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Патент USA US2129763

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Sept. 13, 1938.
Filèd April 2, 1938
6% /ì/'f
‘_Paten'tedSe‘pt. 13,193.8 e
Peter F. Hart', Hibbìng, Minn., assigner oi.' twenty
percent to Martin Tellor, Hibbing, Minn.
Application April 2, 193s, serial No. 19ans
3 Claims. .(Cl. 73-151')
This invention relates to an adjusting mecha- .v insure the screw driver blade I2 remaining in a
nism especially designed for use in connection
retarded or inactive position. normally away‘from i '
with the adjusting of gas pressure regulators and
the adjusting elements of the regulator. The
particularly adapted to those known as pressure
dome regulators.
lower end of the spindle 'I has formed therein a. l
_ wrench socket of a shape andsize to ñt the jamb 5
Asis well known, lthe adjustment of such regulators necessitates exceedingly careful manipulation and skill in making the adjustment, and in-
nut 5 on the ordinary dome regulator, and the
upper end of the spindle »"1 is provided with op
posed handles I3 .for rotatlvemanipulation of the
view ‘of which the'present invention is provided Y wrench when upon the nut, or for applying it to
10 for accomplishing same as readily and eñiciently
as possible, and this comprises the principal _
object of theinvention._
tion will appear in the following description
An important feature of this assembly is 'that
‘ ' the spindle 'I is materially less in diameter than
» . Further objects and advantages of the inven15 thereof.
the nut 5..
` "
' -
the interior of the tubular body I so that the -
application of the wrench socket to the nut may
be more conveniently accomplished, in that the l5
, Referring now to the accompanying drawing,
lo'wer end of the spindle may be flopped about'for v
forming part of this application, and wherein
finding the nut, as it may 'be slightly to one side-
like reference characters indicate like parts:
Figure 1~ is a central vertical sectional lview
of the center from time to timev or vary some in
different regulators as the CaSe may be
20 of a gas pressure regulator of the dome type,
shown partially in elevation, andas having one
of the improved adjusting mechanisms applied
thereto, it also being partially broken away forv
a better comprehension of the details thereof and
25 its connection to the manometer.
" Figure 2 is an enlarged end elevation of the
adjusting mechanism.
From the tubular body l there is provided the 20 i
lateral pipe extension Ilvcarrylng the elbow I5
thereupon communicating with a suitable globe,
valve I6 having a discharge connection terminat
ing in the hose nipple I1. Between it and the
valve is installed a T-connection I8 carrying the 25
relief valve or bleeder 2l, this latter being pro- ,
vided to relieve any pressure that might be caused
The device comprises >a relatively short tubular Within the tube I9 _by the Slipping 0f the end
body portion vI having an externally screw of same onto the nipple I'I and/or misadjustment
30 threaded lower extremity which is adapted to be of the regulator which might destroy proper regis- 30 '
screwed into the discharge 2 of the regulator 3, ' tration' in the manomelìel‘ if 1101i relieved lût‘fßl'eA
and beneath which discharge is found installed final adjustment of the regulator occurred.
within such regulator the adjusting screw 4, sur- '
To test and/or adjust a gas pressure regulator
rounded by the lock or jamb nut 5, which two With my imPI‘OVed device abÓVe described. the
35 devices it is well known must _be carefully manip- , device is attached to the regulator as illustrated, 35
ulated to adjust the discharge through the regu- and then a compressed air or gas line is attached
lator, and which ma'nipulation‘usually requires a to the regulator inthe internally screw threaded
considerable length of time, and ordinarily’per- ' inlet opening 22. Since this work is dòneaunder
formed .through the openings as `found in such ordinary circumstances on a bench in the shop,
4°0 regulators.
air is preferable as it is just as efficient' as gas 40
However, ywhen one of the. improved instru-
for the purpose and much less dangerous to the
mentalities isv installed, this operation becomes
quite‘simple as would appear in the following
workmen. The air will then pass through the
regulator and through the improved adjusting
description thereof.
mechanism to the manometenwhich will'indicate
The upper end I‘of the tubular body portion I ’ the pressure of the air which the regulator per- 45
4is provided with a suitable stuiilng gland, not
shown, but the nut` of which appears at 6, so that
atight ilt` may at all times be assured about the
hollow spindle." which is installed concentrlcally
50 within the body portion I. This spindle 'I1 also
carries axially thereof thefscrew driver rod 8, _and
mits to pass therethrough, and it too high or too
low, by manipulating 4the Screw, driver Il t0
adjust thescrew 4, the pressure may be regulated
lto the desired amount as indicated by the ma
nometer, when the jamb nut 5 may be tightened 50 »
by operation of the wrench socketon the lower
the spindle 1 also has a suitable stuñlng gland at
end of the hollow spindle .1: Then the adjusting
the upper end thereof, _regulated by the nut 9,
mechanism may be removed from the regulator
between which andthe ’lower end of the handle
and the latter placed back into service.A `
55 I0 is installed an expensive helical spring `II to
l The manometer _is illustrated at 20 and itis A|55
obvious that some other form ofçgage may be
application to the discharge of the regulator;
employed without departing from the spirit of the ' means within said body portion i'or adjusting the
sure indicating gage, and a connection from said
discharge of the regulator, a tubular wrench
3. In a device for adjusting gas regulators hav-’
member within said bodyY portion for applica
10 tion tothe jamb nut in the'reguiator, and a
l screw driver mounted axially of said wrench
member, a manometer, and a» controlled pipe
connection from said body portion to said ma
nometer whereby pressure of ñuid passing
15 through said regulator will be indicated upon said
manometer when adjustment of the regulator is
2. In a device for adjusting gas regulators hav
adjusting screw and turning the lock nut, a pres
Having thus described myv invention, lwhat I
claim and desire to secure by Letters Patent, is:
1. In a device for adjusting gas regulators,-a
main tubular body portion for application to the
~ing pressure adjusting screws and lock nuts
therein, comprising a tubular body portion for
tubular body portion to said gage whereby the
pressure of fluid passing through said regulator
will be indicated upon said gage.
ing pressure» adjusting screws and lock- nuts
therein, comprising a body portion for applica“ 10
tion‘to the discharge of the regulator, means
within said body portion for adjusting the ad
justing screw and turning the lock nut, a pres
sure indicating gage,~ and a connection from said
body portion to said gage whereby the pressure
of iluld passing through said regulator will be in
dicated upon said gage, and means for relieving
the pressure within said connection.
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