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Патент USA US2119626

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-June 7, 1938.
Filed Dec. 19, 193s»
6 Sheets-Sheet 1
._ Erf .
June 7, 193s.
Filed Dec. 19, 1933
6 Sheets-Sheet 2
ì ÍnvenlorA
`Íune 7, 1938.
Filed'nec.- 19. 1953
@sheets-sheet s
È. QR.
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By I
I. Ár'torneys
Filed Dec. 19, 193s
-e sheets-sheet 4.
June 7, 1938.
-Filed Dec; 19. 1933
sweets-sheet 5
Patented June 7, 1938
w Y
Roy Hollaway, Alta Loma, Calif.
Application December 19, 1933, `Serial No. 703,117
1 claim.
(c1. 177-321)
This invention appertains to new and useful
improvements in direction signals particularly
adapted for use on automobiles.
The principal object of the present invention
bers IU and Il- whereby the screw shaft is always
maintained in proper vertical position, the up
per bearing Il being adjustable downwardly
against the adjacent end of the screw shaft, as
5 is to provide a direction signal for automobiles
including a semaphore whereby the semaphore
clearly shown in YFigure 1.
Slidable within the frame 9 is the elevator '
can be operated to diiierent positions by the simple operation of a manual switch.
Another important object of the invention is to
block I2 from which projects the yoke I3. This
elevator I2 is provided with a vertical threaded
bore I4 through which the screw shaiti 8 ls
threaded and obviously, when the shaft 8 rotates, 10
l0 provide a semaphore type of signal which inV operation will be positive acting and not susceptible
to the development of ready defects.
the elevator block I2 will be raised or lowered.
The block I2 has ears I5 between which an inner
These and various other important objects and
advantages of the invention will become apparent
15 to the reader of the following specification.
link IB of the lazy tong arrangement I'I is piv
otally connected, as at I8, while the complementary inner lazy tong link is pivotally con-i 15
nected at I9 to the upper portion of the frame 9.
-The two outermost link members 20 of the lazy
tong Il are connected, as as 2 l, to the lamp box
22 which is in the form of a lhand semaphore
having front and rear window panes 23 between 20
which a lamp 24 is mounted. The upper forward
In the drawingszFigure 1 represents a vertical sectional view
through the signal casing, showing the semaphore
in side elevation.
Figure 2 represents a vertical sectional View
taken substantially on line 2-2 of Figure 1.
Figure 3 represents a diagrammatic view disclosing the electrical connections between the electrical devices involved.
Figure 4 represents a top plan View. of the roller
contact assembly.
Figure 5 represents a side elevational view of
one of the roller units.
end link 20 has an ear 25 thereon between which
and the closure 6 a link 26 is disposed, so that
when the semaphore hand 22 is thrown outward- ,
ly, the closure 6 will open in advance of the hand. 25
Numeral 21 represents a bridge piece extending
from the top of the frame 9 and supporting the
panels 28-29. These panels constitute separate
Figure 6 represents a fragmentary top plan
contact supports of the elevator switch generally
30 view of the roller carrying yoke or elevator. ,
referred to by numeral 30.
The panels 28-29 30
Figure 7 represents a fragmentary side eleva-
are of insulating material, disposed vertically and
tional View of the elevator shown in Figure 6. `
Figure 8 represents a face elevational view of
horizontally spaced from each other and between
which the roller contact assembly generally re
one of the panels of the elevator switch.
ferred to by numeral 3| is mounted. This as
f Figure 9 represents a face'elevational view of sembly is mounted within the aforementioned 35
the complementary contact panel of the elevator » yoke I3 and the same consists of pins 3,2 disposed `
Figure 10 represents a horizontal sectional view
through the elevator switch, showing the roller
40 assembly in top elevation.
through the legs of the yoke I3 and through the
plates 33. On each of these plates 33 a pair of
arms 34-34 are mounted by pivot elements
35-35 and each of thesearms carries a roller 40
36. Each of the arms 34 is provided with a down
Figure 11 represents a front elevational view of
the manual switch.
Figure 12 represents a vertical sectional View
through the manual switch.
Figure 13 represents an inside elevational view
of the contactor of the manual switch.
Figure 14 represents a top plan view of the contactor of the manual switch.
Referring to the drawings wherein like numer50 als designate like parts, it can be seen in Figure 1
wardly disposed lug 31 and these lugs are con
nected by a coiled spring 38 which passes under
the corresponding plate 33 so as to tension the
roller arms downwardly to engage the contact 45
strips of the panels 28--29.
As is clearly shown in Figure 10, there are two
sets of rollers of five rollers each, five rollers for
each of the panels 28-29.
- For the panel 29, the rollers w and b engage the 50
that the signal proper consists of the casing 5
single relatively broad contact strip 39, while the
having a swingable closure 6 at its outer side.
Mounted in the casing 5 is the electric motor
'I which drives the vertical shaft 8. Numeral 9
rollers c, d and e Aengage the single contact strips
40, 4I and 42, the contact strip 40 is the shortest
of the strips, while the strip 4I is of intermediate
55 represents a frame which supports bearing mem-
length and the strip 42 the longest, correspond- 55
ing Vto the >positions Voi" the semaphore “stop”,
the negative side ofthe switch'plate 49, namelyV
“left signal” and “right signal”.
The rollers Vfor the panel 28 consist of the roller
Y g engaging the single contact strip 43, the roller f
engaging the» strip 44 and the rollersv h, y' and lc
the contact 51, is connected tothe negative side
of the battery'. 'I'he switchV contactor'65'Y also
connects plates 5,0 and 5|. The plate 50 isV c‘on
nected to theright field of the motor, denoted
, engagingv the contactstrip'45.
byïnumeral 10, while the plate 5| is connected to i
Ythe right brush 1|, all' as shown in Figure 3.
When the roller assembly | 3 moves olf of plate
Referring to Figure 11, the manual switch, it
can he? seen 'that numeral Y46 representsa casing
within which theV dielectric plate 41 is mounted
signal elements to» stop. Y
tending guide slot 48 is'provided in Vthis dielectric
plate. 'To'one side of this groove 48 are the con
current and when Operated to .give a “left turn”
tact strips 49, 50 and 5|, While to' the other s'ide
of the groove 48 are the contact strips 52, 53 and
15 the vertically spaced contacts 5,4, 55 and'56.
Below the contact strips 49, 50 and 5| 'are'rthe
1 elevator Yreturning spring contactsk 51,V 58 and 59,
respectively, While similar contacts areV located
beneath the contacts 52, 53 and 58'and these
40, this breaks'all connections, thereby causing „
. Y
and at an intermediate .point a vertically eX
The switch is connected lup Vwith a source of
_ indication, Vcurrent will flow from the source by
Way of the switch. Current flows on theplate
45 to the relay plate `4| by way of rollers 7'---d.
Current then flows toI the switchY plate 631byway
of the conductor 80. The current passes from
Y the »switch plate 53 tothe lield 12 Vand current will
'flow on the conductor 8| from there to .the,switch.»
fare denoted «by numerals 60, 6| andf62 Yrespec
' plate 52. 'I'he conductor 82 carries current to the(
tively.Y , Numeral 63lrepr‘esents the 4contacter han
>brush `1| . jA It /wilLbe _ _bservedthat lthe rightpanel
Vof. the. switch as showri’in the diagram is the'néga? y
'dle‘ whichhas a headed pinV B4 iorengaging. into
Y :the` guide ‘groove 4811V .This switchfhandle Y|:î3 car
' «ries a Ypair of contact strips"'65--B6,‘the stripGB,
tive‘side while the opposite panel representsthe Y' y
positive side of thelswitch with!V respect tov the
engaging the contactsA 51.,.158Äar'1d> 59 or- the con~
tacts,49, 5|) and 5|, while thelstrip îûengages
sourceof current. Asshown inthe diagrammatic 25
View, the wire 83 is connectedto the switch plate
.the contactsßû, 6| fand’62, or the'contac‘ts'52', 53
and 56, orY the contactsl 52,53fand 575, or contacts
by the wire V84 and Vthejplate 5|> is in turn con».
52,53 and54. .7..
49 while the plate`50 is connected to therñeldf'lû
nected to the brush 13jbythe .conductor 85. VVIn
z ' By referringtoFigureY 3,' vit ycan >be,V seen that
Ythe operation of the switch to `accomplish the d
nuine'raLST> yrepresents the sourde `of current
purpose stated the plates 49,'50 andg5| areco'ná
#which ha'sitsle'ad Y6,8 extending t6 connect tothe V nected by the switehïlever 631toÍc'omplete the
velevator switch contacts39. and '45. A conductor
V69 .extendsrfro‘m .the return, contact stripV toV the
35 contact 60 ofthe manual switch-l " `From Vthe' conl
tactJìZfextendsV awire tothe fright field 1D of
of the plate 4|, breaking the connectionV when
the motor 1,v WhilelieX/tending' from the. contact
the Vhand hasvbeen suiîiciently lifted. . _
611 i'sÍ a wire. tothe right brush'Tl ofthe motor 1.
Y The_contact159 has a Wire 'extending' to the left
ñeld .127, Vwhile'theJcontact 58 -hasa conductor
extending to the leftïbrushy Y13 and also tothe
Yupper VContact strip 52 of theV manualswitch."> It
Y will alsobev observed’that the Wire from the con
tact, 62 is `-continued to conne'ct'to» theV . contact
strip50 of theÍmanual-’switch'ï .L '
return siderof the motor thereby causing the mo
. torto rotatesraisingthe Ahand/,22 to a leftV turn'L
position and causing the rolliassem'bly .to run off .~ ^
l d
VWhilefthe fore-going speciñcation sets .forth the
inventionrin'speciñc terms, it is to/'be understood
y,that numerous changes in the shape, size vand ma- ‘
terialspmay be resorted to Without departingifrom
therspiritandfscope of theinvention as claimed
" Having describedtneinvention,whatisdçiairllèd
The contact 5:1`hasla'vs?reitothe negative side
of the batteryY 611and`vthisfïv`rire ’alsoY connects to
A direction signalYcomprising'.V a semaphore, an
illuminating Velement for` the semaphore.V a lazy
theY upper contact'strip 49. VYThe right _field brush Y tongstru'cture, means for securing’ the lazryto’ng
structure tothe semaphore, a switchY Yincluding a
strip 5| and asis clearlyY showninflï‘igurejâ»,.theV pair of spacedandfopposed panels fof insulating
15| 'has a'wire> connected toI the upper Ycontact
upper contact strip
heid 12.
`is'connecte'cl -to the _left Vmaterial;¿conductor strips' disposed on the Voppo
The contact 58 hasa conductor extending fto
the stop signal Contact strip/¿40 offtheVV elevator
switch, .while ,the _Contact 55 .hasj a conductor'fto
the leftsig'nalcontact strip. l,The contact '54» of
site' sides of the 'panels and VVsecuredthereto, a? '
contactor movable between' said plates andin rid
ing 'engagement4 with said strips, aiblock extend.
ing from` the contacter and provided ` with a
threaded bore,1a motor, a screw shaft connected ,¿ »
' the manual switch has YYa conductor leading to'the
Vto` and driven by the motor' and> thr'ëadedly disè
v right> signal contact strip42iof the elevator switch,
posed Athrough thebore'ofthe block for feedingV 4
all [as 'is clearly shown in FigureV 3.‘ ' Y n
60 I To. cause the signal to move to ,“Vstop”1position,
said block ,an'd'contacton asupport for one end
of theshaft, said lazytong structure having one
*the> Vcontacter, 65is1'i`noved Ttdconnect'plates 52,V of/,its link members connected Vto Ytheesaid block, 60'
53, and 56 on 'one’sid'eand'platie's 49, 50,1and 5_l'on
the Vother side. f Current'from'tlie batteryto .plate
45 kis conducted to plate Y4|] íby mean'softhe roller
65 assembly |3 and from there to-` plate ¿52 which~in
turn directscurrent from plate 56 fto, theßle‘ft
brush`13 of the motorïa'sshownj ini‘i'gureß‘.. On
a` source of currentconnected to the strips on one
,of the ,lpanels,.said Villuminating Yelement and
motor being connected tothe strips on the op
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