US3637254A — Windshield construction

Claim 1

Independent Claim 315 words

Means for mounting a screen member onto a receiving surface at a given and substantial angle with respect thereto and along a predetermined line on said surface, comprising a striplike member adapted to rest against said surface along said predetermined line, said striplike member including a groove for receiving an edge of said screen member to position said screen member in mounted position on said receiving surface at said substantial angle relative thereto, and means to mount said striplike member on said surface, said means including mechanical fastening means extending through the bottom edge of said screen member and the bottom of said groove of said striplike member and adapted to retain said screen member in mounted position in said groove extending at said substantial angle relative to said surface and to retain said striplike member between the bottom edge of said screen member and said surface. 2. Mounting means for retaining a screen member on the receiving wall of a body at a given angle, said mounting means acting solely upon a narrow band portion of said screen member at one of its edges, and comprising a striplike member of flexible material and mechanical fastening means extending through said striplike member and adapted to retain said striplike member between said one edge of said screen member and said receiving wall; said striplike member being in the form of an elongated body having a relatively deep and narroW groove along the length of said body for receiving said narrow band; said screen member having a series of spaced apart perforations at said band portion for receiving therein said mechanical fastening means, said fastening means including a head portion is disposed within said striplike member, the end of said fastening means opposite said head portion extending through the bottom of the groove of said striplike member and being releasably connected to said wall of said body.

Claim 2

Dependent Claim 315 words

Means for mounting a screen member onto a receiving surface at a given and substantial angle with respect thereto and along a predetermined line on said surface, comprising a striplike member adapted to rest against said surface along said predetermined line, said striplike member including a groove for receiving an edge of said screen member to position said screen member in mounted position on said receiving surface at said substantial angle relative thereto, and means to mount said striplike member on said surface, said means including mechanical fastening means extending through the bottom edge of said screen member and the bottom of said groove of said striplike member and adapted to retain said screen member in mounted position in said groove extending at said substantial angle relative to said surface and to retain said striplike member between the bottom edge of said screen member and said surface. 2. Mounting means for retaining a screen member on the receiving wall of a body at a given angle, said mounting means acting solely upon a narrow band portion of said screen member at one of its edges, and comprising a striplike member of flexible material and mechanical fastening means extending through said striplike member and adapted to retain said striplike member between said one edge of said screen member and said receiving wall; said striplike member being in the form of an elongated body having a relatively deep and narroW groove along the length of said body for receiving said narrow band; said screen member having a series of spaced apart perforations at said band portion for receiving therein said mechanical fastening means, said fastening means including a head portion is disposed within said striplike member, the end of said fastening means opposite said head portion extending through the bottom of the groove of said striplike member and being releasably connected to said wall of said body.

Claim 3

Dependent Claim 219 words

The combination of a rigid, thin sheet member capable of substantial elastic deformations, and mounting means used to retain the lower edge of said sheet member onto the receiving surface of a thin walled body at a predetermined angle and along a given line of said surface, and acting upon said sheet member exclusively upon a relatively narrow band portion thereof adjacent said surface; the said mounting means comprising a flexible moulding strip having an elongated longitudinally extending slot adapted to receive at least a portion of said band portion of said sheet member, said moulding strip being adapted to rest upon said surface in a stable condition; and at least two mechanical fastening means interconnecting adjacent points of said sheet member and said receiving surface at spaced-apart locations along said given line in such a manner as to oppose any traction normal to said moulding strip and in the plane of said sheet member, which is less than a predetermined value; each said fastening means comprising a head portion anchored onto said sheet member and disposed within the inside of said moulding strip, and at least one leg portion mechanically joined with said head portion and projecting through the bottom of said moulding strip and the wall of said body; said leg portion being retained to said wall.

Claim 4

Dependent Claim 219 words

The combination of a rigid, thin sheet member capable of substantial elastic deformations, and mounting means used to retain the lower edge of said sheet member onto the receiving surface of a thin walled body at a predetermined angle and along a given line of said surface, and acting upon said sheet member exclusively upon a relatively narrow band portion thereof adjacent said surface; the said mounting means comprising a flexible moulding strip having an elongated longitudinally extending slot adapted to receive at least a portion of said band portion of said sheet member, said moulding strip being adapted to rest upon said surface in a stable condition; and at least two mechanical fastening means interconnecting adjacent points of said sheet member and said receiving surface at spaced-apart locations along said given line in such a manner as to oppose any traction normal to said moulding strip and in the plane of said sheet member, which is less than a predetermined value; each said fastening means comprising a head portion anchored onto said sheet member and disposed within the inside of said moulding strip, and at least one leg portion mechanically joined with said head portion and projecting through the bottom of said moulding strip and the wall of said body; said leg portion being retained to said wall.

Claim 5

Dependent Claim 47 words

The combination defined in claim 4 wherein the leg portion of each fastening means extends through the bottom of said moulding strip, with the tip of said leg portion passing through a narrow perforation in said wall and being bent against the inside surface of said wall.

Claim 6

Dependent Claim 48 words

The combination defined in claim 4 wherein each fastening means incorporates two leg portions which extend through the bottom of said moulding strip and through said wall; said legs being bent in opposite direction with respect to one an other and against the inside surface of said wall.

Claim 7

Dependent Claim 193 words

A windshield for snowmobiles, comprising a screen member made of transparent plastic material, a moulding strip made of rubber and adapted to receive the lower band portion of said screen member, a receiving surface on the body of said snowmobile, said receiving surface presenting a generally U-shaped formation curved across the upper portion of the snowmobile nose and defining the curvature of said band portion of said screen member, and mechanically fastening means acting upon said screen member and being anchored to the inside surface of the snowmobile nose; the said moulding strip being in the form of an elongated element having a generally constant cross section and comprising a lower portion adapted to be received in and to conform to said U-shaped formation and an upper portion integral with said lower portion and presenting a slot extending along the length of said element and corresponding generally to the length of said band portion of said screen member; the said moulding strip being at least partially hollow, with the inside thereof in communication with said slot thereby to permit said base portion of said screen member to be inserted into said moulding strip.

Claim 8

Dependent Claim 193 words

A windshield for snowmobiles, comprising a screen member made of transparent plastic material, a moulding strip made of rubber and adapted to receive the lower band portion of said screen member, a receiving surface on the body of said snowmobile, said receiving surface presenting a generally U-shaped formation curved across the upper portion of the snowmobile nose and defining the curvature of said band portion of said screen member, and mechanically fastening means acting upon said screen member and being anchored to the inside surface of the snowmobile nose; the said moulding strip being in the form of an elongated element having a generally constant cross section and comprising a lower portion adapted to be received in and to conform to said U-shaped formation and an upper portion integral with said lower portion and presenting a slot extending along the length of said element and corresponding generally to the length of said band portion of said screen member; the said moulding strip being at least partially hollow, with the inside thereof in communication with said slot thereby to permit said base portion of said screen member to be inserted into said moulding strip.

Claim 9

Dependent Claim 113 words

The windshield defined in claim 7 wherein said fastening means is formed of a length of sheet metal strip, of which the middle portion is adapted to be located in a perforation at said band portion of said screen member, with the lateral portions of each length being bent against said screen member towards the nearest edge thereof; the ends of said lateral portions projection beyond said edge of said screen member through said moulding strip and through perforations in the bottom of said U-shaped formation; the projecting tips of said length of sheet metal strip being bent outwardly with respect to one an other against the inside surface of said U-shaped formation.

Claim 10

Dependent Claim 45 words

The windshield defined in claim 8 wherein said moulding strip comprises two cavities extending along the length of said moulding strip, one of said cavities communicating with said slot thereby defining a narrow relatively deep channel for receiving said band portion of said screen member.

Claim 11

Dependent Claim 217 words

The windshield defined in claim 8 wherein said U-shaped formation is formed of a generally flat, perforated bottom surface depending from two lateral outwardly flaring surfaces which meet the outside surface of said snowmobile nose; the perforations in said bottom surface being spaced apart so as to correspond with the spacing of said perforations of said screen member. 10 A moulding strip for mounting a screen member at a predetermined angle on the outside surface of a receiving wall, said moulding strip being shaped as a elongated element having a generally constant cross-section and comprising a lower portion integral with an upper portion along a longitudinal plane through said moulding strip; said lower portion comprising two lateral walls flaring outwardly and projecting towards said upper portion, said upper portion presenting an external surface which extends along the length of said moulding strip but which projects beyond said lateral walls whereby to overhand the sides of said lower portion; said external surface presenting an elongated and narrow slot which communicates with a relatively deep cavity within said elongated element whereby to enable the lower band portion of said screen member to be disposed within said moulding strip; the length and width of said slot corresponding generally to the associated dimensions of said base portion of said screen member.

Claim 12

Dependent Claim 34 words

The moulding strip defined in claim 11, made of rubber material, wherein said external surface is transversally curved downwardly whereby to terminate the sides of said upper portion with two thin sealing lip portions.

Claim 13

Dependent Claim 31 words

The moulding strip defined in claim 12 wherein said lower portion of said elongated element incorporates a series of spaced-apart longitudinally aligned slits for receiving the leg portions of mechanical fasteners.

Claim 14

Independent Claim 169 words

A method of assembling a windshield on a snowmobile cowl comprising the steps of: a. disposing the middle portion of a length of sheet metal strip in each perforation of the windshield screen member said perforations being distributed along the base portion of said screen member, and folding the lateral portions of each length against the screen member towards the nearest edge of said screen member; b. inserting the base portion of said screen member in the receiving groove of a moulding strip, with the ends of the lateral portions of said lengths projecting through the bottom of said receiving groove; c. disposing the assembly of said screen member moulding strip and lengths of metal strip along a given line on the surface of the snowmobile cowl, with said lateral portions projecting through respective slots in the wall of said snowmobile cowl; and d. bending the tips of said lateral portions of each said length away from one another against the inside surface of the wall of said cowl.

Claim 15

Independent Claim 169 words

A method of assembling a windshield on a snowmobile cowl comprising the steps of: a. disposing the middle portion of a length of sheet metal strip in each perforation of the windshield screen member said perforations being distributed along the base portion of said screen member, and folding the lateral portions of each length against the screen member towards the nearest edge of said screen member; b. inserting the base portion of said screen member in the receiving groove of a moulding strip, with the ends of the lateral portions of said lengths projecting through the bottom of said receiving groove; c. disposing the assembly of said screen member moulding strip and lengths of metal strip along a given line on the surface of the snowmobile cowl, with said lateral portions projecting through respective slots in the wall of said snowmobile cowl; and d. bending the tips of said lateral portions of each said length away from one another against the inside surface of the wall of said cowl.

Claim 16

Dependent Claim 23 words

The method defined in claim 14 wherein said cowl incorporates a U-shaped formation adapted to receive the lower portion of said moulding strip.

Claim 17

Dependent Claim 157 words

A moulding strip for mounting a screen member at a predetermined angle on the outside surface of a receiving wall, said moulding strip being shaped as a elongated element having a generally constant cross section and comprising a lower portion integral with an upper portion along a longitudinal plane through said moulding strip; said lower portion comprising two lateral walls flaring outwardly and projecting towards said upper portion, said upper portion presenting an external Surface which extends along the length of said moulding strip but which projects beyond said lateral walls whereby to overhang the sides of said lower portion; said external surface presenting an elongated and narrow slot to enable the lower band portion of said screen member to be disposed within said moulding strip; the length and width of said slot corresponding generally to the associated dimensions of said base portion of said screen member, said slot extending through said plane into said lower portion.

Claim 18

Dependent Claim 157 words

A moulding strip for mounting a screen member at a predetermined angle on the outside surface of a receiving wall, said moulding strip being shaped as a elongated element having a generally constant cross section and comprising a lower portion integral with an upper portion along a longitudinal plane through said moulding strip; said lower portion comprising two lateral walls flaring outwardly and projecting towards said upper portion, said upper portion presenting an external Surface which extends along the length of said moulding strip but which projects beyond said lateral walls whereby to overhang the sides of said lower portion; said external surface presenting an elongated and narrow slot to enable the lower band portion of said screen member to be disposed within said moulding strip; the length and width of said slot corresponding generally to the associated dimensions of said base portion of said screen member, said slot extending through said plane into said lower portion.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1975-01-24	1975-07-26	1976-01-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1979-01-24	1979-07-26	1980-01-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1983-01-24	1983-07-26	1984-01-25	$7700.00	Window Closed / Lapsed

Windshield construction

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