close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3064364

код для вставки
Nov. 20, 1962
3,064,355
l. M. HERMAN
CARBIDE THREAD PLUG SHOCK ABSORBER
Filed May 27, 1960
.l.
r V.
mmm“;M/RL/
6Ar
m
WM
E,44AhI a”!
crM
H
I
M,»
.
w WM.”\ m
WmM
rmmm
United States Patent 0 " "ice
1
3,064,355
CARBIDE THREAD PLUG SHUCK ABSGRBEZR
Irving M. Herman, Glendale, Calif., assignor to Bell
Aerospace Corporation, Bu?alo, N.Y., a corporation of
Delaware
Filed May 27, 196%), Ser. No. 32,493
'
6 Claims.
(Cl. 33—199)
3,064,355
Patented Nov. 20, 1962
2
the cylindrical portion 18 of each plug I16 and is secured
on said cylindrical portion thereof by being soldered
thereto.
Other suitable means may, ‘of course, be used
to secure said end portions of the respective spring 20 to
said cylindrical portions of the plugs 16.
The free end of one of the springs 20 carries a thread
plug gauge member, indicated generally at 22, which is
indicated as a “G0” gauge.
The free end of the other
spring 243 carries a ‘gauge member, indicated generally at
This invention relates ‘generally to tools and relates
24, which is indicated as a “NO GO” gauge member.
10
more particularly to gauge devices.
The gauge member 22 comprises a cylindrical body 26
While the invention has particular utility embodied in
which is received in :an outer end portion of one of the
carbide thread plug ‘gauges, and is shown and described
springs 29 and is soldered to said end portion of the spring,
in such connection, it is to be understood that its utility
or otherwise suitably secured thereto. The body 26 of
is not con?ned thereto.
Certain di?iculties are encountered in connection with 15 gauge 22 has an outwardly extending part 28 from which
there extends outwardly and externally threaded part 30.
carbide thread plug gauges. For example, should these
The gauge member ‘24 is similar to the gauge member
‘gauges be inadvertently dropped or knocked against a
22,
said gauge member 24 also having a cylindrical
hard object they are likely to break, so that it is neces
body 26 which is disposed in an outer end portion of the
sary to maintain a relatively large supply of such plugs.
It is therefore an object of the present invention to 20 respective spring 20 at the end of the handle 10 opposite
the end carrying the gauge element 22. The spring is
provide carbide thread plug gauge devices wherein break
soldered to the cylindrical body portion 26 of the gauge
age of such gauge devices is reduced to a minimum.
member 24 disposed in the end portion of said spring, or
Therefore, it is not necessary to maintain a large supply
the parts may be otherwise suitably secured together.
of such carbide thread plug devices in order to have an
25 Gauge member 24 ‘has an outwardly extending part 28
adequate supply thereof on hand.
from which there extends outwardly an externally threaded
As is well known, thread gages are turned in and out
part 36a.
of the threads in machine parts many times and, hence,
It is to be noted that the inner ends of the gauge mem
the gauges are subject to considerable wear.
bers 22 and 24 are in outwardly spaced relationship to
vIt is therefore another object of the present invention
to provide a thread gauge device wherein such wear is 30 the outer ends of the adjacent plugs 16 and the various
parts of the device are in axial alignment. The gauge
reduced to a
it has been found that with the
present device the life of the smaller carbide gauges has
elements 22 and 24 are used in the usual manner.
'
Should the device he inadvertently dropped or knocked
against a hard object the elasticity of the springs reduces
It is still another object of the invention to provide 35 shock on the gauge members, thereby preventing the
breakage thereof or limiting breakage to extreme situa
thread plug gauge devices that are simple in construc
tions where the gauge members have been subjected to
tion and operation.
unusually hard blows.
It is a further object ‘of the invention to provide a
It has also been found that the gauges, or gauge mem
device of this character that is relatively inexpensive to
bers, of the present device wear at ‘a very slow rate due
manufacture.
to the elasticity of the springs, which allow the handle to
The characteristics and advantages of the invention are
over-travel when a gauge has been fully turned into a
further suf?ciently referred to in connection with the fol
tapped bore or otherwise held against rotation. As stated
lowing detailed description of the ‘accompanying draw
ings, which represent one embodiment. After considering 45 above, it has been found that the life of small carbide
gauges has been increased as much as thirty times over
this example, skilled persons will understand that varia
the life of other types of gauge devices of which I am
tions may be made without departing from the principles
been increased as much as thirty times over the life
of the present gauges of which I am aware.
‘disclosed, and I contemplate the employment of any
aware.
The invention and many of its attendant advantages
will be understood from the foregoing description and it
50 will be apparent that various changes may be made in the
Referring to the drawings, which are for illustrative .
form, ‘construction and arrangement of the parts of the
purposes only:
invention without departing from the ‘spirit and scope
FIG. 1 is a side elevational ‘view of a thread plug gauge
thereof or sacri?cing its material advantages, the embodi
device embodying the present invention, portions being
ment hereinbefore described being merely for the pur
shown in section;
55 pose of illustration.
FIG. 2 is an end View of the device as seen from 2——2
I claim:
of FIG. 1; and
1. A thread plug gauge device, comprising: an elon
FIG. 3 is an end view ‘of the device as viewed at 3--3
gated multisided handle having an axially arranged, in
of FIG. 1.
wardly tapered recess in each end; a plug for each end
Referring more particularly to the drawing, the device 60 of the handle, each plug having a frusto~conical portion
structures, or arrangements or modes of operation that
are properly within the scope of the appended claims.
comprises an elongated handle 16 of any desired cross
sectional shape. As shown, the handle is hexagonal in
cross section. Each end of the handle is provided with
an inwardly tapering socket 12 in which a correspond
shaped to correspond to the recesses of the handle ends
and secured in a respective recess, and a cylindrical por
tion extending outwardly ‘of the handle; an elastic spiral
spring for each end of the device, each spring having an
ingly tapered end 14 of a plug, indicated generally at 16, 65 inner end portion disposed on the cylindrical portion of
is disposed and secured as by solder or other suitable
its respective plug and secured thereto; and a gauge ele
ment for each spring, each gauge element having a cylin
means.
drical portion disposed in an outer free end portion of
Each of the plugs 16 has a cylindrical end portion 18
its respective spring and secured therein, the gauge ele
which extends outwardly of the adjacent end of the handle,
the parts 14 and 18 of the respective plugs ‘16 being in 70 ments being axially spaced from adjacent plugs, each
gauge element having an externally threaded outwardly
tegral.
extending portion, one gauge element being a “G0” gauge
One end portion of a spiral spring 20 is disposed on
3,064,355
‘
3
and the other being a “NO GO” gauge, the springs hav
outwardly of the handle; an elastic spiral spring having
ing sul?cient elasticity to permit over-travel of the handle
an inner end portion disposed ‘on the cylindrical portion
of said plug and secured thereto; and ‘a gauge element
having a cylindrical portion disposed in an outer free end
portion of said spring and secured therein, the gauge
when a gauge has been fully turned into a tapped bore
and held against rotation.
‘ ‘2. A thread plug ‘gauge device, comprising: an elon
gatedv handlefhaving an axially arranged, inwardly tapered
element being ‘spaced from said plug, the elasticity of
said spring being su?icient to permit over-travel of the
handle when the gauge element is held against rotation.
recess in each end; a plug for each recess, each plug
having a frusto-conical portionshaped to correspond to
the recesses of the handle ends and secured in a respec
5. In a thread plug gauge device: :a handle having a
tive recess, and a cylindrical portion extending outwardly 10
recess in at least one end; a plug ‘secured in said recess
of the handle; a spiral spring for each end of the device,
and having a portion extending outwardly of the handle;
each spring having an inner end portion secured :on the
an elastic spiral spring having ‘one end'secured to the out
cylindrical portion of its respective’ plug; and a gauge
wardly extending portion of said plug; and a gauge ele
element for each spring, each gauge element having a
ment
secured to the outer free end of said spring and
cylindrical portion secured in an outer free end portion 15
of its respective spring, the gauge elements being axially
spaced, from adjacent plugs and each spring having su?i~
spaced vfrom said plug, the elasticity of said spring being
spring being secured to the outwardly extending portion
handle when the gauge element is held’ against rotation.’
sut?eient to permit over-travel of the handle when the
gaugeelernent is held ‘against rotation.
cient elasticity to permit over-travel of the handle when
6. A device of the character described, comprising; a
a gauge. element is held against rotation.
3. In ‘a thread plug gauge device: 1a handle having a 20 handle; an elastic spiral spring for each end of the handle,
each spring having one end secured to ‘a respective end of
recess in eachjend; a plug for each end of the handle,
said
handle in axial relationship; and a gauge element
each plug having a portion shaped to correspond to the
secured to the free end of each spring in spaced relation
recesses. of the ends and secured in a respective recess,
ship to the adjacent end’ of the handle, the elasticity of
and a portion extending- outwardly of the handle; an elastic
said
spring being su?icient to permit ‘over-travel of, the
spiral spring for each end of the device, one end of each 25
of its respective. plug; and a gauge element vfor each
spring, each gauge elementbeing secured to the outer end
References Cited in the ?le of this patent
UNITED STATES PATENTS
of its‘ respective spring in spaced relation to its adjacent
plug, saidsprings having sutlicient elasticity to permit
30
over-travel of the handle when a gauge element is held
against rotation.
4. A thread plug gauge device, comprising: an elon
gated. multisided handle having an axially arranged in
wardly tapered recess in an end; a plug having a frusto 35
conical portion shaped to, correspond to the conical recess
and secured therein, and a cylindrical portion extending
519,354
1,339,573
2,360,058
2,387,814
2,679,778
Sheppard ____; ________ __ May 18, 1894
Pettibone ____________ __ May 11,
Hohwart _____________ __ Oct; 10,
Straw ________________ __ Oct. 30,
Kralft ________________ __ June‘ 1,
1920
1944
1945
1954
FOREIGN PATENTS
588,788
Germany ______________ __ Dec. 1, 1933
Документ
Категория
Без категории
Просмотров
0
Размер файла
318 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа