V-shaped ñle holder closing the top of
the casing, a pair of iiles on the legs of the holder,
the sides of the casing rising above the files and
forming guides along which the scissors blade
may be moved while in engagement; with the
associated ñle, a clip on the apex of the ñle
ported by the bridge and the guides, the slope of
holder having the ends overhanging both ñles,
and means for removably securing the clip to the
the teeth of one of the ñles being opposite to the
ñle holder.
30 teeth of the other file.
HARRY M. SKEVINGTON.
30
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