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Патент USA US2136848

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Nov. 15, 1938.
W. O‘ HASSLER
2,136,848
DETACHABLE CONNECTER
.Filed Feb. 23, 1938
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ATTORN EYS
Patented Nov. 15, 1938
2,136,848
UNITED; STATES ‘ PATENT OFFIQE
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2,136,848
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DETACHABLE CONNECTER
Willard O." Hassler,.Kent, Ohio
Application February 23,1938, Serial No. 192,110
2 Claims. (Cl. 173-332)
This invention relates to detachable connect
Figure 7 is a longitudinal sectional view of the
ers and has for an object to provide a ?exible ‘ receptacle member of the device showing the
device of this class which will be unaffected by rubber shield in' normal condition before being
vibrations to which electrical equipment is ‘sub
deformed by contact with the knife section of the
jected in trucks, busses, and‘other conditions of _
Referring now to the drawing in which like
A further object is to provide a device of this characters of reference designate similar parts
class including separable knife and receptacle in the various views, the knife section IU of the
sections which will be more easily connected and detachable connecter comprises spaced similar
substantially rectangular metal stampings l I, best <10
disconnected than conventional switches.
A further object is to provide a device of this shown in Figure 4;. Each stamping is provided
type in which ?exible rubber performs‘ the ‘dual on one longitudinal edge with an outwardly‘di
function of an insulator and a yielding body to rected attaching ?ange I2 and on the opposite
longitudinal edge is provided with an inwardly
resist vibration.
A further object is to provide a device of this directed ?ange l3.
,
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£15
type having a ?exible rubber shield integral with
A rubber block I4 is arranged between and vul
one of the members, and adapted to extend over canized to the inner faces of the metal stampings
the inter?tting metal parts of the switch to pro
and the ?anges 13 are countersunk in the block
tect the same from foreign matter, rain and so as to lie ?ush with the outer face of the block.
snow.
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The block is of su?icient elasticity to ‘absorb ‘vi- 20
A further object is to provide a device of this brations transmitted to the block from the stamp
type which will be formed of a few strong simple ings, and the rubber of the block performs the
and durable ‘parts, which will be inexpensive to additional function of an insulator.
'
manufacture and which will not easily get out
A blade [5 and a socket member [6 connected
together and arranged at right angles, have por- 25
of order.
With the above and other objects in view the tions thereof imbedded in the block of insulation
invention consists of certain novel details of con
Id. The blade extends from one side of the
struction and combinations of parts hereinafter block and the socket member extends from one
fully described and claimed, it being understood end of the block, as best shown in Figures 2 and 3.
that various modi?cations may be resorted to
The receptacle section I‘! of the detachable 30
within the scope of the appended claims without connecter comprises spaced similar substantially
departing from the spirit or sacri?cing any of the I rectangular metal stampings l8, best shown in
advantages of the invention.
Figure 7. Each stamping is provided on one lon
In the accompanying drawing forming part of gitudinal edge with an attaching flange [9 and
this speci?cation,
on the opposite longitudinal edge is provided with 35
Figure 1 is a side elevation, with parts broken an inturned ?ange 20. A rubber block 2| is ar
away of a detachable connecter constructed in ranged between and vulcanized to the inner faces
accordance with the invention and shown in ap~ of the stamping and the ?anges 20 are imbedded
plied position on a truck frame to connect the in the block. The block is provided with an in
device.
service.
15
20
25
30
35
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A
40 battery to the ignition and lighting systems.
Figure 2 is an end elevation of the knife sec
tions of the device.
Figure 3 is a longitudinal sectional view of the
knife section of the device taken on the line 3—-3
45 of Figure 2.
Figure 4 is a cross sectional view of the knife
section of the device taken on the line 4-4 of
Figure 2.
Figure 5 is a cross sectional view of the recep
tacle member of the device taken on the line 5-5
of Figure '7.
Figure 6 is a longitudinal sectional view of the
receptacle member of the'device taken on the
line 6—6 of Figure 5 with the rubber shield re
55 moved.
tegral ?exible substantially cylindrical shield 2i 40
of rubber. The shield is self-supporting and is
provided intermediate its ends with a bulge or
accordion pleat which permits of the shield being
deformed or collapsed endwise by contact with
the knife section of the device.
45
A binding post 22, best shown in Figure 1, and a
receptacle 23, best. shown in Figures 5 and. 7,
connected together and right angularly related
have parts thereof imbedded in the rubber block
2|. The receptacle extends from one side of the 50
block and the post extends from one end of the
block. The shield 2| surrounds the projecting
portion of the receptacle and may be molded into
the rubber block of the receptacle section of the
device. As heretofore described, the rubber block 55
2
2,136,848
is of such elasticity as to absorb shocks and jars
and also serves as an insulator.
In applying the device to connect the battery
of a bus to the ignition and lighting systems the
knife section may be secured to the side of the
battery by screws 24 passed through the attach
ing ?anges [2 of the knife section. The positive
wire 25 of the battery may be soldered into the
socket member IS. The receptacle section I'I
10 may be secured to a bracket 25 by screws 21 passed
through the attaching ?anges IS. The bracket
26 is secured to the cross braces 28 of the chassis
adjacent the conventional sliding tray 29 which
supports the battery 3|]. The lead wire 3| of the
15 ignition and lighting systems may be connected
to the binding posts 22.
The device may be easily connected by sliding
the battery to its innermost limit of movement,
the knife l5 passing into the receptacle 23 and
20 deforming the elactic rubber shield so that the
inter?tting knife and receptacle will be covered
at all times by the shield regardless of shocks and~
jars. Also the elasticity of the rubber block of
both sections of the device will absorb shocks and.
25 jars so that loose connections are positively obvi
ated. When the battery is slid in the direction
of the arrowhead for removal the device will be
disconnected by endwise separation of the knife
section from the receptacle section.
From the above description it is thought that
30
the construction and operation of the invention
will be fully understood without further explana
tion.
What is claimed is:
35
l. A detachable connecter comprising a knife
section and a receptacle section comprising rec
tangular metal stampings each provided at one
longitudinal edge with an outwardly directed at
taching ?ange and provided at the other longi
tudinal edge with an inturned ?ange, a block
of yielding insulation arranged between the
stampings of each switch section, the inturned
?anges engaging the block of insulation, a blade
and a socket member connected together at right
angles and having their connected portions im
bedded in the block of insulation of the knife
section, the blade extending from one side of the
block and the socket member extending from
one end of the block, a binding post and a re
ceptacle connected together at right angles and 10
having their connected portions imbedded in the
block of insulation of the receptacle section, the
receptacle extending from one side of the block
and the post extending from one end of the block,
and a ?exible rubber shield extending from one 15'
end of the receptacle section and adapted to sur
round the blade and the receptacle when con
nected together by moving the knife section and
the receptacle section endwise into juxtaposition.
2. A detachable connecter comprising a knife 20
section and a receptacle section comprising metal
side members provided with securing means, a
block of insulation secured between the side mem
bers of each section, a blade and a socket mem
ber connected together at right angles and im
bedded in the block of insulation of the knife
section at their connected portions, a binding
post and a receptacle connected together at right
angles and imbedded at their connected portions
in the block of insulation of the receptacle sec
tion, the blocks of insulation of both sections
being formed of elastic rubber to absorb shocks
and jars, and a substantially cylindrical ?exible
rubber shield formed integral with the insulating
block of the receptacle section and adapted to
surround the interleaved knife and receptacle
when the knife section and the receptacle section
are connected together by endwise movement to
ward each other.
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WILLARD O. HASSLER.
:30
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