US2704574A - etlar - Google Patents

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US2704574A
US2704574A US2704574DA US2704574A US 2704574 A US2704574 A US 2704574A US 2704574D A US2704574D A US 2704574DA US 2704574 A US2704574 A US 2704574A
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building
wall
section
structure
casing
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING; SHOP CONVEYOR SYSTEMS; PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/008Dock- or bumper-seals

Description

March 22, 1955 J R. ETLAR 2,704,574

DOOR SEAL Filed July 14, 1954 2 Sheets-Sheet l Y 37 Y LNI) L\ 2- INVENTOR JOHN R. ETLAR T .1 .E

BY W ATTORNEY March 22, 1955 Flled July 14, 1954 INVENTOR JOHN R. ETL/:R-

BY @ff/,M ATTORNEY UnitedStates Patent O DOOR SEAL John R. Etlar, Baltimre,vMd.

Application July 14, 1954, Serial No. 443,311

9 Claims. (Cl. 160-127) This invention relates to building construction and more particularly to a structure to be applied to a building adjacent a door opening and adapted to cooperate with the body of a truck or other similar vehicle disposed adjacent the building for discharging or receiving merchandise through the door opening.

As is well known, warehouses and the like which are provided with relatively large door openings for accommodating trucks or other vehicles during the loading or discharging of merchandise therefrom, are particularly difficult to keep well heated in view of the leakage of air around the door opening, since the same must be open when the truck is in loading or discharging position, and heretofore no means has been provided for effectively sealing this opening. As a result such warehouses or buildings during the winter months are frequently subjected to an interior temperature considerably below that which is at all comfortable for the persons working therein. Consequently any means which will permit an exclusion of the elements and cold air from the outside, thus permitting reasonably comfortable temperatures within the building or warehouse, is obviously a step forward in the art.

It is accordingly an object of this invention to provide a structure for sealing the opening around the door of a building such as a warehouse, which structure cooperates with the body of a truck or other vehicle in order to seal such opening.

A further object of the invention is the provision of a structure for cooperating with a truck or other vehicle to seal the opening around a door in a warehouse or other building, which structure may be conveniently applied to the building or removed at will depending upon whether it is necessary to seal such opening against the entrance of air from the outside.

A still further object of the invention is the provision of a structure for attachment to the wall of a building or warehouse adjacent a door opening therein, which structure is adapted to cooperate with the body of a truck or other vehicle to prevent entry of outside air to the building, such structure being compressible to adapt the same to various contours of truck or vehicle bodies, and likewise providing means for facilitating the renewal of portions thereof which are subjected to greatest wear.

Another object of the invention is the provision of a structure for attachment to the wall of a building or warehouse adjacent a door opening therein, which structure is designed to cooperate with the body of a truck to prohibit the entrance of air from the outside, and in which the sealing structure may be installed without material modification of the building structure.

A further object of the invention is the provision of a structure to be attached to the wall of a building or warehouse adjacent a door opening therein to cooperate with a truck body in sealing against the entrance of air from without, which structure may be conveniently and economically manufactured from readily available materials without requiring the use of highly skilled labor, thus maintaining the cost of manufacture at a minimum.

Further objects and advantages of the invention will be apparent from the following description taken in conjunction with the accompanying drawings wherein:

Fig. l is a view in perspective showing the door sealing structure of this invention applied to a building wall which is shown in dotted outline, and also the manner 2,704,574 Patented Mar. 22, 1955 ICC in which the structure cooperates with a truck body which is also shown in dotted outline;

Fig. 2, an elevational view of the door sealing structure constructed in accordance with this invention;

Fig. 3, a sectional view on the line 3-3 of Fig. 2;

Fig. 4, a sectional view similar to Fig. 3 but showing a modied form of the invention; and

Fig. 5, a fragmentary view in perspective showing a canopy utilized to prevent entry of rain or snow at the upper portion of the door sealing structure.

With continued reference to the drawing there is shown in Fig. 1 the wall of a building 10 which may be provided with a door opening 11, and around this opening there is installed the door sealing structure 12 of this invention. The structure 12 is designed to cooperate with the rear edge of a truck body 13 in order to seal the opening 11 and prevent entry of air from the exterior of the building in a manner to be later described.

As best shown in Figs. 2 and 3, the door seal 12 of this invention is constructed in three sections, 14, 15 and 16, which may be installed around three sides of the door opening 11 and each of these sections is identical except for length and the manner of finishing the ends thereof.

The section 14 may be constructed as shown in Fig. 3, in which a plurality of layers 17 of foam rubber or other suitable compressible material are encased in a fabric tube or casing 13, which may be secured around the foam rubber llers 17 in any desired manner. The casing 18 is provided at opposite sides thereof with tabs 19 and 20 which may be secured to the casing 18 by stitching or in any other suitable manner, and these tabs serve to provide a securing means for attaching a wear casing 21 which may be of the same fabric as the casing 18 or may be of other suitable abrasion-resistant fabric. The wear casing 21 may be secured to the tabs 20 by lacing, not shown, or by any other suitable means and obviously as the wear casing 21 becomes worn or otherwise damaged, the same may be conveniently replaced by releasing the attaching means and securing a new casing in place to the tabs 19 and 20.

The section 14 is likewise provided with a laterally extending securing strip 22 which may be attached to the casing 18 by stitching 23 or other suitable means, and the strip 22 is provided with a plurality of grommets 24 which serve to provide a convenient means for facilitating securing of the section 14 to the wall 10 of the building.

As shown in Fig. 2 the section 14 is provided at the upper end thereof with a beveled end wall 25 which is designed to cooperate with a beveled end wall on the end of section 15, and likewise cooperating beveled end walls on the opposite end of section 15 and the upper end of section 16 permit installation of the three sections 14, 1S and 16 around the three sides of the door opening 11. The sections 15 and 16 are constructed in exactly the same manner as section 14 described above, and section 15 will be provided with an attaching strip 27 having grommets 28 therein, and likewise section 16 will be provided with an attaching strip 29 having grommets 30 therein.

As shown in Fig. 1, the sections 14, 15 and 16 may be attached to the wall 10 of the building by a llexible member 31 threaded through the grommets 24, 28 and 30, and engaging hooks or other suitable fastening means 32 extending from the wall 10 of the building. It will thus be seen that the sections 14, 15 and 16 may be conveniently installed on the wall of the building or removed therefrom and obviously no alteration of the building wall is required except the installation of the fastening means 32.

With the sections 14, 15 and 16 installed on the wall 10 of the building as shown in Fig. l, it is only necessary for a truck to back up to the door opening 11 until the rear edges of the truck body 13 contact the outer sides of the sections 14, 15 and 16 and compress the foam rubber fillers 17 which will, of course, accommodate the sections to irregularities in the edges of the truck body 13 and will thus provide a substantially airtlght seal around the door opening 11. The structure will automatically operate to provide such a sealing function, and obviously no manual manipulations are required in order to accomplish this result.

Since there may be leakage of rain or snow around the upper section 15 between the rear portion of the same and the wall of the building, as shown in Fig. 5 there may be provided a canopy 33 which may take the form of a sheet of fabric 34 of substantially the same length as the section 15, which sheet of fabric may be provided with an attaching strip 35 having suitable fastening means 36 which permit convenient attachment of the same to the wall 10 of the building. The canopy 33 extends downwardly and over the outer side of the section and may be secured in place at the ends thereof by a flexible member 37 which may also be secured to the fastening means 32 projecting from the wall 10 of the building. The canopy 33 thus provides an efllcient means for preventing leakage of rain or snow between the section 15 and the wall of the building, since the canopy 33 is in the nature of an inclined roof section which will act to shed such rain and snow.

A slightly modified form of the invention is shown in Fig. 4, in which a section 38 may include the sarne filler pieces or blocks 39 of foam rubber or other suitable material enclosed in a fabric casing 40 in the same manner as described above in connection with the construction of section 14. Likewise there will be provided securing tabs 41 and 42 for attaching a wear casing 43 in the same manner as described in connection with section 14.

The casing 39 of section 38 may be provided with loops 44 and 45 of fabric material which may be secured to the casing 40 by stitching 46 and 47 or other suitable means, and these loops 44 and 45 may extend throughout the entire length of the section 38 or may be secured thereto at spaced intervals. The loops 44 and 45 serve to receive pipes or rods, not shown, which in turn would be secured to the wall of the building by suitable pipe clamps and which structure would serve to conveniently and removably secure the section 38 to the wall of the building. This would provide a more rigid attaching structure than that provided by the lacing shown in Fig. 1, and might in some instances be more desirable.

It will be seen that by the above described invention there has been provided a relatively simple yet highly efllcient door seal structure which will permit loading or unloading of a truck parked adjacent the door opening of a warehouse or other building, and which at the same time will prevent entry of air or rain and snow to the interior of the building, but without in any way requiring substantial modification or alteration of the building. Furthermore, the structure is one which accommodates itself automatially to varying contours of the rear edge of the truck body and no manual operations are required to effect the sealing operation other than the ordinary parking of the truck in alignment with the door opening. The structure may be easily applied or removed from the building, and consequently it need only be utilized during the winter months or during inclement weather.

It will be obvious to those skilled in the art that various changes may be made in the invention Without departing from the spirit and scope thereof, and therefore the invention is not limited by that which is shown in the drawings and described in the specification, but only as indicated in the appended claims.

What is claimed is:

1. A sealing structure for cooperating with the rear edge of a truck body to seal around a door opening in a building, such structure comprising a plurality of elongated sections removably secured to the wall of the building around the door opening, each section comprising an elongated tubular fabric casing filled with slabs of foam rubber, a fabric wear casing removably secured to said tubular casing and extending around a portion of the outer surface thereof, an attaching strip secured to said tubular casing and extending laterally therefrom and grommets in said strip for receiving a flexible element for attaching the section to the wall of the building.

2. A sealing structure as defined in claim l in which a canopy is provided over the upper section extending S0 across the upper side of the door opening, said canopy comprising a strip of fabric material detachably secured to the wall of the building and extending outwardly and downwardly over the outer edge of the upper sealing section and secured to the wall of the building by a flexible element.

3. A sealing structure for cooperating with the rear edge of a truck body to seal around a door opening in a building, said structure comprising a plurality of elongated sections removably secured to the wall of the building around the door opening, each section comprising an elongated tubular fabric casing filled with foam rubber, a fabric Wear casing removably secured to said tubular casing and extending around a portion of the outer surface thereof, an attaching strip secured to said tubular casing and extending laterally therefrom and grommets in said strip for receiving a flexible element for attaching the section to the wall of the building.

4. A sealing structure for cooperating with the rear edge of a truck body to seal around a door opening in a building, said structure comprising a plurality of elongated sections removably secured to the wall of the building around the door opening, each section comprising an elongated tubular fabric casing filled with yieldable material, a fabric wear casing removably secured to said tubular casing and extending around a portion of the outer surface thereof, an attaching strip secured to said tubular casing and extending laterally therefrom and grommets in said strip for receiving a flexible element for attaching the section to the wall of the building.

5. A sealing structure for cooperating with the rear edge of a truck body to seal around a door opening in a building, said structure comprising a plurality of elongated sections removably secured to the wall of the building around the door opening, each section comprising an elongated tubular flexible casing filled with yieldable material, a flexible wear casing removably secured to said tubular casing and extending around a portion of the outer surface thereof, an attaching strip secured to said tubular casing and extending laterally therefrom and grommets in said strip for receiving a flexible element for attaching the section to the wall of the building.

6. A sealing structure for cooperating with the rear edge of a truck body to seal around a door opening in a building, said structure comprising a plurality of elongated sections removably secured to the wall of the building around the door opening, each section comprising an elongated tubular flexible casing filled with yieldable material, a flexible wear casing removably secured to said tubular casing and extending around a portion of the outer surface thereof, an attaching strip secured to said tubular casing and extending laterally therefrom and means on said strip for detachably securing the section to the wall of the building.

7. A sealing structure for cooperating with the rear edge of a truck body to seal around a door opening in a building, said structure comprising a plurality of elongated sections removably secured to the wall of the building around the door opening, each section comprising an elongated tubular flexible casing filled with yieldable material, a flexible wear casing removably secured to said tubular casing and extending around a portion of the outer surface thereof and means on said tubular casing for detachably securing the same to the wall of the building.

8. A sealing structure as defined in claim 7 in which the means for detachably securing the casing to the wall of the building comprises vertically spaced loops on said tubular casing for receiving an elongated member secured to the wall of the building thereby securing said tubular casing to the wall of the building.

9. A sealing structure as defined in claim 8 in which the means for detachably securing the tubular casing to the wall of the building comprises members on said tubular casing for receiving an elongated member secured to the wall of the building.

References Cited in the file of this patent UNITED STATES PATENTS 733,071 McGriff July 7, 1903

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181205A (en) * 1962-06-19 1965-05-04 Dubuque Awning & Tent Co Pad structures
US3230675A (en) * 1963-09-04 1966-01-25 Dubuque Awning And Tent Co Dock pads with adjustable head pad
US3286417A (en) * 1965-07-28 1966-11-22 Errol P Dazzo Door-sealing device for truck dock
US3375625A (en) * 1967-05-24 1968-04-02 Medalist Ind Inc Door seal
US3500599A (en) * 1967-10-23 1970-03-17 Weathershield Corp Closure device
US3935684A (en) * 1974-12-12 1976-02-03 Dubugue Awning & Tent Company Loading dock shelters
US4038792A (en) * 1975-11-28 1977-08-02 W. B. Mcguire Co., Inc. Wear protector for truck dock door seal
US4070801A (en) * 1976-10-04 1978-01-31 Neal Larry O Flexible dock seal
US4333195A (en) * 1980-11-24 1982-06-08 Lichti Robert D Fire protective walkway apparatus
US5622016A (en) * 1993-10-07 1997-04-22 Rite-Hite Corporation Gutter and seal assembly
US6272799B1 (en) 1999-06-21 2001-08-14 Rite-Hite Holding Corporation Loading dock seal with adjustable mounting bracket
US6854224B2 (en) 2001-02-20 2005-02-15 Rite - Hite Holding Corporation Loading dock with vertically movable side pads
US20050102929A1 (en) * 2002-07-26 2005-05-19 Hoffmann David J. Seal for a loading dock bumper
US20050108961A1 (en) * 2003-11-26 2005-05-26 Chalfant Jeffrey R. Loading dock door seal
US20080104902A1 (en) * 2006-11-07 2008-05-08 Rite-Hite Holding Corporation Low profile support panel for a dock seal
US20090064605A1 (en) * 2007-09-07 2009-03-12 Hoffman David J Dock seal with partially sliced foam core
US20090077906A1 (en) * 2007-09-24 2009-03-26 4Front Engineered Solutions, Inc. Loading dock truck shelters
US20100146876A1 (en) * 2008-12-12 2010-06-17 4Front Engineered Solutions, Inc. Segmented dock seals for truck loading docks and associated systems and methods
US20100186318A1 (en) * 2009-01-26 2010-07-29 Eungard William C Loading dock truck and trailer seals and associated systems and methods
US9073710B1 (en) 2012-01-03 2015-07-07 4Front Engineered Solutions, Inc. Dock leveler sealing systems
US9434559B2 (en) * 2014-09-19 2016-09-06 Blue Giant Equipment Corporation Lightweight multi-layer foam dock seal system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US733071A (en) * 1903-01-15 1903-07-07 John N Mcgriff Weather-strip.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US733071A (en) * 1903-01-15 1903-07-07 John N Mcgriff Weather-strip.

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181205A (en) * 1962-06-19 1965-05-04 Dubuque Awning & Tent Co Pad structures
US3230675A (en) * 1963-09-04 1966-01-25 Dubuque Awning And Tent Co Dock pads with adjustable head pad
US3286417A (en) * 1965-07-28 1966-11-22 Errol P Dazzo Door-sealing device for truck dock
US3375625A (en) * 1967-05-24 1968-04-02 Medalist Ind Inc Door seal
US3500599A (en) * 1967-10-23 1970-03-17 Weathershield Corp Closure device
US3935684A (en) * 1974-12-12 1976-02-03 Dubugue Awning & Tent Company Loading dock shelters
US4038792A (en) * 1975-11-28 1977-08-02 W. B. Mcguire Co., Inc. Wear protector for truck dock door seal
US4070801A (en) * 1976-10-04 1978-01-31 Neal Larry O Flexible dock seal
US4333195A (en) * 1980-11-24 1982-06-08 Lichti Robert D Fire protective walkway apparatus
US5622016A (en) * 1993-10-07 1997-04-22 Rite-Hite Corporation Gutter and seal assembly
US6272799B1 (en) 1999-06-21 2001-08-14 Rite-Hite Holding Corporation Loading dock seal with adjustable mounting bracket
US6854224B2 (en) 2001-02-20 2005-02-15 Rite - Hite Holding Corporation Loading dock with vertically movable side pads
US20050102929A1 (en) * 2002-07-26 2005-05-19 Hoffmann David J. Seal for a loading dock bumper
US20050108961A1 (en) * 2003-11-26 2005-05-26 Chalfant Jeffrey R. Loading dock door seal
US7703245B2 (en) 2003-11-26 2010-04-27 Chalfant Sewing Fabricators, Inc. Loading dock door seal
US20080289270A1 (en) * 2003-11-26 2008-11-27 Chalfant Sewing Fabricators, Inc. Loading dock door seal
US7383664B2 (en) * 2003-11-26 2008-06-10 Chalfant Sewing Fabricators, Inc. Loading dock door seal
US20080104902A1 (en) * 2006-11-07 2008-05-08 Rite-Hite Holding Corporation Low profile support panel for a dock seal
US8353136B2 (en) 2006-11-07 2013-01-15 Rite-Hite Holding Corporation Low profile support panel for a dock seal
US20090064605A1 (en) * 2007-09-07 2009-03-12 Hoffman David J Dock seal with partially sliced foam core
WO2009032441A1 (en) * 2007-09-07 2009-03-12 Rite-Hite Holding Corporation Dock seal with partially sliced foam core
US20090077906A1 (en) * 2007-09-24 2009-03-26 4Front Engineered Solutions, Inc. Loading dock truck shelters
US20100146876A1 (en) * 2008-12-12 2010-06-17 4Front Engineered Solutions, Inc. Segmented dock seals for truck loading docks and associated systems and methods
US8307589B2 (en) 2008-12-12 2012-11-13 4Front Engineered Solutions, Inc. Segmented dock seals for truck loading docks and associated systems and methods
US8112949B2 (en) 2008-12-12 2012-02-14 4Front Engineered Solutions, Inc. Segmented dock seals for truck loading docks and associated systems and methods
US8181401B2 (en) 2009-01-26 2012-05-22 4Front Engineered Solutions, Inc. Loading dock truck and trailer seals and associated systems and methods
US20100186318A1 (en) * 2009-01-26 2010-07-29 Eungard William C Loading dock truck and trailer seals and associated systems and methods
US9073710B1 (en) 2012-01-03 2015-07-07 4Front Engineered Solutions, Inc. Dock leveler sealing systems
US9327922B2 (en) 2012-01-03 2016-05-03 4Front Engineered Solutions, Inc. Dock leveler sealing systems
US9434559B2 (en) * 2014-09-19 2016-09-06 Blue Giant Equipment Corporation Lightweight multi-layer foam dock seal system

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