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April 20, 1948.
J. w. MaCCLATCHIE
I
2,440,180
GRIFFING MEANS FOR REMOVING TREES
Filed Feb. 7, 1945
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km W. MACCLATéHIE,
By
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Gttomeg.
Patented Apr. 20,’ 1948
2,440,180
ammo STATES PATENT
2,440,180‘
GRIPPING
‘Fort REMOVING minis
John W. MacOlatchie, LosAngeles, Calif.
Application February 7, 1945, ‘seriaIYNatda-‘mv
‘2‘Claims.
1
This invention relates to a gripping means for
removing trees, stumps, postspoles and the like.
311*heIdbject‘ofm-y inventionis to provide agrip
pingv means for removing trees, stumps, posts,
sarily provided with serrated teeth il 6 tori-anther
gripping m‘e‘ah's.
poles and ‘the ‘like which is ‘- economical to make,
simple in construction ‘and which ‘can be =oper
Means .iare-zals'o providedLtoholdxthesecondary
jaw in i'op'enip'o'sit'i‘on {with respectv-toi'the primary
jaw ‘until the‘. primary» fjaw >-en’g'a‘g'es 'a treeor
other object to ‘be moved. TFor-‘Lthi‘s fpurpose a
ateiibylasingleindiwdual.
spring H-may be ‘provided.-
.- ’
hnother-objectof-myinventionis to provide a
‘
_
f >
‘In operation, the a device is -‘adapte'd to lb‘eimoved
gripping means comprising a primary jaw and a
forward icy means of ‘the ‘resilient cohneetionlbe
secondary jaw pivoted to the primary jaw with l0 tween > the ‘tractor and ‘ the“ primary ijaw as ‘shown
means for normally holding the secondary jaw in
open position‘with‘respectto‘the primaryijawr and
with means “connecting v‘said jaws which ‘auto
matically moves the secondary jaw into cooper
in'ili'igure 11, "withth'e ‘wireiline fin iinoperaftive
position.
As the’ primary jaw engages -'a 5tree or =‘other
object and the device is moved forward, the spring
ating arrangement with the primary jaw when 15 I4 is extended, the secondary jaw moves into
cooperating position with the primary jaw, and
the'primary jaw is ‘held against forward move
the wire line which extends from the primary jaw
ment as the device is moved in a forward direc
through the pulley l8 to the secondary jaw be-_
tion.
comes taught, that is, said cable moves into fully
Another object of my invention is to provide
a resilient connection between the primary jaw 20 operative position as shown in Figure 3. The
tree is now ?rmly engaged by the gripping means
and upon further movement of the tractor, the
tree or other object is pulled out of the ground.
which line connection automatically moves the
It will readily be seen that the device is adapted
secondary jaw into cooperating arrangement with
the primary jaw as the primary jaw contacts a 25 to be operated by a single individual and there
by accomplishes one of the main objects of the
tree or other object and is thereby held against
invention. It will also be seen that it is simple
forward movement as the device is moved in a
and rugged in construction and that it is economi
forward direction.
and the tractor and a line connection between
the primary jaw, tractor and the secondary jaw,
,
My invention has other objects, advantages, 30 cal to make.
From the foregoing description taken in con
and features, some of which, with the foregoing,
nection with the accompanying drawings the
will be set forth at length in the following de
uses, advantages, and operation of the gripping
scription where I shall outline one form of my
means of my invention will be readily understood
invention, which I have selected for illustration
in the drawings accompanying and forming a 35 by those skilled in the art to which the inven
tion appertains. While I have described the prin
part of the present speci?cation.
ciple of operation, together with the form of my
In the drawings:
Figure 1 is a plan view of my invention show
invention which I now consider to be the best
embodiment thereof, I desire to have it under
stood
that the form shown is merely illustrative
Figure 2 shows the device of Figure 1 as the 40
and that the invention is not to be limited to
primary jaw engages the tree and the secondary
the details disclosed herein, but is to be accorded
jaw has been moved into cooperating arrange
the full scope of the appended claims.
ment with the primary jaw.
I claim as my invention:
Figure 3 shows the device of Figure 1 as the
1. A device for attachment to a draft appara
jaws are fully closed about the tree.
45 tus for gripping and pulling trees, stumps, and
Figure 4 is an elevational view indicated by the
the like, comprising a primary jaw having a for
arrows -'l—4 in Figure 3.
wardly extending shank portion and a laterally
In the drawings, the numeral ID indicates a
extending gripping portion, a secondary jaw piv
primary jaw and the numeral ll indicates a
otally secured to said primary jaw, said second
secondary jaw which is pivoted to the primary 50 ary jaw having a gripping portion and a shank
jaw at l2. The primary jaw is connected to
portion and being pivotally movable from an open
ing the primary jaw about to contact the tree.
the tractor or other moving means l3 by means
position in which said laterally extending grip
of a spring [4 and is connected to the tractor
ping portion of said primary jaw is unobstructed
and the secondary jaw II by means of a wire
for engagement with a tree, stump, or the like,
line IS. The jaws are preferably but not neces 55 to a closed position in which said gripping por
3
2,440,180
tion of said secondary jaw is in opposed cooper
ating relationship to said gripping portion of said
primary jaw, means for moving said secondary
jaw to open position, an extensible spring mem
ber for connecting said shank portion of said pri
mary jaw to a draft apparatus, a ?exible line ex
4
?exible line extending forwardly from said shank
portion of said primary jaw to a pulley secured
to the draft apparatus, and thence extending
rearwardly to said shank portion of said sec‘;
ondary jaw whereby said shank portion of said
primary jaw may engage a tree, stump, or the
like, during forward movement of the draft ap=
tending forwardly from said shank portion of
paratus, and said ?exible line will pull said sec;
said primary jaw for movable engagement with
ondary jaw from open position to closed position
the draft apparatus and thence extending rear
wardly to said shank portion of said secondary 10 during elongation of said spring member, after
which said ?exible line will prevent further elon
jaw, said ?exible line being of a length such that
gation of said spring member and will transmit
it pulls said secondary jaw from open position
pulling force from the draft apparatus to said
to closed position during elongation of said ex
device.
tensible spring member by pulling force of the
draft apparatus.
15'
2. A device for attachment to a draft appa
ratus for gripping and pulling trees, stumps, and
the like, comprising a primary jaw having a
forwardly extending shank portion and a lat
erally extending gripping portion, a secondary 20
jaw having a shank portion and a gripping por
tion, said secondary jaw being mounted on said
primary jaw and pivotally movable from-open
JOHN W. MAcCLATCI-HE.
REFERENCES CITED
The following references are of record in the
file of this patent:
’
UNITED STATES PATENTS
Number
1
1,272,359
1,700,008
1,732,976
position in which said gripping portion of said
primary jaw is unobstructed for engagement with 25
1,888,083
a tree, stump, or the like, to a, closed position in
1,976,977
which said gripping portion of said secondary jaw
2,233,821
is in opposed cooperating relationship to the grip
ping portion of said primary vjaw, resilient means
for urging said secondary jaw to open position, an 30
Number
extensible spring member secured to said shank
14,412
portion of said primary jaw and extending for
wardly for connection to a draft apparatus, a
54,628 '
Name
I
Date
Bell ______________ __ July 16, 1918
Wester ___________ __ Jan. 22, 1929
Mathews _________ __ Oct. 22, 1929
Holtz ____________ __ Nov. 15,1932
Zinky _____v,_ ______ __ Oct. 16, 1934
Ramer ___________ __ Mar. 4, 1941
FOREIGN PATENTS
Country
Date
Great Britain _____ __ June 25, 1902
Sweden __.._.__ ________ __ July 9, 1921
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