close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2403904

код для вставки
July A16, 1946.
M. P. BLOMBERG
2,403,904
HEADLIGHT MOUNTING
Filed Nov. 19, 1945
zz
f
l'mventor
<
G_ttomegs
Patented July 16, 1946
2,403,904
UNITED STATES PATENT ÜFFICE
2,403,904
HEADLIGHT MOUNTING
Martin I’. Blomberg, Hinsdale, Ill., assigner to
General Motors Corporation, Detroit, Mich., a
corporation of Delaware
Application November 19, 1943, Serial No. 510,982
6 Claims.
ì
„
This invention relates to headlights of the type
used on locomotives, and more particularly to the
mounting of such headlights. In locomotives,
especially those of the Diesel-electric type, it is
considered advantageous to be able to obtain ac
2
`by a ring 26 which is drawn toward the member
I8 by screws 28 which pass through holes formed
in the member.
Extending across the front end of the body and
secured to the framework thereof in any suit
cess to the headlight structure, and particularly
to the interior of the headlight housing, from the
inside of the locomotive body. This permits
able manner is an L-shaped member 30 having a
operator to support its weight during the lowering
ing being adjusted to bring about the proper rela
horizontally extending leg 32 and a vertically ex
tending leg 34. Mounted on top of this member
is a support bracket 36 which is secured thereto
changing bulbs, cleaning reilectors, making ad
justments and any other necessary attention 10 by screws 38 whichV are threaded into the leg 32,
and a bolt 40 which extends through the leg 34.
under any weather conditions and even while the
Located at the upper part of this bracket are
locomotive is running.
A
spaced lugs 42 between which ñt portions 44 of a
Among' the objects of this invention are the
hinge bracket 46, the latter being pivotally con
provision of a mounting for a locomotive head
nected to the support bracket by a bolt 43 which
light wherein the headlight housing will be posi»
extends through openings formed in the lugs 42
tively held in normal or operating position, but
and the portions 44.
may be released therefrom to permit swinging it
The hinge bracket 45 is connected by bolts 50
downwardly simply by exerting a pulling action
to a base portion 52 which is secured to the head
on it; wherein during its Ydownward 'swinging
movement it will cause the tension on a spring 20 light housing 54. A ring 56 secured to the front
edge of the housing is adapted to seat against
to be increased so as to balance the weight of the
the resilient sleeve 24, the position of the hous
housing thereby making it unnecessary for the
tionship of the parts to permit this by the in
movement and making it much easier to swing it
back up to its operating position ;'and wherein an 25 sertion of shims 58 between the bracket 36 and
the leg 32, and a shim 60 between that bracket
adjustable stop means serves to limit the down
ward swinging movement of the housing to pre
vent the latter from striking adjacent portions of
the locomotive body or the equipment located
therein and becoming damaged thereby.
Other objects and advantagesI of the invention
will be apparent upon reference to the following
description and accompanying drawing, in which:
Fig. 1 is a side elevational View of the front
portion of a locomotive body embodying my im
and the leg 34.
Extending forwardly from the bracket 3S are
two spaced arms 62, each having holes 62a,'li2b
30 and 62o formed in them. Either set of these holes
is adapted to receive a bolt B4, the latter being
shown in Fig. 2 as being inserted in the holes $2ct.
Extending downwardly from the hinge bracket 46
are two spaced arms E6 each of which has holes
66a, 66h and'ßlìc formed in them, and a bolt 68
is shown in Fig. 2 as being inserted in the holes
proved headlight mounting;
66a. A tension spring 'I0 has its ends hooked
Fig. 2 is an enlarged longitudinal and vertical
over the bolts 64 and 68.
sectional View through the headlight mounting,
As best shown in Fig. 4, the ends of the arms
showing the details of construction thereof;
Fig. 3 is a sectional view taken on the line 3-3 40 E6 are jointed together to form a Spearhead 'I2
which is adapted to be received in a catch 'I4 hav
of Fig. 2; and
ing two portions 'I6 and 'I8 which are urged to
Fig. 4 is a sectional view taken on the line 4-4
ward each other by a spring which is not shown
of Fig. 2.
since the catch is of a well-known standard con
The reference numeral I0 indicates generally
a locomotive body, the front end wall I2 of which 45 struction which is quite commonly used for hold
ing doors and like parts in various positions. The
is rounded as at I4 to produce a streamlined
catch 'I4 is secured to the support bracket 36 by
effect. Projecting forwardly from this rounded
screws 80.
part, on the longitudinal center line of the loco
When the headlight is moved to its normal op
motive, is a tubular portion I6, in the front end
of which is secured, by welding or in any other 50 erating position, as shown in full lines in Fig. 2,
the Spearhead ‘I2 enters between the portions 'IB
suitable manner, an annular member I8 which
and 'I8 of the catch, which grasp it and hold it in
has an inwardly extending flange 20 formed on
such position that the ring 5S on the front of the
it. A transparent closure or lens 22 is received
housing will be ñrmly held against the resilient
in a sleeve 24 formed of resilient material which
ñts over the ñange 20. The sleeve is held in Place 55 sleeve 24. When it is desired to obtain access
2,403,904
3
to the interior of the headlight housing from the
inside of the locomotive body to replace the bulb,
4
to said hinge bracket and spring means associated
with said brackets adapted to be placed under
clean the reflector` or for any other reason, the
increasing tension to balance the weight of said
housing is pulled rearwardly and downwardly by
housing as the latter is swung downwardly with
grasping the handle 82 secured to the back of the
respect to the support bracket.
housing. This pulling movement causes the
3. In a headlight mounting, the combination
Spearhead to be released from the spring-held
of a support bracket, a hinge bracket pivotally
catch '14, allowing the housing to swing about the
connected thereto, a headlight housing secured to
pivot point formed by the bolt 48 to the position
said hinge bracket, spring means associated with
shown by the dot-and-dash lines in Fig. 2.
10 said brackets adapted to be placed under increas
This downward swinging -movement of the
ing tension to balance the weight of said housing
headlight housing is resisted or balanced by the
as the latter is swung downwardly with respect
spring "ED, the tension of which increases as the
to the support bracket, and means adapted to
housing swings downwardly, due to the fact that
permit variation of the amount of tension placed
it is secured at one end to the bolt 64 which is 15 upon said spring means to compensate for varia
ñxed and at the other end to the :bolt 68 which
tions in the weight of said housing.
moves farther away from the bolt 64 as the hous
4. In a headlight mounting, the combination
ing is swung downwardly. The location of the
of a support bracket, a headlight housing, a hinge
holes in the arms S2 and 66 is such that if desired
bracket secured t0 the housing, said hinge bracket
more tension may be obtained from the spring 20 being pivotally connected to the support bracket
by placing the bolts 64 and `(i8 in the holes B2b
whereby the housing may be swung downwardly
and 68h respectively, and still greater tension may
with respect to the support bracket, and a spring
be obtained by placing the bolts Gli and 68 in the
actuated catch secured to said support bracket,
holes 62e and 66C respectively.
said catch being adapted to engage a projection
In order to limit the downwardly swinging
extending from the hinge bracket to serve to hold
movement ci the housing, the hinge bracket @S
said housing in its uppermost position.
has an arm 825i formed on it, and a stop screw 85
5. In a headlight mounting, the combination
threaded into this arm is adapted to engage a
of a support bracket, a hinge bracket pivotally
portion 88 on the support bracket 36 when the
connected thereto, a headlight housing secured to
housing has swung downwardly as far as is neces 30 said hinge bracket, said support bracket having a
sary to permit access to the interior of it. The
plurality of spaced holes formed therein, a bolt
position of the stop screw 86 may be adjusted by
adapted to iit into any one of said holes, said
threading it into or out of the arm so that it will
hinge bracket having a plurality of spaced holes
engage the portion 88 before the housing can
formed in it, a bolt adaptedv to ñt into any of said
strike any of the adjacent parts of the locomotive 35 holes, a spring having its ends connected to said
body or the equipment located therein and be
bolts and adapted to be placed under increasing
come damaged thereby. After being adjusted to
tension as the housing is swung downwardly with
the correct position, the stop screw may be locked
respect to the support; bracket, the amount of
in that position by a lock nut 90.
tension placed upon the spring Ibeing variable by
While a specific embodiment of my invention 40 inserting said bolts in the different holes in said
has been shown and described, it will be under
brackets.
stood that various changes in details of design or
6. In a mounting for a headlight in a locomo
arrangement of parts may be made without de
tive Ibody having an opening provided in the front
parting from the spirit and scope of the appended
end thereof, a resilient ring located in said open
claims.
45 ing, a member supported by the body framework
I claim:
'
adjacent to the opening, a support bracket
1. In a headlight mounting, the combination
mounted- on said member, a hinge bracket pivot
of a support bracket, a hinge bracket pivotally
ally connected to said support bracket, a head
connected thereto, a headlight housing secured to
light housing secured to the hinge bracket, said
said hinge bracket, and means associated with 60 housing normally being held against said ring,
said brackets serving to balance the weight of
and means adaptedv to adjust the position of said
said housing as the latter is swung downwardly
support bracket relative to said` member whereby
with respect to the support bracket.
the location Yof said housing may be varied rela
2. In a headlight mounting, the combination
tive to said resilient ring.
of a support bracket, a hinge bracket pivotally 55
connected thereto, a headlight housing secured
MARTIN P. BLOMBERG.
Документ
Категория
Без категории
Просмотров
0
Размер файла
352 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа