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Патент USA US2133621

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Oct. 18, 1938.
L. EA KLEIN
2,133,621 ‘
l ELEVATOR CAB
Filed June 8, 1938 v
2 Sheets-Sheet 1
INVÈNTÖR
QXL.;
ATTORNEY
oct. 18, 1938.
2,133,621
L. E. KLEIN
ELEVATOR CAB
' Filed June '8, 193s
v
2 sheets-sheet 2
FIG. 3. '
ATTORNEY
2,133,621
Patented Oct. 18, 1938
UNITED STATES PATENT OFFICE
2,133,621
ELEVATOR
GAB
f
,
Louis Elihu Klein, Bronx, N. Y.
Application June 8, 1938, Serial No. 212,425
5 Claims. (Cl. 187-1)
The invention relates to elevator cabs.
In order to prevent rattles or squeaks in eleva
tor cars or cabs itis customary to secure the side
walls to each other and the side walls to the dome
5 or roof with the maximum amount of rigidity.
The side walls are secured together by lag screws
or other means applied from the outside of the
car and once the car is positioned in the hatchway
the means for fastening the side walls together
10 are inaccessible, or in any event cannot be
reached without a great deal of trouble and
expense.
'I‘here is always a tendency for buildings to
settle somewhat, and this ofttimes results in the
15 elevator guide rails getting somewhat out of align
ment. It also happens sometimes that careless
installations of rail jobs occur and the guide rails
are somewhat out of alignment to start with.
Under either of the foregoing conditions undue
20 stress and strains are set up in the elevator car
and cause annoying rattles and squeaks which,
25
if not remedied, will result in ruining the car.
As the means for fastening the side walls of the
car together are practically inaccessible all that
can be done is to reset the guide rails and after
a time the same condition will invariably exist
again.
The principal object of the present invention
is to construct an elevator car in which these
30
serious and annoying conditions will be elim
inated. In accordance with the invention the
means for securing the side walls of the car to
gether and for securing the side walls to the roof
of the car are what might be termed flexible
and will amply compensate for any reasonable
35
distortion caused by the building settling and the
guiderails being out of alignment. The annoy
ing squeaks and rattles will thus be eliminated
and, most important, the life of the car will be
40
greatly extended.
Another important advantage of the invention
is that substantial saving of time is effected in
assembling the car.
In accordance with common
practice the elevator platform and sling are first
45 installed in the hatchway. The side walls and
when it is extremely inaccessible the screws will \
not be installed.
Other objects and advantages will become ap
parent vas this specification proceeds. Referring
to the drawings forming a part thereof, and in
which a preferred form of the invention is illus
trated:
Fig. 1 is a longitudinal sectional view;
Fig. 2 is a top plan View;
Fig, 3 is a fragmentary sectional plan view 10
taken on line 3_3 of Fig. 1:
'
Fig. 4 is a detail perspective view showing the
means of fastening the side walls to each other;
Fig. 5 is a detail perspective View illustrating
the means for securing the side walls to the dome
or roof of the car; and
Fig. 6 is a fragmentary detail sectional View
taken on line 6_6 of Fig. 2.
,
Referring again to said drawings the reference
numeral I0 designates the platform of the car, II ,20
and I2 the side walls, I3 .and I4 the front and
rear walls and I5 the dome or roof of the car.
The dome of the car has secured to it by bolts
or other meansîil and on all sides thereof `at
spaced intervals a plurality of narrow plates or
straps 2|. As will be noted these straps extend
beyond the outer edges of the dome and are pro
vided with apertures to receive bolts 22.
Suitably secured to the side walls, front and
rear walls of the cab are L-shaped members 23, 30
the number of these members corresponding to
the number of straps 20. As illustrated, the long
legs 24 of the L-shaped members are bolted or
otherwise secured at 25 in position and the long
legs extend above the tops of the walls of the cab.
The short legs 26 extend upwardly and outwardly
from the tops of the walls and the edges of the
dome and are provided with apertures similar to
the apertures in the straps 20 for the reception of
the bolts 22, thus forming a resilient connection 40
between the side walls and the dome.
The foregoing construction has two important
advantages. One is that by virtue of the over
hanging parts of the straps being spaced from
and secured to the short legs 26 of the L-shaped 45
dome or roof are manufactured and completely
members a certain amount of iiexibility or give is
assembled in the shop. They are then disassem
bled and taken to the job where they are to be
installed. In accordance with the present inven
tion the side walls are slipped into interlocking
engagement with each other and with the dome
of the cab with a minimum amount of effort and
there is no necessity of at any time reaching into
the narrow spaces between the side walls of the
provided that would not be present with the rigid
method of securing the walls to the dome that is
now in use. Another important advantage is the
fact of the L-shaped members extending slightly
above the top of the walls. This construction
results in what might be termed providing a seat
for the dome and positively insuring a true align
ment of the walls with a minimum amount of
55 cab and the hatchway.
When the cabs are as
sembled in the usual manner- the mechanic must
reach up from the bottom and down from the
top to install and tighten the lag screws or bolts.
This is a very arduous and time-taking task and
60 ofttimes the work will not be properly done or
time and effort.
Bolted or otherwise secured at 30 to both sides
of the rear wall are plates 3I. These plates are
spaced from each other and extend beyond the
side edges of the rear wall. That part extending
beyond the edge of the rear wall is provided with 60
2
2,138,621
a downwardly extending slot 32 extending ap
proximately one half way across the plate and
having one of its entrance walls beveled at 33.
The plates 3l form one of the two elements of
Gl a series of inter-connecting joints between the
rear wall and the side wall I2.
The other mem
aration of the walls, each of said inter-connecting
joints comprising a pair of plates having parallel
slots in engagement with each other.
2. An elevator cab in which the walls are
secured together by a series of inter~connecting
joints, said joints permitting a slight vertical
ber of the inter-connecting joint comprises the
movement of said Walls in relation to each other,
plate 35 similar in all respects to one of the plates
3|, except it is reversed, that is the slot 36 is
The plates or elements of
each of the inter-connecting joints may be so
thus permitting skewing of the cab without sep
aration of the walls, each of said inter-connecting
joints comprising a pair of plates, one of said
plates having a downwardly extending slot and
positioned that the lower wall of the slot 32 does
not bottom on the upper wall of the slot 36. The
tending slot, the slotted portion being in engage
10 upwardly extending.
inter-connecting joints for securing both side
walls to the rear wall and the side walls to the
front Wall are identical.
In this manner a construction has been de
vised wherein, While the walls of the cab are
positively secured together they may move slight
20 ly in vertical relation to each other and thus
suiìcient flexibility is permitted by the inter
connecting joints to allow for any stresses and
strains that may occur due to skewing of the
cab on account of the guide rails being out of
25 alignment or other unforeseen conditions.
As heretofore stated, this construction permits
of great saving and economy in assembling the
car.
When assembling the cab on the platform
the dome is i'lrst suspended and the rear Wall
30 then positioned. The side walls are then hooked
on to the rear wall and the front wall hooked on
to the side walls. The complete operation is
accomplished with ease without stepping off the
platform and Without having to reach down or
35. up into the narrow spaces between the cab and
the hatchway. A mechanic on top of the car
may easily and quickly position the bolts 22 for
securing the Walls to the dome of the car.
The walls are secured to the platform by a
40 plurality of knees 40, one of the legs of which is
secured to the platform by screws 4l and the
other of the legs to the walls by the screws 42.
It will be noted the walls are formed of two
layers of material, the outer layer being five ply
45 and the inner layer three ply, as shown in the
lower left hand part of Fig. 1. The inner layer
is glued to the outer layer and covers the upright
legs of the knees 40 and the heads of the bolts
securing the L-shaped members 23 in position and
50 the heads of the bolts securing the interlocking
joints in position, thus making for an extremely
neat appearance.
'I'he dome has secured to it on either side a
plate 50. These plates have ears 5| which engage
55 the sides of the stiles 52 forming part of the
sling of the car. As is well known the sling of
the car is rigid with the platform and the plate 50
will, therefore, act to permit vertical movement
between the cab and the sling and take up any
60 shocks that might occur due to sudden stopping
or starting or other extreme conditions, and thus
take the strain off the cab.
Such changes in detail of construction- and ar
rangements of parts as would occur to one skilled
in the art are to be considered as coming within
the scope of the invention as set forth in the
appended claims.
I claim:
1. An elevator cab in which the walls are
70 secured together by a series of inter-connecting
joints, said joints permitting a slight vertical
movement of said walls in relation to each other,
thus permitting skewing of the cab without sep
the other of said plates having an upwardly ex
ment with each other.
3. An elevator cab in which the walls are
secured together by a series of inter-connecting
joints, said joints permitting a slight vertical
movement of said walls in relation to each other,
thus permitting skewing of the cab without sep
aration of the walls, each of said inter-connecting 20
joints comprising a pair of plates having parallel
slots in engagement with each other, a dome, and
means for securing said dome to said walls, said
means comprising a plurality of straps secured
to said dome and having portions overhanging the
edges of said dome, a plurality of L-shaped mem
bers secured to the outer surface of said walls,
said L-shaped members extending upwardly and
outwardly from the tops of said walls and the
edges of said dome with the upward portions 30
of said L-shaped members that are parallel to
said walls engaging the edges of said dome, and
means for securing said L~shaped members to
the overhanging portions of said straps so as
to form a resilient connection.
4. An elevator cab in which the Walls are
secured together by a series of inter-connecting
joints, said joints permitting a slight vertical
movement of said walls in relation to each other,
thus permitting skewing of the cab without sep 4.0
aration of the walls, each of said inter-connecting
joints comprising a pair of plates having parallel
slots in engagement with each other, a dome and
means for securing said dome to said walls, said
means comprising a plurality of straps secured
to said dome and having portions overhanging the
edges of said dome, a plurality of L-shaped mem
bers having one of their legs secured to the outer
surface of said walls and extending above the
tops of said walls and engaging the edges of said
dome, the other leg extending outwardly from 50
the top of said first-mentioned leg to form said
L-shaped members, and means for securing the
said other of said legs of said L-shaped members
to the overhanging portions of said straps.
5. An elevator cab in which the walls are
secured together by a series of inter-connecting
joints, said joints permitting a slight vertical
movement of said walls in relation to each other,
thus permitting skewing of the cab without sep 60
aration of the walls, each of said inter-connecting
joints comprising a pair of plates having parallel
slots in engagement with each other, a dome,
means for securing said dome to said walls, and
means comprising a plurality of straps secured to
said dome, said straps having portions overhang 65
ing the edges of said dome, said overhanging por
tions being secured to members fastened on the
walls of said cab, and plates secured to either side
of said frame, said plates having ears engaging
the stiles of the sling of the car to permit vertical
movement between said cab and said sling.
LOUIS E. KLEIN.
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