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Патент USA US3062540

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Nov'. 6,1962
C. D. SHOULDERS
ENGINE SUPPORTING JIG
Filed Sept. 17, 1959
3,062,530
Nav.w 6', 1962
c. D. sHoULDERs
32062530
ENGINE SUPPORTING JIG
Filed Sept. 17, 1959
2 Sheets-Sheet 2
W
‘_Plî. s
55
INVENTOR.
¿7i/vn £5 D. 5am/L ams.
- ¿MLM/MM
United States Patent O1 rice
3,062,530
Patented Nov. 6, 1952
2
1
which the bar 22 is supported by the plate 1l). Alter
3,062,530
ENGINE SUPPORTING JIG
Charles D. Shoulders, R.R. 3, Box 406, Elwood, Ind.
Filed sept. 17, 1959, ser. No. 840,684
5 Claims. (Cl. 269-71)
natively, the bar 22 may be supported in such a horizon
tal position by engagement with the lower surface 24 of
the web 1S. The apertures 20 and the aperture 25 in the
bar 22, within which apertures the pin 21 is received,
are so located that when the bar 22 is in a horizontal
position the surface 26 is in contact with the plate 10, and
the pivotally mounted end of the bar projects into the
which ñnds its primary utility in supporting small engines.
aperture 16.
It is an object of the present invention to provide an
10
The legs I2 are provided with apertures 27-27, and
improved jig or workholder.
the bar 22 is provided with an aperture 30. When the
Small gasoline engines such as those used to power lawn
bar 22 is in a vertical position the apertures 2'7 and 30
mowers and the like, frequently require maintenance and
are aligned for reception of pin 31 for locking the bar
replacement of parts often involving removal of the engine
22 in such a vertical position. A rectangular plate 32
from the lawn mower or other device. Such engines
may be ñxed to the bar 22 as illustrated in FIGS. 1 and 2
are relatively heavy and unwieldy and have irregular
by means of a screw 33 which passes through a bore 35
outer surfaces, thus making diftìcult the holding of the
in the distal end of the bar 22 and is threaded within a
engine while performing such operations as draining the
threaded bore 36 in the plate 32. The plate 32 is pro
oil, taking olf the shroud, gas tank, muffler, carburetor
vided with three bores 37-37--37 any one of which may
and other accessories, grinding the valves, removing valve
springs, etc. yIn performing such operations it is neces 20 be used with a pin 40 passing through a bore 41 in the
bar 22, to locate and iiX the plate 32 in any one of a plu
sary to position the engine in different attitudes and
rality of attitudes with respect to the bar 22.
angles with various sides of the engine facing the rne
The plate 32 is provided with a plurality of bores 42-42
chanic. It is desirable that means be provided for firmly
which are so arranged as to make possible the mounting of
holding such engines in such angles and attitudes, said
means being operable to quickly change the position angle 25 various sized, small gasoline engines on the plate 32. A
The present invention relates to a jig or workholder
spacer 43 is received upon the screw 33 and between the
or attitude of the engine held thereby.
It is, therefore, a further object of the present invention
to provide a jig or workholder for use in supporting small
engines in any of a plurality of various positions and atti
tudes, said jig being operable to quickly change the
position or attitude of the engine.
Still further objects will appear as the description pro
ceeds.
The full nature of the invention will be understood
bar 22 and the plate 32 to facilitate the mounting of such
engines upon the plate 32. Referring to FIG. 5, it can be
seen that screws such as the sere-ws 45 may be passed
30 through one or more of the bores 42 and threaded into the
cylinder head block of the engine to secure the engine to
the plate 32.
As illustrated in FIG. 5, the engine is in a proper posi- -
tion for grinding the valves 46-46 of the engine. The
from the accompanying drawings and the following de 35 bar may be pivoted to a vertical position and the pin 31
inserted in the apertures 27 and 30 to lock the engine in a
suitable position for crank case housing work. Assuming
FIG. 1 is a side elevation of a jig embodying the present
that the device is in the position illustrated in FIGS. l and
invention.
2, the pin 40 may be removed from the aperture 41 and
FIG. 2 is a front elevation of the jig of FIG. l.
40 the particular aperture 37 in which it is received, the plate
FIG. 3 is a side view of an alternative work support j
32 may be rotated 180 degrees about the screw 33 and the
which may be used as a part of the jig of FIG. 1.
pin 40 reinserted in the aperture 37 with which the aper
FIG. 4 is a top View of the work support of FIG. 3.
ture 41 is now aligned to lock the engine in a position for
FIG. 5 is a perspective view of the jig of FIG. 1 show
magneto inspection and work on the other side of the
ing a small gasoline engine being supported by the jig.
engine.
FIG. 6 is a perspective view of the jig of FIG. 1
Thus it can be seen that an engine mounted upon the
having the work support of FIGS. 3 and 4 assembled there
plate 32 may be iiXed in any of a plurality of positions for
with and showing a gasoline engine supported by the jig.
Work thereon by use of the plate 10 to supportthe bar 22
Referring now to the drawings, and more speciñcally
to FIGS. 1 and 2, my invention comprises a horizontal 50 in a horizontal position, by use of the pin 31 to lock the
bar 22 in a vertical position and by use of the pin 40 in
rectangular plate lll having fixed thereto, so as to extend
conjunction with the various apertures 37 to lock the
upwardly therefrom, a generally channel-shaped structure,
plate 32 in various positions with respect to the bar 22.
indicated generally by the numeral 11. The channel 11
If desired, the plate 32 may also be ñxed, by means of the
is made up of a pair of legs 12a-12 and a web 15 ñxed
between the legs and so proportioned that a small aper 55 screw 33 and the pin 40, in such a position that the plate
is above the bar 22 when the bar is in a horizontal posi
ture 16 is formed by the legs, the web and the plate 10.
Another rectangular plate 17 is iiXed by one edge to
tion which makes possible even further positions of the
the plate It) and is fixed by an adjacent edge to one of
engine for work thereon.
the legs 12 of the channel 11 and provides support for
Referring now to FIGS. 3 and 4, it will be seen that an
the channel 11. The plate 17 has a bore 18 in one of 60 alternative workholder for use with the device of FIGS.
its corners which may be used to attach objects to the
1 and 2 is illustrated. The bar 22 has fixed to its distal
plate 17 if desired. The plate 17 and the legs 12 of the
end an arcuate bar 52 which has the form of a partial
channel 11 are so fixed to the plate 10 that one surface
ring. When the bar 22 is pivoted into a horizontal posi
of the plate 17 and one edge of each leg 12 is flush with
tion so as to be supported by the plate 10, the upwardly
one edge of the plate 10.
65 facing surface 53 of the bar 52 is held in a horizontal posi
The legs 12 are provided with bores 20-20 which are
tion for support of the engine in the manner illustrated in
mutually aligned and which, along with a pin 21, pro
FIG. 6. When the motor is so supported, the oil may be
vide a pivotal mounting for an elongated bar 22 which
drained therefrom, the motor shaft may be removed, the
scription and claims.
has a generally square cross section.
The bar 22 has a
gasoline drained and the muiiier and other accessories may
rounded oil portion 23 at its pivotally mounted end so as 70
be removed and repaired. It will be understood from an
to allow the bar to be pivotal between the vertical position
examination of FIG. 6 that the motor may be easily ro
illustrated in FIGS. 1 and 2 to a horizontal position in
3,062,530
3
tated upon the partial ring support 52 to any position
desired for such work.
The invention claimed is:
1. A jig comprising a horizontal plate, a channel fixed
to said plate in such a manner that its legs project ver
tically therefrom, an elongated bar having an aperture
one end thereof, the legs of said channel each having an
aperture which is aligned with the aperture of said bar,
a pin received within said apertures providing a pivotal
mounting for said bar whereby said bar may be pivoted
between a vertical and a horizontal position, said aper
tures being so located that, when said bar is in a hori
near one end thereof, the legs of said channel each hav
zontal position, said bar is supported by said plate, said
ing an aperture which is aligned with the aperture of said
bar and said legs having further apertures which are
4aligned when said bar is in its vertical position, a second
bar, a pin received within said apertures providing a piv
otal mounting for said bar whereby said bar may be piv 10 pin for reception in said further apertures to lock said bar
in its vertical position, a second rectangular plate having
apertures being so located that, when said bar is in a hori
a plurality of apertures therethrough for mounting of
zontal position, said bar is supported by said plate, said
different objects on said plate, and having a threaded bore,
oted between a Vertical and a horizontal position, said
bar and -said legs having further- apertures which are
aligned when said bar is in its vertical position, a second
pin for reception in said further apertures to lock said bar
in its Vertical position, and means ñxed to said bar for
supporting an object in such a manner that the object is
adjustable to a plurality of positions relative to the bar.
2. A jig comprising a horizontal rectangular plate, a
a screw received in said threaded bore and securing said
second plate to said bar, and a spacer received on said
screw and between said bar and second plate to space said
bar and second plate apart.
5. A jig comprising a horizontal rectangular plate, a
channel fixed to said plate in such a manner that its web
and legs are arranged vertically and its legs are ñush with
one edge of said rectangular plate, a second rectangular
plate fixed by one edge to the one edge of said horizontal
one edge of said rectangular plate, a second rectangular
plate so as to project vertically upwardly, said second
plate fixed by one edge to the one edge of said horizontal
rectangular plate having a second edge which is adjacent to
plate so as to project vertically upwardly, sa-id second 25 its first edge and fixed to one leg of said channel, said
rectangular plate having a second edge which is adjacent
second rectangular plate having a bore therethrough,- an
to its first edge and is ñxed to one leg of said channel, said
elongated bar having a square cross section and a bore
second rectangular plate having a bore therethrough, an
near one end thereof, the legs of said channel each having
elongated bar having a square cross section and a bore
a bore which is aligned with the bores of said bar, a pin
near one end thereof, the legs of said channel each hav 30 received within said bores of said legs and bar providing a
ing a bore which is aligned with the bore of said bar, a
pivotal mounting for said bar whereby said bar may be
pin received within said bores of said bar and legs and
pivoted between a vertical and a horizontal position, said
providing a pivotal mounting for said bar whereby said
bar having its one end rounded to allow such pivoting,
bar may be pivoted between a vertical position and a hori
said bores being so located that, when said bar is in a
zontal position, said bar having its one end rounded to 35 horizontal position, said bar is supported by said horizon
allow such pivoting, said bores of said bar and legs being
tal plate, said bar and said legs having further bores which
so located that, when said bar is in a horizontal position,
are aligned when `said bar is in its vertical position, a
said bar is supported by said horizontal plate, said bar
second pin for reception in said further bores to lock
and said legs having further bores which are aligned when
said bar in its vertical position, a third rectangular plate
said bar is in its vertical position, a second pin for recep 40 having a plurality of -apertures therethrough and having
tion in said further bores to lock said bar in its vertical
a threaded bore, a screw received in said threaded bore
position, a further plate having a plurality of apertures
and securing said third plate to said bar, a spacer received
therethrough some of which are for mounting different
on said screw and between said bar and third plate to
objects on said plate, an arcuate bar having the form of
a partial ring, means for selectively attaching said further 45 space `said bar and third plate apart, and a pin passing
through said bar and into a selected one of the apertures
plate and said arcuate bar to said first mentioned bar,
in said third rectangular plate for maintaining the attitude
said first mentioned bar having a further bore, a further
of said third plate with respect to said bar.
pin receivable in said further bore and in a selected one
of the remaining apertures of said plurality of apertures
References Cited in the file of this patent
in said further plate for fixing said further plate in one of 50
UNITED STATES PATENTS
a plurality of positions relative to said first mentioned
bar.
1,208,522
Duncan ______________ __ Dec. l2, 1916
3. The jig of claim 1 in which said means for support
2,390,022
Wood ______________ __ Nov. 27, 1945
channel ñxed to said plate in such a manner that its web
and legs are arranged vertically and its legs are liush with
ing an object is an arcuate bar having the form of a
partial ring and having a supporting surface parallel to 55
the length of said bar.
4. A jig comprising a horizontal plate, a channel fixed
to said plate in such a manner that its legs project verti
cally therefrom, an elongated bar having an aperture near
2,497,943
2,734,574
Ingwer ______________ _„ Feb. 21, 1950
Reid ________________ __ Feb. 14, 1956
2,803,208
Bernard et al. ________ __ Aug. 20, 1957
2,890,043
2,973,198
Bruns ________________ __ lune 9, 1959
Marks ______________ __ Feb. 28, l1961
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