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Патент USA US3074295

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Jan. 22, 1963
w. HAUSMANN
3,074,285
POWER TAKEOFF FOR AUTOMOTIVE VEHICLES
Filed Feb. 17, 1960
3 Sheets-Sheet 1
Werner Hausmonn
INVENTOR.
BY
M �m
AGENT
Jan. 22, 1963
w. HAUSMANN
3,074,235
POWER TAKEOFF? FOR AUTOMOTIVE VEHICLES
Filed Feb. 17, 1960
?
3 Sheets-Sheet 2
MM
Werner Hausmonn
INVENTOR.
BY M??
\
AGENT
Jan. 22, 1963
w. HAUSMANN
POWER TAKEOF?F FOR AUTOMOTIVE VEHICLES
3,074,285
Filed Feb. 17, 1960v
3 Sheets-Sheet 3
Werner Huusmonn
INVENTOR.
BY
AGENT.
United States Patent Office
3&74385
Patented Jan. 22, �3
1
2
3,074,285
POWER TAKEOFF FQR AUTQMOTIVE VEKHQLES
mesh with similar gears carried by the output shafts, an
extremity of this shaft projecting from the housing and
forming thereby a further output shaft. The projecting
erner Hausmann, Uthleben, near Nordhausen, Ger
many, assignor to VEB Schlepperwerh Nordhausen,
Nordhansen,
Harz, Germany, a corporation of Ger
many
extremity serves as an axial extension of the power-take
o??
shaft.
Filed Feb. 17, 1960, Ser. No. 9,231
The above and
other
features,
objects and advantages
'
'
?
of my present
Claims. (Cl. 74?l5.2)
My present invention relates to power-takeoff assem
blies for automotive vehicles (e.g.
'
10
?and other engine?driven equipment.
Utility motor
made to the accompanying drawing in which:
FIG. 1 is a
to the invention;
including,
PEG. 2 is a front-elevational view of the assembly, par
tially
broken away,
agricultural tractor; mounted as a front attachment on an
tofore with one or more power-takeoff shafts operatively
PEG. 3 is a side-elevational view of
the assembly with
parts broken away;
PEG. 4 is a bottom plan view of the device with the
connectable to the driving engine directly or through a
suitable gear-changing transmission. Among such vehi
cles, agricultural tractors have generally been provided
bottom plate thereof removed; and
with a rear power-takeoff assembly adapted to drive post
FIG. 5 is a partial bottom view of a
modi?ed assem
hole diggers, seeders and the like, side assemblies adapted 20 bly according to the invention.
to be connected to generators, silage blowers and milling
In PEG. 1 I show a multiple-power-takeotf assembly It),
comprising a housing
'
'
'
tion which serves as
and is provided with
windows 12 in several of its faces. A drive shaft 13 is
power-takeoff assemblies comprise a shaft projecting from 25 journaled in bearings 14 of the front and rear walls of
housing
it
the body of the vehicle toward either the front, the side
drive gear 15 is adapted to
or the rear of the vehicle. Frequently it is found desir
able to utilize a laterally extending power shaft in place
of or in addition to the front power-takeoff shaft (eg
for cutter bars) or an upwardly or downwardly extending
shaft at the rear of the vehicle (eg for post-hole diggers).
The alteration of the equipment along these lines has been
found to be inordinately complex and expensive.
to the conventional power-takeoff
of alteration or design change.
A more speci?c object of the invention resides in the
provision of means for adjustably securing such multiple
power-takeoif attachment to a motor-vehicle chassis so
as to accommodate various types of implements to be
besides the one shown, at the unoccupied win~
is fastened to each unoccupied
window 12 to prevent foreign matter from entering the
driven thereby.
According to a feature of my invention, I mount on
e underside of the chassis or engine enclosure of an
agricultural tractor or similar
'
'
pair of mounting plates 24
the
implements driven by shafts 17 to the bottom of hous
50 ing 11.
comrnodate the journals of one
which can be selectively attached to
In FIGS. 2-4 I show the device It? secured to the front
end of a tractor 3i} beneath the engine 31 thereof. The
underside of the tractor is provided with a pair of rails
55
shaft and enclosed within the housing.
According to another feature of the invention, I slid
'
character described on rails
provided on the vehicle chassis, a telescope coupling, such
as a splined sleeve secured to the power-takeoff shaft of 60
Shaft 35
its splined extremity remote from sleeve
34 with a gear 35 axially displaceable thereon, via a
tive axial displacement. The housing is maintained in
shifting arm 37, be ween a ?rst position in mesh with
its operative position relative to the chassis by suitable
a
locking means.
?
65 gear 33 connected to the gear-changing transmission 42
the vehicle, serving to interconnect ?adjacent extremities
of the latter and of the drive shaft with freedom of rela
of the tractor and a second position in mesh with a gear
39 driven, for example, from the wheel will of the tractor
via axle 41. In the ?rst position each output shaft 17
and the projecting extremity 13? of drive shaft 13 will
the output shafts is operatively connected.
be driven at a rate dependent upon ?the engine speed or
According to a more speci?c feature of the invention 70 upon the position of the transmission gears, While in the
the drive shaft is provided with a bevel gear adapted to
second position the rate will depend only upon the rota
'
wheels and will hence be pro
amazes
portional to the velocity of the tractor. Two laterally pro
a second wall perpendicular to
versely to said shaft and
said ?rst wall, said drive shaft having a free end project
jecting output shafts 17a, 17b, with driven gears 16a,
ing beyond said ?rst
16b and trunnions 18a, 181;, are shown mounted on
housing 11 in FIG-2, va downwardly extending shaft 170
being illustrated in dot-dash lines in FIG. 3; to accom
housing, said second wall ?being provided
3
wall for use as a power takeoff, a
drive bevel gear carried by said drive shaft within said
modate the bearing plate 19c of? shaft 17c, the bottom
with an aper
ture, a cover plate for said aperture removably secured to
and at
said housing, bearing means on said cover plate,
least one outwardly projecting auxiliary shaft journaled
cover 22 shown in FIG. 2 is ?rst removed as illustrated
and provided with a driven bevel
in said bearing means
inFlG.
4.
The attachment
10 may be locked in position along 10 gear adapted to pass through said aperture and detach
rails 33 by conventional fastening means such as, for
ably meshing with said drive gear, said auxiliary shaft
extending at right angles to said free end.
?example, one or more pins 44 adapted to traverse
to claim 3 wherein said
alignable bores 23? and 33' provided in rails 23 and 33
respectively.
FIG. 5 illustrates
a modi?ed attachment 110 for the
selectivecoupling of one or more auxiliary power-take 15
4. The combination according
housing is provided with mounting means enabling ad
position in axial direction of said drive
justment of its shaft being aligned with said power
shaft, said drive
being provided with a
shaft, one of said aligned shafts
oif shaftsll7a, 111712 on the vehicle in a direction par
pro?led sleeve slidably engaging a complementarily pro
allel to drive shaft 13. The shafts 117a, 11% can be de
?led extremity of the other of said aligned shafts.
tachably secured, by their trunnions 118a, 1181), to a
5. In an automotive vehicle having a ground-engaging
housing 111 within which a spur gear 115 is keyed to 20
wheel and an engine, in combination, a chassis, a power
drive shaft .13. Gear 115 is adapted to mesh with a simi
prismatic hous
shaft below said chassis, walls forming a drive shaft cou
lar spur gear 116a, 116b, of like or different diameter,
ing on the underside of said chassis, a
secured to a respective output shaft 117a, .11'7b. Cover
pled to said power shaft and passing through said hous
plates, not shown, can be attached to housing 111 to
span the windows left vacant upon the removal of the 25 ing, said walls including a ?rst wall extending transversely
to said shaft and a second wall perpendicular to said ?rst
bearing plates 119a and/ or 11%.
end projecting beyond
wall said drive shaft ?having a free takeoff, .a drive bevel
It will ?be apparent that an attachment 10 or 110 may
power
also be coupled to power shaft 35 at the rear of the
said ?rst wall for use as a
gear carried by said drive shaft within said housing, at
vehicle,_rather than at the front ?as shown.
least one of said walls being provided with an aperture,
The above and other modi?cations and variations, read
a cover plate for said aperture removably secured to said
ily apparent to persons skilled in the art, are intended
housing, bearing means in said cover plate at least one
to be included within the spirit and scope of the present
invention, except as further limited by the appended
outwardly projecting auxiliary shaft iournaled in said
claims.
bearing means and
provided with a driven bevel gear
adapted to pass through said aperture and detachably
I-claim:
35
1. In an automotive vehicle, in combination, a chassis,
meshing with said drive gear, and transmission means on
said power shaft for selectively coupling the latter with
a power shaft on said chassis, walls forming a prismatic
said wheel and with said engine.
housing slidably mounted on said chassis in line with
said power shaft, a drive shaft coupled to said power
References Cited in the file of this patent
shaft with relative axial mobility and extending into said 40
housing, said walls including a ?rst wall extending trans
versely to said shaft ?and a second wall perpendicular to
said ?rst wall, a drive bevel gear carried by said drive
shaft within said housing, at least one of said walls being
provided with .an aperture, a cover plate for said aper 45
ture removably secured to said housing, bearing means
on said cover plate, and at least one outwardly project
ing auxiliary shaft journaled in said bearing means and
provided with a driven bevel gear adapted to pass through
said aperture and detac - bly meshing with said drive
gear.
'
V
2. The combination according to claim 1 wherein said
chassis is provided on its underside with rails supporting
said housing.
3. In an automotive vehicle, in combination, a chassis, 55
a power shaft below said chassis, walls forming a pris
matic housing on the underside of said chassis, a drive
shaft coupled to said power shaft and passing through said
housing, said walls including a ?rst wall extending trans
UNITED STATES PATENTS
1,219,545
1,539,787
1,678,289
2,113,917
2,179,171
2,192,146
2,199,659
2,445,828
2,450,896
2,669,881
2,755,686
2,798,382 '
2,869,384
3,002,393
1,078,786
Gilbertson ___________ .._ Mar. 20, 1917
Susio ______________ __ May 26, 1925
Hartmann ____________ __ July 24, 1928
Jersey ______________ __ Apr. 12, 1938
Echo ________________ __ Nov. 7, 1939
Nightenhelser et a1 _____ __ Feb. 27, 1940
Courville _____________ .._ May 7, ?1940
Heinsohn ____________ __ July 27, 1948
Kimberly ____________ -_ Oct. 12, 1948
Skidmore ____________ __ Feb. 23, 1954
Bade ________________ __ July 24, 1956
Fletcher et al ___________ __ July 9, 1957
Schmitter ____________ .. Jan. 20, 1959
Browning ____________ __ Oct. 3, 1961
FOREIGN PATENTS
France ______________ .._ Nov. 23, 1954
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