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Патент USA US3076175

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Jan. 29, 1963
J. A. NODGE ETAL';
3,076,163
HINGE PIN WITH ELECTRICAL CONNECTOR
Filed Aug. 13, 1959
2 Sheets-Sheet 1
I20
‘
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|2b
l2c
INVENTORS
Joseph A.Nodge
BY Joseph H. Hopkins
Their Affo'rney
Jan. 29, 1963
J. A. NODGE ETAL
3,076,163
HINGE FIN WITH ELECTRICAL CONNECTOR
Filed Aug. 13, 1959
2 Sheets-Sheet 2
INVENTORS
Joseph A. Nodge
By Joseph H. Hopkins
Their Attorney
weJnited t'tes Fact
3,076 153
a
Patented Jan. 29, 195
1
2
line 6-6 for sectioning which shifts centrally o?t‘ center
.3,d’76,'l63
HENGE ll’llN Wl'Tll 'ELEQTRECAL CQNNECTGR
Ioseph A. Nudge and Joseph H. Hopkins, Warren, Ghio,
assignors to General Motors Corporation, Detroit,
Mich, a corporation of Delaware
.FiledAug. 13, 1959, Ser. No. 833,419
2 Claims. (Cl. 3539-4)
as shown in FIG. 4.
Quite often electrical devices are mounted relative to
a cover member or door pivotally carried or supported
5 by hinge structure relative to another member. For ex
ample, on motor vehicles there are electrical devices such
as power actuated window lifts utilizing a small electric
motor supplied with electric energy by means of con
.nectors and conductors. The conductors must be avail—
This invention relates to electrical connectors, and par
ticularly to connector housing means adapted to be used 10
able inside the doors in spite of any hinged relationship
with hinges on motor vehicles as well as on domestic ap
the doors or covers have relative to other members or
pliances such as refrigerators, washers, and ranges.
cabinet structure. Similarly, for example, a door or cover
An object or” this invention is to provide a new and im
of a refrigerator or deepfreeze cabinet can be provided
proved electrical connector means for use between mem
bers adapted to be hinged or pivotable relative to each 15 ‘with electric devices such as illuminators or butter con
ditioning means requiring supply of electric energy
other.
through conductors that must pass from one member or
Another object of this invention is to provide a con
portion of a structure or cabinet over to the inside of a
nector housing means adapted to be ?tted into engagement
door or cover. in addition to supplying electric energiza
and to insulate conductors and/or electrical terminals
relative to a hollow pintle of a hinge means.
Another object of this invention is to provide sleeve
means having a body portion of insulating material pro
tion for a butter compartment, these conductors can
20 provide for electric service relative to door seal warmers
and the like.
to an outer surface adjacent to a cover or door. Further
therein and including an integral pair of extensions or
pin portions projecting parallel to each other and adapted
‘to ?t into a hollow pintle to maintain wire means there
between in protected and insulated condition relative to
the pintle while maintaining spacing of the body portion
Due to appearance requirements, it is
necessary to eliminate presence of a ?exible cord attached
vided with longitudinally extending chamber portions
25
more, it is necessary that the connector device be com
pact and permit quick assembly and disassembly of elec
trical connections for service work and removal of the
doors when necessary.
FIG. 1 illustrates environment in which hinge-pin con
nector means, in accordance with the present invention,
away from the pintle to one side of a hinge structure.
A further object of this invention is to provide an 30
are particularly useful.
improvement in electrical connector means which includes
a body portion of insulating material adapted to main
tain electrical terminal means secured to conductors in
Cover or door means generally
indicated by numeral ltl are pivotally mounted relative
to a second member or stationary means generally indi
_' predetermined spaced relation relaive to hinge means
cate-d by numeral l2. For purposes of illustration, the
Another ob'ect of this invention is to provide for pre
assembly of a hinge structure for a cover member having
a sleeve provided adjacent to an edge thereof such that
a hollow hinge-pin can be provided relative thereto having
an inner surface engaged by an insulating means wedged
into engagement relative to the surface and adapted to
assure predetermined longitudinal spacing of a connector
120. These upper, middle and lower portions can form
a refrigerator cabinet, for example, relative to which
having a hollow pintle in a. location such as on a vehicle 35 second member is shown in fragments to include an upper
portion 12a, a middle portion 12b, and a lower portion
‘door and/or appliance such as a refrigerator door.
hinge means are attached in a suitable manner. The hinge
means includes an L-shaped upper and lower ?xed hinge
portions 14a and 140 respectively. A central or interme
diate hinge assembly includes a hinge portion 34!) attached
along one leg to the intermediate portion 12b of the cabi
net and providing a leg projecting intermediate to an
including an insulating body with plural passages ?tted
with electrical terminals attached to conductors that are 45 upper door lili'U and a lower door ML.
The upper door MU has mounted therein an electrical
‘positioned co-axially relative to the insulating means
whereby positioning of both the conductors and connector
is maintained in predetermined relationship to thehol
low hinge-pin.
device generally indicated by numeral 16 relative to which
a pair of conductors 16a and lab are provided for supply
of electric energy. The electric device 16 can include a
resistance or heater element energizable to maintain pre
determined temperature of a spread such as butter stor
able therein. It is to be understood that the electrical
device 16 could also be an electric motor for actuation of
Further objects and advantages of the present invention
will be apparent from the following description, reference
being had to the accompanying drawings wherein pre
ferred embodiments of thepresent invention. are clearly
power windows on a motor vehicle door. The conductors
shown.
In the drawings:
55 16a and 16b each have a covering of insulating material
thereon and are adapted to extend through the doors or
FIG. 1 is an environmental fragmentary elevational
'view of hinge-pin and connector structure in accordance
‘ with the presentinvention.
FIGURE 2 is a partially sectioned elevational view' of
a hinge-pin and connector structure in accordance with
the present invention and FIG. 2a shows an isometric
view of one of two identical connector bodies used in
FIG. 2 in accordance with the present invention.
cover members as well as into the cabinet or ?xed sec
ondary member including relatively stationary structure
such as the lower portion 120 into which ends 16a of the
conductors protrude. The upper door or cover member
il?U is movably mounted relative to the upper hinge por
tion 14a and intermediate hinge portion 14b. Similarly,
the lower door or cover member 10L is movably mounted
relative to the intermediate hinge portion 14b and lower
FIG. 3 is an isometric view of amodi?ed connector
body and insulating means for use in structure of FIG 65 hinge portion 14c. Adjacent to the hinge portions each
of the doors or cover members is provided with a hollow
URE 1 in accordance with the presentinvention.
sleeve
S that is welded or otherwise suitably attached at
FIG. 4 is an end view taken in a direction looking
one end to a periphery of a passage in the door or cover
toward gripping means of the connector body and insulat
member relative to which a hinge-pin or hollow pintle
i ing means of FIG. 3.
means
projects. The upper hinge portion 14a carries a
FIG. 5 is a cross~sectional elevational view taken along
?xed pin 14p that is solid and engageable relative to an
line 5-5 in FIG. 4.
_
inner surface of the hollow sleeve carried therefor on the
‘FIG. 6 is a cross-sectional elevational view taken along
upper cover member, Hill. The lower hinge member l‘ic
aoveaee
‘at,
a r,
_
alignment of the conductors, grommet, neck portion, and
and the intermediate hinge member 1415 have hollow hinge~
pin sleeve portions lids carried thereby in axial alignment
relative to each other and relative to the pin portion lap.
insulating body C is maintained relative to the hollow
pintle or sleeve portion 14s.
It is to be understood that the insulating body C has
a pair of parallel chamber portions extending longitudi
nally therethrough and adapted to receive the female
terminals F in tight engagement therein. The female
Thus the upper and lower door members can pivot about
the same axis defined by the sleeves S, pin portion 14p,
and sleeve portions Ill-ls. Suitable washers or nylon bear
ings can be provided between cover members and laterally
terminals F include a ferrule portion adapted to be
crimped or swaged into electrical engagement with a bare
Me though these are not shown separately adjacent to
end of wire or strands of wire within the insulated con
and/ or in addition ot outward ?ared ends of each sleeve 10 ductors 16a and Mb. The female terminals F also in
S for purposes of clarity as apparent in the partial section
clude a socket portion substantially C-shaped in cross
of FIGURE 2. Connector means generally indicated by
section and engageable by projecting prong ends of the
protruding projections of hinge portions Ma, 14b, and
numeral 18 are shown titted in predetermined locations
relative to hollow sleeve portions this in FIG. 1. Further
male terminal M engageable longitudinally and axially
details of connector means such as 38 in accordance with 15
the present invention are shown in FIGS. 2—-6.
In i 16. 2 there is shown a fragmentary and partially
cross-sectioned elevational view of one embodiment of
hinge-pin connector structure provided relative to an
intermediate hinge portion and including components in
accordance with the present invention. The hollow pintle
therewith. The male terminals M also include a ferrule
portion crimped or swaged into engagement with wires
of the conductors. The male terminals ll’ ?t into cham
ber portions 3 and K located on a side of a central wall
W that separates the female terminal chamber portions
20 from the male chamber portions J and K of the connector
or sleeve portion 145 provided on a lateral projection or
leg of the intermediate hinge portion 14b is visible in
body C. The conductors lea and lab, adjacent to the
male terminals M, are provided with a molded on grom
met means G-ll similar in size and shape to the insulating
means or grommet G but located outside the conductor
PEG. 2 as is the sleeve S carried by the upper cover mem
body C adjacent to one end thereof. The grommet G4
ber WU as well as by lower cover member or door 10L. 25
Insulated conductors 16a and 1619 are visible in FIG. 2
and have provided thereon a grommet G. In the embodi
ment of FIG. 2, this grommet G in combination with a
is adapted to hold the conductors and male terminals M
in parallel relation to each other to facilitate insertion
of the prong ends of the male terminals relative to the
socket portions or‘ the female terminals F. Further the
cylindrical body of insulating material C forms a hinge
grommet means G-l provides a convenient handle or
pin connector assembly whereby a pair of male terminals 30 gripping
means whereby ?ngers or a pair of plyers can
M and a pair of female terminals F can be electrically
engage the conductors 16a and 16b simultaneously to
engaged and connected relative to each other immediately
effect longitudinal movement of the male terminals M
adjacent to sleeve portion 14s at a location adjacent to an
until the gripping means 6-1 in an intermediate portion
end of sleeve S remote from the connection of the sleeve
B butts against an axially extending lug or longitudinal
to a door member or cover. 'Ihe cylindrical body of in
wall L extending in between the male cavities or chamber
sulating material C includes a neck portion N having an
portions 3 and K. It is to be understood that insulating
outer diameter equal to or slightly less than an inner
means or a grommet such as G can be provided inside
diameter of a surface 3141i immediately adjacent to the
the sleeve portion lids relative to only the upper cover
free end of the sleeve portion lids. The grommet G has a
member itlU or relative to both the upper and lower
peripheral outer surface or contour with a diameter
slightly greater than the inner diameter of the sleeve por
tion ll/(ls such that conductors 16a and 16b, onto which
the grommet is molded, can be pulled through a central
passage 1’ while the grommet becomes wedged into en
gagement with the inner peripheral surface of the sleeve
doors or cover members ltlU and 10L. in the partially
sectioned view of PEG. 2, only the insulating means or
grommet G for the upper door or cover member lttlU is
shown.
In PEG. 3 there is shown a different species of hinge
pin connector 18 for which body portion llhc in‘ accord
ance with the present invention has integral, longitudinally
extending gripping means 18g of insulating material.
the inner surface of the sleeve portion and also maintains I
These gripping means 18g have semi~arcuate outer pe
positioning of the conductors 16a and 16b in a location
ripheral surfaces and are spaced from each other by a
coaxially relative to the sleeve portion 14s and also the 50 longitudinal slot 18s. These gripping means 133 have
cylindrical body C. The grommet G is an insulating
free ends remote from the body portion lac of insulating
means whereby positioning of both the conductors and
material and have integral ends relative to the body por
connector body C is maintained in predetermined relation
tion 180 at a location adjacent to an annular abutment
ship to the hollow hinge-pin or sleeve portion 14s. The
18a adapted to engage a free end of sleeve portion or
insulating means or grommet G is molded relative to the 55 hollow pintle 14s at a location immediately adjacent to
conductors ‘lot; and lab at a location substantially adjacent
the peripheral inner end portion or surface lid/n. The rela
to the neck portion N that snugly ?ts the conductors be
tionship of the abutment 13a relative to the hollow pintle
portion 14s. The grommet G, when pulled to a position
inside sleeve portion lids, is sealingly in engagement with
cause this neck portion N has been formed to be con
stricted radially inwardly into engagement with the con
ductors 16a and lltib so that the body C cannot be pulled
longitudinally along the conductors 16a and 16b relative
.to the grommet or insulating means G.
In forming a
or sleeve portion 14s and gripping means 14g can be
seen in FIG. 5. it is to be understood that conductors
16a and 16b pass longitudinally and substantially axially
through the body portion 130 such that the integral grip
preassembly of the hinge structure including intermediate
portion 14b, for example, the conductors 16a and 16b
ping means, pair of extensions, or pin portions 18g are
are pulled through the passage B until an'abutment A at
one end of the body C adjacent to the neck portion N
strikes against the free end of the sleeve 14s. Thus the
The gripping means or integral extension pin portions
lliig are wedged longitudinally into engagement with an
inner surface of the hollow pintle or sleeve portion 145g
on opposite sides relative to the pair of conductors tea
and 16b.
neck portion N, in conjunction with the insulating means
' such that lateral movement of the body portion lhc‘is
substantially prevented from occurring relative to the axis
or grommet 6, provides a double seal of the end of the
sleeve portion 14s and the conductors 15a and 16b hold 70 of the conductors 16a and 16b through the hollow pintle.
' As is shown in FIG. 5, the connector-‘means includes
the body C and grommet G in axial spaced relation to
male terminals 18m having a prong portion 13p plugged
each other such that the body C is ?rmly mounted into
into a socket portion of female terminals 18f. Both the
position relative to an end of the sleeve’ 14s. The neck
male and femal terminals are provided with ferrule por
portion N is concentrically located in assembled relation
relative to the inner peripheral surface 14a and axial 75 trons adapted to be swaged and/0r crimped into engage
5
‘3,076,163
ment with wire of conductors 15a and 16b. Electrical
engagement of the male and female ‘terminals occurs
inside the body portion 13c which is always maitained in
a position longitudinally to one side of the end of the
hollow pintle or sleeve ‘portion 14s through the outer
"semi-arcuate surfaces of the gripping means or integral
extensions 18g are in engagement with the inner periph
eral surface of the pintle or sleeve portion 14s including
the end periphery 1411.
The male terminals 18m are
6
'sulation is provided for the male and female terminals
while the body portion of the connector is installed adja
cent to an end of the sleeve portion or hollow pintle
rather than inside of it with predetermined longitudinal
spacing thereof being maintained by wedging engagement
of gripping means or a grommet relative to an inner
periphery of the hollow pintle or sleeve portion 14s.
The compactness of the connector device in accord
ance with the present invention permits two conductive
?tted into male terminal chamber portions 18;‘ and 18k
‘adjacent to an end of the body portion 18c remote from 10 connections between male and female terminals within
an insulating body relative to hollow hinge-pins and pro
the integral extensions or projecting pin portions 18g.
vides for preassembly of doors or covers with inside deco
Since the outer peripheral semi-annular surfaces of ‘the
rative panels in place relative to the doors or panels.
gripping means or extensions 18g ?t snugly relative to the
Furthermore, removal of the decorative panels provides
inner peripheral surface of the hollow pintle or sleeve por
access to separable male and female terminals so that‘a
tion 14s, the abutting portion 18a provides an annular
seal relative to an end of the hollow pintle or sleeve por
door can be disassembled from a cabinet whenever there
are ?tted into the hollow interior or main chamber por
a cover member or door relative to its mounting. Posi
is need for replacement of a sealing strip around the
tion Ms maintained in engagement relative to each other
periphery of the door, for example. The male prong por
due to wedging of the extensions or gripping means 18g
into engagement with the inner peripheral surface of the 20 tions of the male terminals are con?ned within the insu
lating body together with the female terminals and there
pintle. To facilitate understanding of the structure of
fore there is never any danger that the male terminals do
the hinge pin connector, no conductors such as 14 and
not make proper contact with the female terminals. The
1411 are illustrated in the views of FIGS. 3 and 4. Ter
electrical connection for supplying power to devices such
minal means and conductors are shown in FIG. 5 but only
as a door seal warmer or butter compartment or actua
‘a fragment of one conductor 16a is shown in FIG. 6 lo~
25
tors for electric window lifts is completely hidden from
cated intermediate the guide means or integral extensions
the outside, thus enhancing the appearance and utility of
18g of the insulating body 18c. The female terminals
tive engagement of abutting portions such as 13a and A
divider wall 18d that also separates the male chamber 30 relative to an end of the hollow pintle or sleeve portions
ills assures that the connector housing means cannot be
portions itij and 18k from each other. A transverse wall
pulled downwardly or through the hollow interior of the
portion 18w separates male and female chamber portions
pintle in one direction but yet can be removed from the
longitudinally from each other. A suitable passage or
hollow pintle when necessary to permit access to the
opening extends through wall portion 18w for intercon
male and female terminals and/or conductors 16a and
necting pairs of chamber portions adapted to receive male
and female terminals respectively.
16b. The gripping means or projections integral with
the connector body 180 can be wedged into engagement
For the embodiments of the present invention illus
with the hollow interior of the pintle in one direction and
trated in FIGS. 2, 3, 4, 5 and 6, itis to be understood
can be disassembled in an opposite direction. These pro
that either grommet G or the gripping means 18g extend
tions 18h and l?i separated by a longitudinally extending
ing integrally from the body portion the are wedged into
engagement with an inner periphery of a hollow pintle
such that male and female terminal means electrically
jections or pin portions integral with the insulating body
13c have su?icient resilience for establishing wedging
engagement relative to the inner periphery of the hollow
pintle to permit attachment and removal of the insulating
housing connector body relative to the pintle without
ever having the connector body 18c located radially in
pletely outside the hollow pintle relative to which the
hinge-pin connector including the body portions C or 45 side the hollow pintle. It is apparent that a sealing
against passage of dust and foreign material'is accom
18c are rigidly connected. The male and female termi
plished by engagement of the abutting portion 18a or
nals are always longitudinally spaced to one side of the
abutment A relative to a periphery of an end of the hol~
hollow pintle which is made of conducting material such
low pintle remote from the intermediate hinge portion
as metal extruded, cast, or drilled to have a central pas~
or hinge portion relative to which the doors are pivotable
sage through which the conductors 16a and 161) can pass
and movable into open and closed positions. The hollow
and relative to an inner periphery of which the grommet
pintle or sleeve portion Ms, as well as projecting pin 14p
G or integral gripping means li‘ig are wedged. The
remain ?ned and stationary relative to the cabinet and/ or
hollow pintle or sleeve portions MS can have substantially
respective ?xed hinge portions such that the doors are
the same outer diameter as the body portions C or 180
pivotable and movable relative thereto about a common
and these body portions are made of insulating material
axis.
providing adequate protection relative to the male and
It is to be understood that the embodiment of FIGURE
female terminal junctures such that a short circuit be
2 di?ers vfrom that of FIGURE 1 in that in conjunction
tween the male and female terminals relative to the hol
with the central hinge there are two cylindrical bodies C
low pintle cannot occur even though the pintle is utilized
and engaged for maintaining longitudinal spacing of the 60 each having a neck portion N in place of gripping means
connected relative to each other can be assembled and
disassembled relative to each other at a location com
ing of the connector body portions C and We to one side
or extensions 18g best seen in FIG. 3 and swaged into
engagement with conductors and adapted to be adjacent
of the hollow pintle is particularly important for estab
lishing connections through hinges on appliances where
to an abutment or shoulder A rather than one body or
connector means 13. The bodies or connector means C
insulating body relative to the pintle. Longitudinal spac
there is danger of an electrical short circuit due to appli 65 of FIG. 2 are identical with each other and engagement
of the two abutments A of the connector means assures
cation of 110 volts or 220 volts through conductors such
limitation of movement in opposite directions that is,
as 16a and lldb. Previously, Underwriters Laboratories
against upward movement as well as downward move
Would ?nd fault because of the danger of electrical short
ment relative to sleeves S associated with the central
circuits when male and female terminals such as 18m
hinge. It is further to be understood that the grommets
and 18]‘ are not longitudinally spaced but rather are con~
G and (3-1 are provided relative to both the top and
centrically located inside the hollow pintle or sleeve por
bottom bodies C in conjunction with the conductors such
tion 14s per se. The insulating bodies C and lids are
that a substantially symmetrical arrangement exists rela
substantially larger in diameter than the inner periphery
of the hollow pintle or sleeve portion and adequate in
tive to the central hinge portion 14b including sleeves S.
75 Fragmentary sections of diiferent portions of the view of
3,076,163
7.
the embodiment of FIG. 2 are shown so as to facilitate
understanding of internal and external components of
structure in accordance with the present invention relative
to the central hinge portion.
FIG. 2a is an isometric
view of connector body C shown in FIG. 2 and including .
the abutment A as well as the neck portion N.
While the embodiments of the present invention as
electrical conductors therefor and carried by one of the
door members journaled by mating metal hinge portions
such as a sleeve attached to the door member and pro
jection from the compartment-like cabinet means as
well as a hollow pintle provided as an axis juncture be
tween the hinge portions to one of which said pintle re
mains in relatively ?xed relation so as to provide an
annular abutment along one end thereof, the improve
ment which comprises an electrical connector unitary
10 terminal housing means per se including a longitudinally
What is claimed is as follows:
, coextensive body portion exclusively of insulating mate
1. On an appliance cabinet means having upper and
rial having a pair of passages substantially axially there
lower door members pivotally attached thereto for move
through each as de?ned by a pair of axially spaced cham
ment in a common axis and for compartment-like access
ber portions into which a pair of mating electrical ter
thereto including an electrical device having at least one
15 minal means in each passage is adapted to be received
herein disclosed, constitute preferred forms, it is to be
understood that other forms can be adopted.
insulated electrical conductor therefor and carried by
one of the door members journaled by mating metal
for forming a separable juncture along each or said pair
of conductors at a location in proximity to said hinge
portions though located positively to one side thereof
member and a projection from the compartment-like
due to engagement of one end of said body portion
cabinet means as well as a hollow pintle provided as an
against the abutment, said unitary terminal housing means
axis juncture between the hinge portions to one of which 20 per se further having at least one longitudinal extension
hinge portions such as a sleeve attached to the door
said pintle remains in relatively ?xed relation so as to
provide an annular abutment along one end thereof,
the improvement which comprises an electrical connector
unitary terminal housing means per se including a longi
tudinally coextensive body portion exclusively of insulat
means thereof at reduced cross-sectional width for less
' than that of said body portion yet of the same coextensive
insulating material projecting integrally as well as longi
25 tudinally on one end of said body portion and spaced
ing material having at least one passage substantially
axially therethrough as de?ned by a pair of axially spaced
chamber portions into which a pair of mating electrical
laterally inwardly therefrom to wedge the pair of insu
lated conductors therewith as said longitudinal extension
means snugly engages in press-?t with an inner periphery
' of said hollow pintle such that each mating terminal
terminal means is adapted to be received for forming
means can be separated yet completely within con?nes
a separable juncture along each conductor at a loca 30 of said coextensive body portion in predetermined insu~>
tion in proximity to said hinge portions, said unitary
lated and spaced relation to said hollow pintle for ex-’
terminal housing means per se further having ‘a pair of
elusive support thereby as positioned with said hinge .7
longitudinal extensions of the same coextensive insulating
portions.
material projecting integrally as well as longitudinally on
one end of said body portion and spaced laterally from 85
References Qited in. the ?le of this patent
each other to wedge the insulated electrical conductor
therebetween as said longitudinally projecting extensions
are in press-?t engagement with an inner periphery of
said hollow pintle such that the mating electrical termi
nal means are separable yet completely within con?nes or" 40
said coextensive body portion in predetermined insulated
and spaced relation to said hollow pintle for exclusive
support thereby as positioned with said hinge portions.
2. On an appliance cabinet means having upper and
lower door members pivotally attached thereto for move 45
ment in a common axis and for compartment-like access
thereto including an electrical device having a pair of
UNITED STATES PATENTS
889,786
1,981,460
2,143,564
2,700,139
2,725,462
2,729,473
2,778,000
2,971,178
2,971,180
Keiner ______________ __ lune 2,
Miller ______________ .._ Nov. 20,
Lybarger et al. _______ __ Fan. 10,
Jewell ______________ __ Ian. 18,
Vorgang ____________ __ Nov. 29,
Warshewsky _________ __ Jan. 3,
Mills _______________ __ Jan. 15,
Reesby ______________ __ Feb. 7,
Colwell _____________ __ Feb. 7,
1908
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