U.S. patent number 3,878,939 [Application Number 05/244,831] was granted by the patent office on 1975-04-22 for folding tool case.
Invention is credited to Charles L. Wilcox.
United States Patent |
3,878,939 |
Wilcox |
April 22, 1975 |
Folding tool case
Abstract
A folding tool case operative to stand upright on rollers when
open to present for use tools removably supported upon the opposed
inner vertical panels of the case is described. The particular
location of each tool of a set of various tools supported in the
tool case is identified by shadow representations of the tools
painted or otherwise marked upon the case panels to minimize tool
loss while at the same time providing ready access to the tools
during their use in engine overhaul.
Inventors: |
Wilcox; Charles L. (Miami,
FL) |
Family
ID: |
22924290 |
Appl.
No.: |
05/244,831 |
Filed: |
April 17, 1972 |
Current U.S.
Class: |
206/373; 190/18A;
312/200; 206/459.5 |
Current CPC
Class: |
B25H
3/021 (20130101); B25H 3/023 (20130101) |
Current International
Class: |
B25H
3/00 (20060101); B25H 3/02 (20060101); B65d
085/54 (); A47b 081/00 () |
Field of
Search: |
;206/373,372,374,375,376,378,459,DIG.29,223 ;190/18A ;217/6E
;312/200 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Summer; Leonard
Attorney, Agent or Firm: Schmidt; Ernest H.
Claims
What I claim as new and desire to secure by Letters Patent is:
1. In a folding tool case, the combination comprising, a tool case
having a pair of shallow, rectangular half-case members, piano
hinge means connecting edge portions of said half-case members for
relative opening and closing of the tool case to define an interior
chamber, a toggle lever device for limiting the relative outward
swinging motion of said half-case members to define an interior
angle of approximately 90.degree., said half-case members each
comprising a rectangular face panel and peripheral side panels,
attachment means for releasably and individually securing the tools
of a mechanic's set of tools against said insides of said half-case
members when said panels are vertically disposed, shadow likenesses
of the tools of the tool set being impressed upon the insides of
said half-case members to illustrate their individual positions
when secured by their attachment means, a plurality of ball rollers
for rollably supporting said half-case members upon a horizontal
surface when its face panels are in vertical disposition and
locking means for securing said half-case members in relatively
closed disposition.
2. A folding tool case as defined in claim 1 wherein said locking
means comprises a hasp and staple secured at edge portions of said
half-case members opposite said piano hinge.
3. A folding tool case as defined in claim 2 including a carrying
handle secured to the upper end of one of said half-case members.
Description
This invention relates to mechanic's tools and is directed
particularily to a novel and improved folding tool case which, in
addition to serving as a storage and carrying case, opens to
provide an upright, rollable display board supporting a plurality
of mechanic's tools in separate, individual positions for ready
access by a mechanic in the performance of engine work and the
like.
Various toolboxes have heretofore been devised for storing
mechanic's tools when not in use. Such toolboxes or tool containers
as have heretofore been devised, however, if designed to carry the
full complement of the various tools that would ordinarily be used
in major engine overhaul, incorporated a plurality of bins,
compartments or the like into which tools or tool parts of various
groupings would be loosely placed when not in use. This
necessitated groping in the various bins for a particular size of a
wrench socket, for example, or open end wrench, in the bins
containing these particular tool sets, with the result that
considerable time was wasted simply in picking out a particular
tool when needed. Another disadvantage of such prior toolboxes is
that it could not readily be determined if all the tools had been
returned to the toolbox upon the completion of a job without
counting the loose tools or tool parts in the various bins. This
resulted in the loss of tools from time to time, particularily
small tools such as Allen wrenches and wrench sockets, because of
failure to take the time for an accurate inventory upon the
completion of an overhaul job. In certain instances, such as in
aircraft engine overhaul, the loss of a tool due to its inadvertent
inclosure within an engine upon the assembly of the engine, if
undetected, could pose a serious threat to safe operation of the
engine when placed in use in an aircraft.
It is, accordingly, the principal object of this invention to
provide a novel and improved folding tool case for a full
compliment of engine overhaul tools that obviates the
above-described deficiencies of toolboxes, tool cases and the like
heretofore devised.
It is a more particular object of the invention to provide a
folding tool case comprising a pair of relatively hinged, shallow,
rectangular case members the interior surfaces of which are
provided with means for individually releasably supporting a
complement of the various tools needed in the performance of an
engine overhaul on a particular engine or class of engines.
It is another object of this invention to provide a folding tool
case of the above nature wherein, at each tool support position, a
shadow likeness of that particular tool is traced, printed or
otherwise impressed upon one or the other of the interior surfaces
of the case members to facilitate the correct replacement of tools
in the case after their use.
Yet another object of the invention is to provide a folding tool
case of the character described which includes means for limiting
the relative outward swinging or opening of the case members to
approximately 90.degree., to provide an angular base for sturdy
upright support of the tool case when open for use, with full
display of all tools for ready access by a mechanic.
Still another object of the invention is to provide a folding tool
case of the above nature the undersurfaces of which are provided
with rollers for rolling portability of the case when in its open
position of use.
Other objects features and advantages of the invention will be
apparent from the following description when read with reference to
the accompanying drawings. In the drawings, wherein like reference
numerals denote corresponding parts in each of the two views:
FIG. 1 is a perspective view of a folding tool case embodying the
invention shown in its open, upright position of use; and
FIG. 2 illustrates how a plurality of the folding tool cases can be
stacked and chained together to prevent stealing or pilferage.
Referring now in detail to the drawings, reference numeral 10
designates, generally, a preferred form of folding tool case
embodying the invention, the same comprising a pair of shallow,
rectangular half-case members 11a, 11b, hinged along inner edge
portions as by a piano hinge 12 to provide for folding together
into a compact, rigid carrying case having a thickness of
approximately 6 inches, a width of about 20 inches and a height of
about 24 inches. The half-case member 11a, 11b are preferably
fabricated of hard wood or plywood and, along their meeting edges
opposite the hinge 12, are provided with central lock means in the
form of a hasp 13 and staple 14 adapted to receive a padlock or
other locking means as is hereinbelow more particularly described.
The half-case members 11a, 11b are also fitted, at each side of the
hasp and staple 13, 14, with latch mechanism 15a, 15b for securing
the folding case in closed condition, as illustrated in FIG. 2. The
upper end of one of the half-case members, for example the
half-case member 11b as illustrated in FIG. 1, is fitted with a
carrying handle 16. The undersides of the bottom 11c, 11d of the
half-case members 11a, 11b are provided with roller means,
preferably ball rollers 17, (see FIG. 2), one at each end of each
of the half-case members, to provide for four point rolling support
of the tool case when in its open position of use.
Referring to FIG. 1, it will be seen that the inner face panels
18a, 18b of the half-case members 11a, 11b, respectively, have
removably attached thereto, in an orderly fashion, all the various
tools which might ordinarily be used in the repair or overhaul of
engines, for example a particular class of aircraft engines. To
this end, and by way of example, spring clips 19 are appropriately
placed for attaching a plurality of screwdrivers 20, 20a, 20b,
etc.; pairs of hooks screws 21a, 21b are provided for the
supporting hammers 22a, 22b; and wire hook members 23a, 23b and 23c
are provided for supporting pliers and plier-like tools, 24, 25 and
26, all against the inner facing of face panel member 18a.
Similarily, various tools such as wrenches 27, 27a, 27b etc.;
socket wrench extension members 28, 28a, etc.; hack saw 29, and
other tools are supported in an orderly fashion against the inside
of inner face panel member 18b by hook members 30 and spring clip
members 31. The upper surfaces of the bottoms 11c, 11d of the
respective half-case members 11a, 11b have secured thereto support
plates 32, 33, 34, having upstanding pegs (not visible in the
drawings) for locating and removably retaining in place various
sets of wrench socket members 36, 36a, etc.; 37, 37a, etc.; 38,
38a, etc., and 39, 39a, etc.
Means is provided to facilitate the replacement of any one of the
tools in its proper retained position within the folding tool case
10. To this end, each tool has its shadow likeness painted, or
otherwise impressed, upon the adjacent surface of its respective
face panel member 18a, or 18b, as illustrated by the broken-line
representations thereof as indicated, by way of example, by
reference numerals 40, 41 42 associated with the screwdriver set
comprising screwdriver 20a and 20b; reference numerals 43 and 44
associated with hammers 22a and 22b; reference numerals 45 and 46
associated with hand wrenches 27 and 27a; etc.
In the use of my folding tool case, it will be opened to define an
angle of about 90.degree. between the face panel numbers 18a and
18b, as illustrated in FIG. 1, whereat it will be releasably
retained in open position by an ordinary toggle lever device 47
attached between inner marginal portions of the top members 48, 48a
of the folding tool case 10. When so opened the four ball rollers
17, upon which the tool case rests, define a wide triangular base
for stable support and stable rollability of the tool case while in
its use position. The open tool case can therefore be easily moved
from place to place along the floor for convenient access in engine
overhaul. Since each tool has a definite location within the tool
case, their individual locations will be quickly learned by the
mechanic, enabling him to remove and replace the tools with little
difficulty. Since each tool has its shadow likeness at its retained
location, only casual attention need be given to insure that each
tool is in its proper place. This is especially important in use of
the tool set to overhaul aircraft engines, as an accurate inventory
must be kept of the tools to prevent inadvertantly leaving one or
more of them within the interior of the engine during re-assembly.
It will be apparent that the orderly, regular placement of the
various tools in the tool case, together with the shadow likenesses
of the tools behind their particular locations, makes it a simple
matter to observe almost at a glance, whether or not every tool
that has been used in the repair or overhaul of an engine has been
returned back to the tool case.
FIG. 2 illustrates how a plurality of folding tool cases 10
embodying the invention can be horizontally stacked in upright
position for storage when not in use, and secured together in
locked condition by means of a chain loop 49 to minimize the
possibility of stealing. This method of locking and securing the
tool cases is particularily advantageous in engine overhaul shops
where many mechanics are employed in the overhaul of aircraft
engines in quantity production.
While I have illustrated and described herein only one form in
which my invention can conveniently be embodied in practice, it is
to be understood that this form is presented by way of example only
and not in a limiting sense. My invention, in brief, comprises all
the embodiments and modifications coming within the scope and
spirit of the following claims.
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