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Патент USA US3029529

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April 17, 1962
Filed March 9, 1959
2 Sheets-Sheet 1
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By W
tes Patent
Patented Apr; 17, 1962
The apparatus includes a carriage 15 supported in guides
Henry W. Schaufelhergcr, Union, Ni, assignor to West
ern Electric @ompany, incorporated, New ‘ilorit, N37,,
a corporation of New York
Fiied Mare 9, 1959, Ser. No. 798,032
5 Ciaims. (62. 33-480)
16 for movement between a loading position, shown in
broken lines, against a stop 17 (FIG. 1) and a gaging
position, shown in solid lines, against a stop 18, FIG. 2.
The title “loading position” is descriptive of the position
of the carriage 15 when an article or armature lit is to
be loaded thereon, after one which has been gaged is
removed. The title “gaging position” is descriptive of the
This invention relates to apparatus for gaging articles
position of the carriage 15 when the article or armature
particularly the distances of portions of conductive resili 10 is to be gaged. The carriage is provided with a‘ nest 19
ent members from their supporting articles.
and a locating member 29 to receive the article and
In the manufacture of numerous electical units, the in
locate it at a known position and in a given plane on the
ner working parts must be gaged to determine their e?ici
carriage. Actually the article rests on an upper surface
ency when in operation. An example is an armature of
- 19%} of the carriage on which the nest 19 and the locating
a relay which is supported by resilient legs, of a U-shaped 15 member 2i? are mounted. The U-shaped article 10 strad
spring member, which must be predetermined distances
dles the nests and engages side surfaces 192 and 194» and an
from their respective portions of the armature to function
end surface 1% to be engaged respectively by the legs
most ef?ciently.
192 and 1M and the central portion 103, when assisted
An object of the invention is an apparatus for readily
by the locating member 2d to locate and maintain the
and ef?ciently gaging such articles or resilient members 20 article in a known position on the carriage. A terminal
22 mounted on the carriage 15 has one end of an insulated
In accordance with the object, the invention comprises
conductor 23 secured thereto. The conductor 23, particu
a carriage, including a nest for the article, movable be
larly the end connected to the terminal 22 ‘and electrical
tween a loading position and a gaging position and con
ly including the carriage 15, constitutes one end of a norm
nected to an electrical circuit for a signalling device so 25 ally open circuit. The conductor 23 extends rearwardly
that a contact in the circuit will be engaged to energize the
about grooved rollers 25, 26, and 27, and around stationary
device when the resilient member is located at a desired
distance from its article.
More speci?cally, the contact is supported by a dielec
tric member under the control of a micrometer unit,
which may be set at a gaging position and moved rela
tive thereto in reverse directions toward and away from
posts 28 and 29 to a terminal 34} where it is secured to a
source of electrical energy such as a battery 31. The
grooved roller 25 is disposed at a ?xed position to align
the conductor 23 with its terminal 22 whereas the grooved
rollers 26 and 27 are mounted on opposing ends of a
rocking arm 32 which is rotatably mounted at 33 and
the article to close the circuit, if the portion being gaged
normally urged counterclockwise by a spring 34. Another
is too close to the article or to open the circuit if the
terminal 36 of the battery 31 has insulated conductors 37
portion being gaged is too far from the article. If de 35 and 33 leading to signalling units or lamps 39 and 40.
sired, the apparatus may be adjusted to set the‘ contacts
The lamps 39 and 4d are mounted in a panel 41 so that
at one or the other limit and operate the apparatus ac
they may be viewed by the operator. Insulated conductors
cordingly. Also, particular means controlling the posi
42 and 43 leading from the lamps 39 and 40 extend for
tions of one of the wires of the circuit and maintaining it
wardly in apertures 44 of a frame (#5 which is mounted on
taut prevents disturbance to the wire during movement of
a base 46. Openings 47 in the frame 45 receive some
the carriage between its loading and gaging positions.
what coiled portions of the adjacent ends of the insulated
Other objects and advantages will be apparent from the
conductors 42 and 43 which are connected electrically to
following detailed description when considered in con
terminals 43, only one of which is shown. The terminals
junction with the accompanying drawings wherein:
48 are secured at 49 to dielectric supports 59 which are
FIG. 1 is a top plan view of the apparatus, portions
thereof being broken away;
FIG. 2 is a fragmentary vertical sectional View taken
held for vertical movement only by guide pins 51. The
along the line 2-2 of FIG. 1; and
53 disposed concentric with the pins 51 normally urge the
dielectric members 5% upwardly. A contact 54 supported
FIG. 3 is a vertical sectional view of the apparatus.
In the present instance, the article being gaged is an
assembly of an armature it} for a relay and a spring 11
secured thereon, the article being substantially U-shaped
guide pins 51 are ?xedly mounted on the frame 45 and
enter aperatures 52. of the dielectric members 50. Springs
by each dielectric member 50 is secured to the terminal
48 in each instance. Each terminal extends in somewhat
of a Zig-zag path from its connection with its conductor
42—-43 until it is connected electrically to its contact 54.
Each dielectric member 50 with its contact 54 is pro
vided with a measuring unit or micrometer 57 having the
conventional rotatable outer portions 53, central or inter
in general contour and the resilient spring or conductive
member 11 being U-shaped in general contour and having
the feet 12 of the parallel legs 14 ?xed to the legs of the
armature lit. The armature 10 is ?at, of a given thickness
shown at it] in FIG. 2 and of the U-shaped contour shown
mediate portions 59 and inner movable portions 60. The
in FIG. 1. This contour may be traced from a dotted
line representing an end idi of a leg N2 of the armature,
brackets ‘52 which are mounted at 63 on the frame 45.
continuing for the full length of the leg ldZ to a central 60
portion 103, across the central portion to the other leg
104, which is parallel with the leg 192, and then moving
intermediate portions are mounted in‘ apertures 61 of
Before the apparatus is ready for operation, the microm
eters are set to locate their contacts 51‘. ‘at known positions
along the leg 1% to the end 165 (not shown in FIG. 1,
which are the predetermined positions for the portions of
but shown in FIG. 2) which is in alignment with the end 65 the resilient members or legs 14 from the article 10.
101. The feet 12. of the resilient member 11 are secured
When this has been accomplished, it is known that, when
by rivets 129 (only one being shown) to the legs 162 and
the article is placed in the nest of the carriage while the
104 of the armature it) short of the ends 1G1 and 105
carriage is in the loading position and moved to the gaging
there-of. If the armature it} is to function most e?iciently
position, the article will be located in a plane a known
when mounted in its relay, the leg portions 14 must be 70 distance beneath the contacts 54. In most instances, the
located a predetermined distance from the adjacent legs
portions of the resilient members being gaged will be ’
of the armature, as shown in FIG. 2.
satisfactorily located within given limits of preferred lo~
cations. With the contacts 54 located to be engaged by
the portions of the resilient member, if in their preferred
locations, the two circuit for the two lamps 39 and 49
will be closed upon movement of the carriage into the
gaging position. If both lamps are energized upon move
ment of the carriage into gaging position, the operator may
adjust the micrometers 57 individually or simultaneously
until their respective signalling units are de-energized, that
is until their respective contacts 54 move out of electrical
contact with the portions they are gaging. As soon as this
occurs in each instance, the micrometer for each contact
the gaging position and movable toward and away from
the resilient member, a supporting bracket ?xedly
mounted adjacent the dielectric support, and a microm
eter having outer, intermediate and inner portions dis
posed in alignment with the dielectric member with the
intermediate portion secured to the bracket a known
distance from the dielectric support so that the contact
may be set at a predetermined gaging location to gage
the portion of the resilient member and may also cause
movement of the contact toward and away from the
gaging location to respectively close and open the circuit
and indicate the distance the portion of the resilient mem
her is away from the predetermined location.
3. An apparatus for gaging according to claim 1 in
tions are known to be approved. However, if they should 15 which the portion of the circuit extending to and elec
trically connected to the carriage is an insulated conduc
be beyond the preferred limit, the portions may be ad
tor, a rotatable arm, a pivot for rotatably supporting the
justed, by suitable tools such as long nose pliers, in the
arm mounted at a ?xed position spaced from the carriage,
apparatus until the portions are brought within the de
guides on the arm for the insulated conductor leading
sired limits.
from the carriage, and means urging rotation of the arm
If the signalling units should not be energized after
during movement of the carriage to hold the conductor
movement of the article with the carriage into the gaging
position, the micrometers may be actuated to move the
4. An apparatus for gaging according to claim 1 in
contacts 54 downwardly until the circuits for the signal
which the portion of the circuit extending to and elec
ling units are closed, at which time the micrometers will
indicate whether or not the locations of the portions being 25 trically connected to the carriage is an insulated conduc
tor secured at one portion spaced from the carriage and
gaged are within the desired limits. If either portion
should be beyond the desired limits, that is, closer to the
having su?‘icient slack therein for movement of the car
riage to the loading position, an elongate arm, grooved
article than desired, it is known what distance the member
should be moved away from the article to place it in the
rollers for the conductor mounted adjacent ends of the
preferred location. This may be done after movement of
arm, a ?xed position rotatable support for the arm dis
the contact away from the member and then moving the
posed intermediate the ends thereof, and resilient means
contact back for a further gaging operation after the ad
operatively connected to the arm permitting rotation of
justment has been made. During all of the movements of
the arm in one direction during movement of the carriage
the carriage between its loading and gaging positions, the
to the loading position and causing rotation of the arm
insulated conductor 23 is held taut while the spring ac 35 in the opposite direction during movement of the carriage
tuated arm 32 with the grooved rollers 26 and 27 remove
to the gaging position to maintain the conductor taut.
any slack in the conductor.
5. An apparatus for gaging the distance of spaced por
It is to be understood that the above described arrange
tions of a conductive resilient member from its support
ments are simply illustrative of the application of the
ing conductive article comprising a carriage having a nest
principles of the invention. Numerous other arrange
for the article, means to support the carriage for move
ments may be readily devised by those skilled in the art
ment between a loading position where the article is
which will embody the principles of the invention and
placed in the nest and a gaging position where the por
fall within the spirit and scope thereof.
tions of the resilient member are to be gaged, normally
What is claimed is:
open circuits supplied with electrical energy and includ
1. An apparatus for gaging the distance of a portion 45 ing in each a signalling unit energizable when its circuit
of a conductive resilient member from its supporting con
is closed, one open end of each circuit being electrically
ductive article comprising a carriage having a nest for the
connected to the carriage to include therein the article
article, means to support the carriage for movement be
and the portions of the resilient member, and contacts
tween a loading position where the article is placed in the
connected to the other open ends of their circuits and
nest and a gaging position where the portion of the re 50 mounted at given positions relative to the carriage in the
silient member is to be gaged, a normally open circuit
gaging position to cause closing of their circuits and ener
supplied with electrical energy and including a signalling
gization of their signalling units if the portions of the
unit energizable when the circuit is closed, one open end
resilient member are given distances from the article.
of the circuit being electrically connected to the carriage
6. An apparatus for gaging according to claim 5 in
to include therein the article and the resilient member, 55 which a measuring means is independently actuable for
and a contact connected to the other open end of the cir
each contact to measure the distance its respective portion
cuit and mounted at a given position relative to the car
of the member varies from the given distance.
riage in the gaging position to cause closing of the circuit
if the portion of the resilient member is a given distance
References Cited in the ?le of this patent
from the article.
2. An apparatus for gaging according to claim 1 in
Byrd _________________ __ May 6, 1958
which a dielectric support for the contact is disposed in
indicates the distance its respective spring portion is away
from the article beyond the preferred location. ‘If this
distance is within the predetermined limit, the resilient por
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