Curb shoe for plow blade

A new curb shoe for a plow blade for extending the wear time of plow blades. The inventive device includes a curb shoe mountable to a plow blade. A shaft guard attached to a mounting mountable to a plow blade. The shaft guard is welded to the mounting and includes fastener holes in the mounting allowing a fastener locking end to pass through the mounting and the plow blade with a fastener head to index in a fastener hole groove. The fastener locking end is locked in position, binding the mounting to the plow blade.

BACKGROUND OF THE INVENTION 
1. Field of the Invention 
The present invention relates to guards for plow blades and more 
particularly pertains to a new curb shoe for plow blade for extending the 
wear time of plow blades. 
2. Description of the Prior Art 
The use of guards for plow blades is known in the prior art. More 
specifically, guards for plow blades heretofore devised and utilized are 
known to consist basically of familiar, expected and obvious structural 
configurations, notwithstanding the myriad of designs encompassed by the 
crowded prior art which have been developed for the fulfillment of 
countless objectives and requirements. 
Known prior art guards for plow blades include U.S. Pat. No. 4,899,472; 
U.S. Pat. No. 4,833,801; U.S. Pat. No. 4,069,604; U.S. Pat. No. 4,290,214; 
U.S. Pat. No. 4,347,677; U.S. Pat. No. 4,346,528 and U.S. Pat. No. 
4,450,635. 
While these devices fulfill their respective, particular objectives and 
requirements, the aforementioned patents do not disclose a new curb shoe 
for plow blade for extending the wear of a plow blade including a shaft 
guard means attached to a mounting means mountable to a plow blade, the 
shaft guard means welded to the mounting member, fastener holes in the 
mounting means allowing fastener means locking end to pass through the 
mounting means and the plow blade with the fastener means head indexing in 
the fastener hole groove, and fastener means locking end locked in 
position binding the mounting means to the plow blade. 
In these respects, the curb shoe for plow blade according to the present 
invention substantially departs from the conventional concepts and designs 
of the prior art, and in so doing provides an apparatus primarily 
developed for the purpose of guards to extend the wear time of plow 
blades. 
SUMMARY OF THE INVENTION 
In view of the foregoing disadvantages inherent in the known types of 
storage devices now present in the prior art, the present invention 
provides a new curb shoe for plow blade construction wherein the same can 
be utilized for guards to extend the wear time of plow blades. As such, 
the general purpose of the present invention, which will be described 
subsequently in greater detail, is to provide a new curb shoe for plow 
blade apparatus and method which has many of the advantages of the guards 
for plow blades mentioned heretofore and many novel features that result 
in a new curb shoe for plow blade which is not anticipated, rendered 
obvious, suggested, or even implied by any of the prior art storage 
devices, either alone or in any combination thereof. 
To attain this, the present invention generally comprises a shaft guard 
means attached to a mounting means mountable to a plow blade. The shaft 
guard means is welded to the mounting member. The fastener holes in the 
mounting means allowing fastener means locking end to pass through the 
mounting means and the plow blade with the fastener means head indexing in 
the fastener hole groove. The fastener means locking end is locked in 
position binding the mounting means to the plow blade. 
There has thus been outlined, rather broadly, the more important features 
of the invention in order that the detailed description thereof that 
follows may be better understood, and in order that the present 
contribution to the art may be better appreciated. There are additional 
features of the invention that will be described hereinafter and which 
will form the subject matter of the claims appended hereto. 
In this respect, before explaining at least one embodiment of the invention 
in detail, it is to be understood that the invention is not limited in its 
application to the details of construction and to the arrangements of the 
components set forth in the following description or illustrated in the 
drawings. The invention is capable of other embodiments and of being 
practiced and carded out in various ways. Also, it is to be understood 
that the phraseology and terminology employed herein are for the purpose 
of description and should not be regarded as limiting. 
As such, those skilled in the art will appreciate that the conception, upon 
which this disclosure is based, may readily be utilized as a basis for the 
designing of other structures, methods and systems for carrying out the 
several purposes of the present invention. It is important, therefore, 
that the claims be regarded as including such equivalent constructions 
insofar as they do not depart from the spirit and scope of the present 
invention. 
Further, the purpose of the foregoing abstract is to enable the U.S. Patent 
and Trademark Office and the public generally, and especially the 
scientists, engineers and practitioners in the art who are not familiar 
with patent or legal terms or phraseology, to determine quickly from a 
cursory inspection the nature and essence of the technical disclosure of 
the application. The abstract is neither intended to define the invention 
of the application, which is measured by the claims, nor is it intended to 
be limiting as to the scope of the invention in any way. 
It is therefore an object of the present invention to provide a new curb 
shoe for plow blade apparatus and method which has many of the advantages 
of the guards for plow blades mentioned heretofore and many novel features 
that result in a new curb shoe for plow blade which is not anticipated, 
rendered obvious, suggested, or even implied by any of the prior art 
storage devices, either alone or in any combination thereof. 
It is another object of the present invention to provide a new curb shoe 
for plow blade which may be easily and efficiently manufactured and 
marketed. 
It is a further object of the present invention to provide a new curb shoe 
for plow blade which is of a durable and reliable construction. 
An even further object of the present invention is to provide a new curb 
shoe for plow blade which is susceptible of a low cost of manufacture with 
regard to both materials and labor, and which accordingly is then 
susceptible of low prices of sale to the consuming public, thereby making 
such curb shoe for plow blade economically available to the buying public. 
Still yet another object of the present invention is to provide a new curb 
shoe for plow blade which provides in the apparatuses and methods of the 
prior art some of the advantages thereof, while simultaneously overcoming 
some of the disadvantages normally associated therewith. 
Still another object of the present invention is to provide a new curb shoe 
for plow blade for guards to extend the wear time of plow blades. 
It is an additional object of the present invention is to provide a new 
curb shoe for plow blade that protect street curbing and reduce the damage 
done by plows being run against the curbing. 
An even additional objective of the present invention is to provide a new 
curb shoe for plow blade that is safer to operate. 
It is another objective of the present invention is to provide a new curb 
shoe for plow blade is environmental friendly by requiring less materials 
through longer wear and by reducing the damage down while plowing. 
Yet another object of the present invention is to provide a new curb shoe 
for plow blade which includes a shaft guard means attached to a mounting 
means mountable to a plow blade, the shaft guard means welded to the 
mounting member, fastener holes in the mounting means allowing fastener 
means locking end to pass through the mounting means and the plow blade 
with the fastener means head indexing in the fastener hole groove, and 
fastener means locking end locked in position binding the mounting means 
to the plow blade.. 
These together with other objects of the invention, along with the various 
features of novelty which characterize the invention, are pointed out with 
particularity in the claims annexed to and forming a part of this 
disclosure. For a better understanding of the invention, its operating 
advantages and the specific objects attained by its uses, reference should 
be had to the accompanying drawings and descriptive matter in which there 
is illustrated preferred embodiments of the invention.

DESCRIPTION OF THE PREFERRED EMBODIMENT 
With reference now to the drawings, and in particular to FIGS. 1-7 thereof, 
a new curb shoe for plow blade embodying the principles and concepts of 
the present invention and generally designated by the reference numeral 10 
will be described. 
More specifically, it will be noted that the curb shoe for plow blade 10 
comprises a shaft guard means 30 secured to a mounting means 20 mounted on 
a plow blade 52 attached to a plow 50. 
As best illustrated in FIGS. 1 through 3, it can be shown that the mounting 
means 20 according to the present invention 10 preferably comprises a 
plate member 20 with multiple fastener holes 22 positioned to match the 
fastener hole in plow blades. The shaft guard means 30 is welded to the 
mounting means 20. The shaft guard means 30 has a shank member 32 and a 
surface contact member 34. The surface contact member 34 is positioned one 
half inch below the lower edge of the mounting means 20. The preferred 
shape of shank member 32 is cylindrical. The shank member 32 is made of a 
dense material. The mode for making the shank member 32 is from rolled 
steel. 
As best illustrated in FIGS. 4 and 7, it can be shown that the fastener 
hole 22 has a fastener hole groove 24. The fastener hole 22 receives a 
fastener means 40. The fastener means 40 has a fastener means shaft 42 
which terminates at one end in a fastener means head 44. The fastener 
means head 44 indexes into the fastener hole groove 24. The end opposite 
of the fastener means head 44 of the fastener means shaft 42 terminates is 
a fastener means locking end 46. The fastener means locking end 46 
receives a locking means 48. 
As best illustrated in FIGS. 5, 6 and 7, it can be shown that the curb shoe 
mounts directly to a plow 50. This illustration shows the curb shoe 
mounted to a snow plow. The plow 50 mounted on the bottom edge a plow 
blade 52. The curb shoe 10 is mounted to the plow blade 52 and the plow 
50. The fastener holes 22 in mounting means 20 are positioned to 
correspond to the plow blade attaching holes 56 and the corresponding plow 
attaching holes 54. The fastener means 40 passes through the fastener hole 
22, the plow blade attaching hole 54 and finally the plow attaching hole 
54. When fully inserted the fastener means head 44 of the fastener means 
shaft 42 indexes into the fastener hole groove 24. The fully inserted and 
indexed fastener means 40 is secured in the inserted position by the 
locking means 48 being received and locked to fastener means locking end 
46 not labeled. 
With further reference to FIGS. 5-7 and 8, it can be shown that the 
fastener means locking end 46 is threaded to receive locking means 48 
which is a threaded nut. A washer 49 is placed over the fastener means 
locking end 46 not labeled before the locking means 50 is tightened. 
As to a further discussion of the manner of usage and operation of the 
present invention, the same should be apparent from the above description. 
Accordingly, no further discussion relating to the manner of usage and 
operation will be provided. 
With respect to the above description then, it is to be realized that the 
optimum dimensional relationships for the parts of the invention, to 
include variations in size, materials, shape, form, function and manner of 
operation, assembly and use, are deemed readily apparent and obvious to 
one skilled in the art, and all equivalent relationships to those 
illustrated in the drawings and described in the specification are 
intended to be encompassed by the present invention. 
Therefore, the foregoing is considered as illustrative only of the 
principles of the invention. Further, since numerous modifications and 
changes will readily occur to those skilled in the art, it is not desired 
to limit the invention to the exact construction and operation shown and 
described, and accordingly, all suitable modifications and equivalents may 
be resorted to, falling within the scope of the invention.