CA1190267A - Escape hatch mounting assembly - Google Patents

Escape hatch mounting assembly

Info

Publication number
CA1190267A
CA1190267A CA000414949A CA414949A CA1190267A CA 1190267 A CA1190267 A CA 1190267A CA 000414949 A CA000414949 A CA 000414949A CA 414949 A CA414949 A CA 414949A CA 1190267 A CA1190267 A CA 1190267A
Authority
CA
Canada
Prior art keywords
hatch
ring
bezel
opening
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000414949A
Other languages
French (fr)
Inventor
Ronald E. Sears
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1190267A publication Critical patent/CA1190267A/en
Expired legal-status Critical Current

Links

Landscapes

  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Seal Device For Vehicle (AREA)
  • Clamps And Clips (AREA)

Abstract

ABSTRACT
A vehicle escape hatch mounting assembly includes a hot stamped plastic mounting ring to be received in the hatch opening of the vehicle and to which the hatch is directly releasably connected with a trim bezel cooperating with the ring to finish off the opening.

Description

6~

This inven-tion relates -to escape hatches for vehicles and more particularly to an improved mounting arrangement for vehicle escape hatches.
Escape ha-tches for buses, vans, and -the li~e in recent years have been mounted in the hatch opening on an aluminum extru-sion formed into a square or rectangular shaped ring and secured within the hatch opening oE -the vehicle. Such rings have been of such large manufac-turing -tolerances that it has often been diffi-cult to effect a weather-tight seal between the ring and hatch. In addition, manufacturing tolerances for such rings and the somewhat flimsy construc-tion thereof has made i-t necessary to provide special mounting plates for the escape hatches. One such escape hatch is shown in United States Pa-tent 4,021,073, with -the mounting plates being designated at 22 and 122. Because of such plates, it is difficult to cover or conceal the rings with a trim molding, and therefore the hatch moun-ting has an "unfinished" appearance.
While it would be possible to manufacture an aluminum mounting ring of sufficiently close tolerances tha-t an effective weathertigh-t seal between the ring and the escape hatch could be made, the cost thereof would render the hatch very expensive.
Accordingly, I have sough-t to provide a moun-ting ring which will be of strong and durable construction and of sufficiently close manu-facturing tolerances -that an effective weather-tight seal between it and the hatch may be provided. In addition, I have sought to pro-vide a mounting ring which avoids the use of the aforesaid mounting plates and thus enables ready association with the ring of a trim molding to give a finished appearance to -the hatch Erame.
The invention provides in an assembly of the -type for -1- ~

mounting an outwardly opening hatch in a passenger vehicle enclosure or the like, said assembly including a mounting ring, said ring having an integral continuous sealing flange por-tion having one edge thereof disposed outwardly and laying in a common plane to form a hatch sealing edge, said mounting ring including a locating flange for cen-tering the sealing flange wi-th a vehicle hatch opening, said ring having an integral mounting flange portion extending laterally outwardly from the sealing flange portion for overlaying the outside marginal edge of the hatch opening, and a plurality of hinge devices respec-tively connected bo-th to the hatch and the mounting ring to permit -the hatch to be opened and closed relative to the vehicle hatch opening, each hinge device being disposed within the hatch opening and including a first member fixed to the interior of -the hatch, a plurality of hinge supporting elements integrally formed on and projecting laterally inwardly from said mounting ring, each hinge device including second members pivotally connec-ted to various of the mounting ring supporting elements to enable the hatch to be raised equidistantly above the hatch opening, the improvement comprising: a. a downwardly opening bezel receiving pocket formed in the sealing flange of the mounting ring, and b. a trim bezel of generally L-shaped configuration hav-ing a laterally extending first flange adapted to overlie the inner surface of the vehicle at the marginal edge of the opening in which the hatch mounting assembly is disposed, said bezel including a second flange projecting upwardly within the bezel receiving pocket of the mounting ring whereby the trim bezel conceals the edge of the hatch opening and trims the same.
The invention will further be described by way of example
- 2 -6~

only, with reference to the accompanying drawings, wherein:-Figure 1 is a perspective view of an escape hatch and myimproved mounting ring, showing the hatch in an open or ventilating position;
Figure 2 is a cross-sectional view taken on the line 2 - 2 of Figure 1, showing the hatch closed in solid outline and open in phantom outline;
Figure 3 is a cross-sec-tional view taken on the line
3 - 3 of Figure l;
Figure 4 is a -top view of the mounting ring; and Figure 5 is a cross-sec-tional view taken substantially on the line 5 - 5 of Figure 4.
~ s shown in Figure 1, the hatch 10 is mounted by a pair of hinge devices 12 and 14 on my improved mounting ring 16. The hatch is shown in the raised posi-tion. The details of construction of the hinge assemblies 12 and 14 are more particularly described in United States Pa-tent 4,021,073. Suffice it that each of such assemblies includes a pair of links 18 and 20 pivotally connected at one end to the hatch through plungers 22 and 24 and pla-te 25 and at the opposite end are connected to the mounting ring 16 as a-t 26 and 28. With the hatch in the raised position shown in Figure - 2a -1, actuation of a latch handle 30 enables release of the hinge assembly 12 so that the hatch may be swlmg upon the hinge assembly 14 to a Eully opened posi-tion, allowing a passenger in a vehicle in which the hatch is mounted to escape.
The hatch assembly is normally used Eor emergency exit purposes and for ventila-tion.
The hatch 10 is preferably formed of plastic and is provided with a central reinforcing area 32 having four large bosses or the like 34, 36, 38 and 40 integral with the hatch lid portion 42. The central portion 32 overhangs the vertical walls 44, 46, and complementary walls in opposite positions which are not visible from Figure 1 to provide finger-holds at the lips 48 and 50. A
sponge-like gasket 52 is disposed within a recess around the margin of the in-side of the hatch to bear against a sealing edge of the ring 16 as disclosed in Figures 2 and 3.
I have discovered that hatch 10 may be mounted in a vehicle enclosure such as in the roof or side wall without the necessity of the mounting plates 22 and 122 shown in United States Patent 4,021,073 and currently used to mount the links 18 and 20, and a reliable seal may be effected by the gasket 52 against the sealing edge of the ring 16, and the interior of the ring covered and con-cealed by a trim molding, if the ring 16 is made as hereinafter described. As shown in Figures 2 and 3, the vehicle enclosure, such as the roof 54, is provid-ed with a hatch opening 56 framed by structural channel members 58 of the vehicle which surround the opening. The hatch is mounted to cover this opening.
The hatch is mounted to cover this opening. To effect the mounting, the ring 16 is provided with a laterally extending continuous mounting flange 68 which extends completely around the ring and is secured to the roof 54 by fasteners 70 which extend through apertures 72 in the mounting flange 68 and are driven 6~

into the channel members 58. A suitable sealer 74 may be provided between the mounting flange 68 and the roof 54.
The ring 16 also has a continuous sealing flange portion 76 integral with the mounting flange portion 68. The sealing flange portion has an upwardly facing sealing edge 78 defined by a relatively narrow flat surface between a pair of bevels 80 and 82 at the upper edge of the sealing flange portion. The sealing edge 78 lies in a common plane and is adapted to abut the gasket 52 and lies outwardly of the roof 54 of the vehicle with the peripheral edge 84 of the hatch disposed outwardly of the sealing flange portion 76 as best shown in Fig-ures 2 and 3. The sealing flange portion is centered within the hatch opening 56. To facilitate this centering, a locating flange 57 is provided which enters the hatch opening. A peripherally continuous bezel receiving pocket 86 is dis-posed within the inner periphery of the sealing flange portion 76 and opens down-wardly as best shown in Figures 2 and 3. In addition, there are four bosses 88, 90, 92 and 94 formed integrally with the mounting ring into which the pivot members 26 and 28 are received. For this purpose each of the bosses may be drilled and tapped. The pivot members may comprise threaded elements which are screw threaded into the threaded holes in the bosses. It will be noted that the downwardly opening bezel receiving pocket is disposed laterally outside of the bosses.
A trim bezel 100 is adapted to overlie the hatch opening on the inside of the vehicle and cover and conceal the joint between the mounting ring and the hatch opening. The trim bezel is generally L-shaped in cross-section as sho~n in Figures ~ and 3, and includes a laterally extending leg 102 whose outer mar-ginal edge is channel shaped as at 104 to stiffen the margin and provide a sharp trimline where the bezel meets the headliner 106. The trim bezel is also ~o 6 ~

provided with a second leg 108 which projects upwardly and at its upper edge is received within the pocket 86. Fasteners 110 may be threaded through the trim bezel and into the channel 58 to secure the bezel in place. The length of the leg 108 may be trimmed to accommodate varying thicknesses of the roof between the headliner 106 and the bezel receiving pocket 86 of the ring.
The mounting ring 16 is preferably formed of a glass filled nylon sold under the trademark CARRON STX by Allied Chemical Company. This material is glass mat reinforced nylon which flows out during stamping and may be formed by the technique known as hot stamping, in which the material is placed between heated dies which are brought together to shape the material. The material may be preheated before being placed between the dies so that it will soften and conform to the configuration of the dies. In lieu of glass filled nylon, glass filled polypropylene may be used9 and such material is sold unde-r the trademark AZDEk by PPG. In both cases the glass is in the form of glass fibers woven in a mat and laminated with the nylon or polypropylene. This is to be distinguished from a glass filled injection molding compound in which the fibers are indepen-dently and randomly aligned in lengths up to 1/4" long. In the material I pre-fer, the nylon woven into a mat is distributed throughout the part. The re-sultant structure when hot stamped using glass fiber filled nylon provides a tough, dimensionally stable, structurally strong mounting ring to which the hatch links 18 and 20 may be directly connected.
Another family of structural or high strength plastics which may be used are the polycarbonates marketed by General Electric under its LEXAN trade-mark. Thc LEXAN materials may be used with or without a reinforcing glass filler. In the case of LEXAN, the ring would be injection molded and, if re-inforced, the filler would be randomly aligned glass fibers in lengths up to 1/4" long.
The trim bezel is pre-ferably vacuum formed of NORYL ~trademark), a ~lame resistant plastic sold by General Electric Company meeting ASTME 162 speci-fication. The trim bezel may be formed in various colors to complement the color of the headlining 106.

Claims (6)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. In an assembly of the type for mounting an outwardly opening hatch in a passenger vehicle enclosure or the like, said assembly including a mounting ring, said ring having an integral continuous sealing flange portion having one edge thereof disposed outwardly and laying in a common plane to form a hatch sealing edge, said mounting ring including a locating flange for centering the sealing flange with a vehicle hatch opening, said ring having an integral mounting flange portion extending laterally outwardly from the sealing flange portion for overlaying the outside marginal edge of the hatch opening, and a plurality of hinge devices respec-tively connected both to the hatch and the mounting ring to permit the hatch to be opened and closed relative to the vehicle hatch opening, each hinge device being disposed within the hatch opening and including a first member fixed to the interior of the hatch, a plurality of hinge supporting elements integrally formed on and projecting laterally inwardly from said mounting ring, each hinge device including second members pivotally connected to various of the mounting ring supporting elements to enable the hatch to be raised equidistantly above the hatch opening, the improvement comprising:
a. a downwardly opening bezel receiving pocket formed in the sealing flange of the mounting ring, and b. a trim bezel of generally L-shaped configuration having a laterally extending first flange adapted to overlie the inner surface of the vehicle at the marginal edge of the opening in which the hatch mounting assembly is disposed, said bezel including a second flange projecting upwardly within the bezel receiving pocket of the mounting ring whereby the trim bezel con-ceals the edge of the hatch opening and trims the same.
2. In an assembly of the type set forth in Claim 1 wherein the bezel pocket is disposed laterally between the hinge supporting elements and the locating flange and extends above the laterally extending ring flange.
3. In an assembly of the type set forth in Claim 2 wherein the second bezel flange projects upwardly through the hatch opening and terminates within the bezel pocket above the laterally extend-ing ring flange.
4. In an assembly of the type set forth in Claim 1 wherein the hinge supporting elements comprise two pairs of transversely aligned bosses.
5. In an assembly of the type as set forth in Claim 1, 2 or 3 wherein the mounting ring is formed of high strength, rigid plastic material from the group consisting of nylon, polypropylene and polycarbonate.
6. In an assembly of the type as set forth in Claim 1, 2 or 3 wherein the mounting ring is formed of high strength, rigid plastic material from the group consisting of nylon, polypropylene and polycarbonate, and wherein the trim bezel is formed of a plastic material relatively softer than the plastic ring material.
CA000414949A 1981-11-04 1982-11-04 Escape hatch mounting assembly Expired CA1190267A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31794481A 1981-11-04 1981-11-04
US317,944 1981-11-04

Publications (1)

Publication Number Publication Date
CA1190267A true CA1190267A (en) 1985-07-09

Family

ID=23235941

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000414949A Expired CA1190267A (en) 1981-11-04 1982-11-04 Escape hatch mounting assembly

Country Status (4)

Country Link
JP (2) JPS58136517A (en)
BR (1) BR8206392A (en)
CA (1) CA1190267A (en)
HU (1) HU185589B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5519620A (en) * 1978-07-25 1980-02-12 Production Research Inc Ventilating device hutch assembled body

Also Published As

Publication number Publication date
HU185589B (en) 1985-02-28
JPS58136517A (en) 1983-08-13
BR8206392A (en) 1983-09-27
JPS6432221U (en) 1989-02-28

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