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Патент USA US3090130

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May 21, 1963
v. WQCONRAD
3,090,120
LOG INCISING DEVICE
Filed Aug. 28, 1961
INVENTOR.
VER/YOI/
M (‘o/v0.40
147701901576’
United States Patent Gee
1
3,090,120
Patented May 21, 1963
2
3,090,120
have operating clearance of the handles 10 when operat
ing betwen link means 7 and 8.
Vernon W. Conrad, 14512 Edgewater Lane,
Seattle, Wash.
Filed Aug. 28, 1961, Ser. No. 134,277
3 Claims. (Cl. 30-465)
The blade portions 11 each operates in an arc. The
distance between the two arcs from the two blade por
tions 11 is more than half way around the log 5 so that
as the blade port-ions i=1 engage with the log 5 there is
LOG INCISING DEVICE
a tendency to pull the central portions of the links 7
and 8 toward the log 5.
incisions in and to provide for the separation of round
From the foregoing it should now be obvious that I
logs into disc-like pieces or wafers.
10 have provided a device for incising round logs and that
Arti?cially formed logs having a diameter of about
I provide an arcuate central link means which preferably
4%" and a length of about 15" are sold on the market
is formed of two link means 7 and 8. In view of the fact
under such trade names as Presto Logs, and Burn-Rite
that we are cutting manufactured logs, their diameters
Logs. They are formed from scrap shavings from a lum
are rather uniform and We can thus have a snug ?t be
ber mill and bound together by heat and pressure and 15 tween the inner surface of the arcuate link means and the
extruded from the machines which form them and then
surface of a log 5. Also the character of the logs desired
cut them substantially to the length mentioned.
to be incised is such that with two cuts or incisions made
The present invention relates to a device for making
It is di?icult to start a ?re with such logs, if they re
in the log, a wafer-like portion such as 6 can be easily
main in the size in which they were purchased. If the
removed after the incisions have been made. Generally
logs are made to speci?cations so that they will be long
the wafers fall away from the balance of the log after the
burning, full sized such logs are difficult to start to burn.
incisions have been made, however, it is entirely practical
However, if the logs are cut into relatively thin wafers,
to use the blade portions 1.1 as wedges or levers moved
such wafers permit the ready start of a ?re.
by pressure on handles 10.
It is an object of my invention to provide a log incising
Each of the lever means comprises a relatively long
device which will provide for incisions in logs so that the 25 handle means 10 on one side of the pivot means and a
logs may be readily separated into disc-like pieces or
relatively short blade means 11 on the other side of the
wafers.
pivot means. The blade means are relatively short to pro
It is a further object of my invention to provide such
vide relatively shallow incisions in the log.
a device which is sturdy and rugged but at the same time
Preferably the arcuate link means is formed of two
30 arcuate link means 7 and 8, spaced apart and secured to
is inexpensive to manufacture.
Other objects and advantages of this invention will
gether by rivets 9 at the end portions of the links. Also
become apparent as the description of the same proceeds
the rivets have the further function of pivots for the
and the invention will be best understood from the con
levers 10. The blade means 11 contact the log in suf
sideration of the accompanying detailed description,
?cient spaced distances around the log so as to urge the
taken in connection with the accompanying drawings 35 log again-st links 7 and 8 while incisions are being made.
forming a part of the speci?cation, with the understand
Obviously changes may be made in the forms, dimen
ing, however, that the invention is not to be limited to the
sions and arrangement of the parts of my invention, the
exact details of construction shown and described since
foregoing setting forth only preferred forms of embodi
obvious modi?cations will occur to a person skilled in
ment of my invention.
40
the art.
What is claimed is:
FIG. 1 is a perspective view showing the device when
1. A device for incising round logs comprising an
in use illustrating the device in connection with a round
arcuate central link means having an inner surface for
log of the manufactured type;
?tting crosswise on a surface portion of a log; two pivot
‘FIG. 2 is a view in end elevation, with parts broken
means, each disposed on an end portion of said central
45 link means; two lever means each carried by one of said
away, and on an enlarged scale over FIG. 1; and
FIG. 3 is an elevation view, taken substantially on
pivot means to move in a direction crosswise of the log,
broken line 3-3 of FIG. 2, and with the log shown by
each of said levers being an integral unit of a relatively
dot and dash lines.
long handle means on one side of said pivot means and
New referring to the drawings, the log 5 is to be incised
a relatively short blade means on the other side of said
50 pivot means, said blade means being of a length to make
by my device to provide wafer-like portions 6.
relatively shallow incisions into a log.
An arcuate central means is preferably provided from
spaced arcuate link means 7 and 8 connected together
2. A device for incising round logs comprising an arcu
by rivets 9. The rivets 9 have a central portion which
ate central link means having an inner surface for ?tting
is greater diameter than that at the ends, so that said
crosswise on a surface portion of a log; said central link
55
rivets 9 function as spacer members to space the link
means comprising two spaced apart links; two pivot
means 7 and 8 apart and at the same time, after their
means interconnecting the spaced apart links and each
end portions are ?attened, they function in the usual
disposed on an end portion of said central link means; and
manner of rivets. Such types of rivets are standard on
two lever means each disposed between spaced apart links
the market and readily obtained. The rivets 9 function 60 and carried by one of said pivot means to move in a di
as bearings to pivotally mount handles 10. The handles
rection crosswise of the log, each of said levers being an
10 each carry an incising or blade portion ‘11 and with
integral unit of a relatively long handle means on one side
the rivets functioning between the blade portion 11 and
the handle portion 10. Also the spacing provided by the
of said pivot means and a relatively short blade means on
the other side of said pivot means, said blade being of
said rivets 9, between the link means 7 and 8, is such to 65 a length to make relatively shallow incisions into a log.
3,090,120
4
3
‘3. A device for incising round logs comprising an
arcuate central link means having an inner surfacerfor
?tting crosswise on a surface portion of a log and for
more than one half way around; two pivot means, each
disposed on an end portion of said central link means;
two lever means each carried by one of said pivot means
to move in a direction crosswise of the log, each of said
levers being an integral unit of a relatively long handle
means on one side of said pivot means and a relatively
short blade means on theother side of said pivot means, 10
the blade portions initially‘ contacting the log at locations
separated by~more than half way around the log, said
blade means being of a length to make relatively shallow
incisions into a log.
References Cited in the ?le of this patent
UNITED STATES PATENTS
331,787
338,716
Harlow _______________ .. Dec. 8, 1885
Conner _____________ __ Mar. 30, 1886
1,519,407
Kingham et a1 _________ __ Dec. 16, 1924
2,5 15,627
Capewell ____________ __ July 18, 1950
2,655,763
2,760,307
Grissett _____________ __ Oct. 20, 1953
Tiblom _____________ __ Aug. 28, 1956
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