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Патент USA US3034584

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May 15, 1962
3,034,575
E. |_. STROUP
VERTICALLY ACTING DOOR
Filed Aug. 29, 1956
3 Sheets-Sheet 1
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May 15, 1962‘
3,034,575
E. |_. STROUP
VERTICALLY ACTING DOOR
Filed Aug. 29, 1956
3 Sheets-Sheet 2
INVENTOR.
[U?/Z 5/70
BY
May 15, 1962
E. L. STROUP
3,034,575
VERTICALLY ACTING DOOR
Filed Aug. 29, 1956
Tia-.2.
3 Sheets-Sheet 3
United States Patent 9 ”
3,934,575
Patented May 15, 1962
1
2
3,034,575
However, it should be understood that my invetnion is
capable of wide adaptations such, for example, as freight
Earl L. Stroup, Hartford City, Ind., assignor to Overhead
Door Corporation, Hartford City, Ind.
Filed Aug. 29, 1956, Ser. No. 606,842
6 Claims. (Cl. 160-40)
wardly acting doors ‘where sealing of the door is im
portant. The adaptation to trucks, trailers and like mer
chandise conveying vehicle is especially important as
This invention relates to vertically acting doors which
are well adapted for embodiment in trucks, trailers,
they are very commonly operated under severe condi
tions of dust, rain, snow and ice and many of the items
commonly transported are considered as damaged even
VERTICALLY ACTING DGOR
freight cars and the like.
The main objects of this invention are:
cars, cold storage doors and to garage and other up
10 when cartons containing the same are soiled.
In the accompanying drawing 1 represents the roof,
First, to provide an upwardly acting door which is
effectively sealed when in closed position and at the
2 the ‘side walls, 3- the ?oor and 4 an end wall having a
door opening therein. The door opening is de?ned by
the upright side members 5, the top piece 6 and the sill
Second, to provide an upwardly acting door having 15 7 which in the embodiment illustrated is stepped down
these advantages in which resiliently compressible seal
wardly somewhat from the ?oor. The sill is desirably in
members are under resilient compression when the door
practice a part of the body frame. These parts are
same time one which may be easily closed and opened.
mainly shown conventionally.
is in closed sealed position and at the same time one in
In the accompanying drawing the door designated
which the door may be opened from sealed position with
a minimum of frictional engagement with the seal mem
bers.
20 generally by the numeral 8 is of the horizontal articu
Third, to provide a door construction having these
advantages which may be readily embodied in trucks,
trailers, freight cars, cold storage structures and the
like without substantial structural modi?cation thereof. 25
Fourth, to provide a door structure comprising a plu
lated sectional type and comprises a bottom ‘section 9,
top section 10 and intermediate sections 11. These, as
illustrated, are fabricated of sheet metal and the struc
tural details thereof form no part of this invention ex
cept that the meeting edges of the sections are meetingly
stepped or rabbeted as shown at 12 and 13 so that the
rality of hingedly connected sections in which the joints
edges are in interengaging relation when the door is
between the sections are e?fectively sealed when the door
closed as shown in FIG. 4.
is in- closed position.
Fifth, to provide a door assembly embodying these
with hinge members 14 and 15 connected by pintles 16
arranged in the plane of the upper steps of the rabbeted
joint so that one section may swing rearwardly relative
to the adjacent lower section.
advantages which is relatively simple and economical
in
ate
parts and may be quite easily installed and oper
.
The sections are provided
To provide an effective seal for the joints between the
Objects relating to details and economies of the inven
sections when the door is in ‘closed position and at the
tion will appear from the description to follow. The 35 same time permitting them to swing freely on their
invention is de?ned and pointed out in the claims.
hinges I provide stepped seal members 17 which are
conformed to ?t the upper edges of the sections and are
A preferred embodiment of the invention is illustrated
in the accompanying drawing, in which:
adhesively bonded or otherwise ?xedly secured thereto.
These seal members 17 are substantially resilient so that
FIG. 1 is a fragmentary inside view of an embodiment
of my invention with the door in closed position, par 40 they are compressed when the sections are swung into
the same plane as in closed position. The lower steps
tially in section on a line corresponding to line 1—-1 of
of the seal members are provided with longitudinally ex
FIG. 2, certain parts being omitted and others shown
tending, preferably hollow, ribs 18 which are substan
more or less conventionally to simplify the illustration.
tially ?attened or compressed when the sections are in
FIG. 2. is an enlarged fragmentary view in vertical
45 aligned position, as best shown in FIG. 4. This pro
section on a line corresponding to line 2—2 of FIG. 1.
vides a very effective seal or closure between the sections.
FIG. 3 is a fragmentary vertical section of the door
The lower edge of the bottom section is provided with
in closed position, the upright and upper sections of the
a longitudinally extending seal member 19 formed of re
track and the relation of the rollers thereto being in
dicated by dotted lines.
siliently compressible material and conformed to ?t into
FIG. 4 is an enlarged fragmentary vertical sectional 50 the rabbeted lower edge of the section and provided with
a forwardly projecting ?exible ?ange 20 and a longi
view corresponding to the vertical section of FIG. 3,
tudinally extending collapsible rib 21. This seal member
further or added details being illustrated.
is adapted to sealingly engage the sill 7 when the door is in
FIG. 5 is a fragmentary perspective view of a door
completely closed position relative to the sill as is best
section joint seal member.
FIG. 6 is an enlarged fragmentary view on a line 55 shown in FIG. 10. Inwardly facing seal vmembers 22 are
mounted on the jambs or side uprights 5 of the ‘door and
corresponding to line 6—6 of FIG. 1 illustrating the door
a seal member 23 is mounted to face inwardly on the top
as positioned for adjustment to sealing position.
member 6 of the door frame.
FIG. 7 is an enlarged fragmentary horizontal view
Upright support members 24 ‘of channel section which
on a line corresponding to line 7—7 of FIG. 8.
FIG. 8 is a fragmentary sectional view partially in 60 are disposed to face towards each other are mounted on
the inner sides of the upright frame members 5. Upright
vertical section on a line corresponding to line 8—8 of
track sections 25 are disposed within the support members
FIG. 7.
and pivotally mounted atr26 to swing to and from the up
FIG. 9 is a fragmentary view partially in vertical sec
tion on a line corresponding to line 9-9 of FIG. 6, and 65 right frame members.
Coil springs 27 are arranged to yieldingly urge the
with the door in unsealed position as is illustrated in
FIG. 6.
swinging ends of the upright track sections rearwardly.
The upper track sections 28 have downwardly and for
FIG. 10 is an enlarged fragmentary view generally
wardly curved front ends 29 which align with the upper
corresponding to that of FIG. 9 with the door fully closed
ends of the upright track sections las is clearly shown in
and adjusted to scaling position.
70 FIG. 2. The door sections are provided with guiding and
In the accompanying drawing I have illustrated my
supporting rollers 30 coacting with the tracks. The upper
invention as embodied in the body of a truck or trailer.
rollers are mounted on the upper door section adjacent
3,034,575
4
3
its upper edge to engage the downwardly and curved front
for said links mounted on the outer sides of said side up
ends 9f the upper track section ‘and their supporting
rights, the track engaging members adjacent the upper
edge of the top door section engaging the downwardly
and forwardly inclined portions of the upper track section
acting to swing the upper portion of the door forwardly
brackets 301 are of such length that when the door is
closed the upper portion of the door is swung forwardly
against the seal members-
‘
To ‘complete the sealing of the door the swingable up
against the seals.
'
right portions of the track ‘are swung forwardly by means
2. A vertically acting door assembly including a sill,
of the hand levers or actuating members 31 which are
side uprights and a top member, a door comprising'ho'ri
zontally articulated sections, the top and bottom section
pivoted between the forwardly projecting brackets '32'on
the outer side of the upright door side members. The
10
members 31 are provided with ‘an eccentric shaped cam
member 33_rotatably mounted won the pivot 34. The cam
having track engaging members adjacent their’ upper and
lower edges respectively, inwardly facing resiliently com
31 are forked to embrace the eccentric cam members 33
pressible seal members mounted on the inner‘ side of
said side uprights mid top member, a resiliently compres
sible seal member on the bottom edge of the bottom door
section, upright track sections pivotally mounted at their
upper ends, upper track sections having relatively ?xed
downwardly and forwardly inclined portions at their for
ward ends mergingly aligned with the upper ends of said
rotatably mounted on the pivot 34. The cam members are
upright track sections, manually actuated means mounted
members 33 engage the openings 35 in the links 36 which
are pivoted at 37 to the brackets 38 on the front edges
of the swingable track sections, as is clearly shown in
'FIGS. 7 and 8.
'
In the embodiment illustrated the actuating members
secured to the levers by rivets 39, see FIG. 7. The links 20 on said side uprights and accessible from the outer side
project through openings 49 and to exclude dust and dirt
thereof for swinging said vertical track sections outwardly
flexible closures 41 are provided for these openings, the
on their side pivots, the track engaging members adjacent
the upper edge of the top door section engaging the
links being disposed through openings 42 provided there
for in the closures. With this arrangement of parts‘ the
door in lowered position may be pulled forwardly against
the seal members tandif desired locked in that position by
downwardly and forwardly inclined portions of the upper
track section acting to swing the upper portion of the
door forwardly against the seals, a latch on the bottom
door section, and a cammed keeper for said latch mounted
means ‘of -a padlock type ‘of lock, indicated at 43 in FIG.
2, the supporting brackets 32 being provided with holes
44 with which the hole '45 in the levers may be aligned
on said sill.
3. A vertically acting door assembly including side up
to receive the padlock. This also provides effective means 30 rights and a top member, a door comprising horizontally
articulated sections, the top and bottom section having
for locking the door.
'
track engaging members adjacent their upper and lower
edges respectively, inwardly facing resiliently compressible
'Iio insure effective sealing against the sill the door is
provided with a vertical catch 46 rotatably mounted in
the housing 47 on the front side of the bottom section.
seal members mounted on the inner side of said side up
The bottom door section is provided with a track engag 35 rights and top member, upright track sections pivotally
ing roller 48 adjacent its lower edge. The sill is provided
mounted at their upper ends, upper track sections having
relatively ?xed downwardly and forwardly inclined por
with an opening 49 through which the catch may be pro
tions at their forward ends mergingly aligned with the
jected when the door is in sealed position. The catch is
upper ends of said upright track sections, manually actu
provided with a lever-like handle 50 facilitating its manipu
lation ‘and its ‘camming locking engagement with the 40 ated means mounted on said side uprights and accessible
from the outer side thereof for swinging said vertical track
cammed keeper 51 disposed on the underside of the sill
sections outwardly on their side pivots, the track engag
ing members adjacent the upper edge of the top door sec
member, see FIGS. 9 and 10.
~ The supporting bracket 52 for the catch is provided
tion engaging the downwardly‘ and forwardly inclined por
with holes 753 with which the holes 54 in the lever 50 may
tions of the upper track section acting to swing the upper
portion of the'door forwardly against the seals.
’
4. In combination, a door jamb member, a seal mem
be registered to receive a padlock for locking the latch in
keeper engaged position. ‘In this position the seal mem—
ber von the bottom edge of the door is compressed and
ber of resiliently compressible‘ material mounted on said
jamb member to face inwardlyan'd'in supported relation
of the door ‘are veryeffectively sealed when the door is in 50 thereto, ‘an upright track member swin'gably mounted at
its upper end, a door provided with track engaging mem
closed position. At the same time the door may be ,quick
bers for slidably supporting said door, spring means act
1y released or adjusted into nonsealing'relation to thee
ing to yieldably urge the lower end of said track member
seal vmembers so that it may be opened and closed with
inwardly, a link pivotally connected to the swinging end
out substantial frictional ‘engagement with the seal mem
bers.
'
55 of said trackmember and projecting through said’ jamb
member, and a manually operable adjusting member
I have illustrated and described my invention in a highly
pivotally mounted on the outer side of said jamb mem
practical embodiment thereof which Ilbelieve will enable
provides an effective seal as is indicated in FIG. 10. With
this ‘arrangement of parts therside, top and bottom edges
ber and provided with an eccentric rotatably ‘engaging
those skilled in the art to embody or adapt to various uses
or conditions for which it is adapted.
_
w
'
said link.
edges respectively, inwardly facing resiliently compressible
seal members ‘mounted on said side uprights and top mem
ber, upright track sections swingably mounted at their
upper ends, springs acting to yieldingly urge the lower ends
of said upright'track sections ‘inwardly, upper track sec
tions having relatively ?xed downwardly and forwardly
inclined portions ‘at their forward ends aligned with the
upper ends of said upright track’ sections, links connected
to the swinging ends of said upright track sections and
'
'
'
'
‘
jamb member to face inwardly and in supported relation
thereto, an upright track member swingably mounted at
rights andya top member, a door comprising horizontally
articulated sections, the top and bottom section having
track engaging members adjacent their upper and lower
"
5. In combination, a door jamb member, a seal mem
ber of resiliently compressible material mounted on said
Having thus described the invention what is claimed as
new and is desired to be secured by Letters Patent is:
' 1. A vertically acting door assembly including side up
its upper end, a door provided with track engaging mem
6 01
bers for slidably supporting said‘ door, a link pivotally
connected to the swinging end of said track member and
projecting through said jamb member, and a manually
operable adjusting member mounted on the outer side of
said jamb member and operatively connected to said
link.
'
'
'
‘
'
’
'
6. In combination, a door jamb member, a seal mem
ber ‘of resiliently compressible material mounted on said
jamb member to face inwardly and in supported relation
thereto, an upright track member swingably mounted at
disposed through said side uprights, adjusting members 75 its ‘upper end, a door provided with track engaging mem
3,034,575
'
bers for slidably supporting said door, and a manually
operable adjusting member mounted on the outer side of
said jamb member and operatively connected to the
swinging end of ‘said track member.
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,397,930
1,483,097
Jefferies _____________ __ Nov. 22, 1921
Kline _______________ __ Feb. 12, 1924 10
6
1,824,212
1,865,568
1,869,347
Johnson _____________ __ Sept. 2-2, 1931
Johnson ______________ __ July 5, 1932.
Johnson ______________ __ July 26, 1932
1,948,770
2,045,060
2,050,070
2,257,513
2,575,255
2,736,076
2,827,114
Wheatley ____________ __ June 23,
Smith _______________ __ Aug. 4,
Pilcher ______________ __ Sept. 30,
Blodgett _____________ __ Nov. 13,
Bush et a1 _____________ __ Feb. 28,
Stroup ______________ __ Mar. 18,
Rowe ________________ __ Feb. 27, 1934
1936
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