Hinge structure for a cooking-grill construction

Claim 2

A cooking grill comprising an open top-heated receptacle, a cover to enclose the open top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle which permits displacement of the cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon and mortise connection held in engagement by the weight of the cover and separable for removing the cover entirely from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly of the connection the tenon and mortise connection comprising an open top trough-shaped mortise at the rear of the receptacle with a convex tenon projecting downwardly from the cover, whereby when the hinge connection is assembled the tenon portion rests in the mortise portion, the keeper hanging by force of gravity in a position extending below the connection to block disassembly of the connection and movable from the hanging position to a position permitting disassembly of the connection.

Claim 3

A cooking grill comprising an open top-heated receptacle, a cover to enclose the top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle which permits displacement of the cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon and mortise connection held in engagement by the weight of the cover and separable for removing the cover entirely from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly of the connection, the tenon and mortise connection comprising an open top trough-shaped mortise at the rear of the receptacle engageable with a convex tenon portion projecting downwardly from the cover, whereby when the hinge connection is assembled the tenon portion rests in the mortise portion said keeper being pivotally mounted on a pivot approximately concentric with the arc of curvature of the convex tenon portion and extending downwardly when held by gravity to engage a portion of the receptacle below the portion of the trough-shaped mortise engageable with the convex tenon portion and block disassembly of the connection.

Claim 4

A cooking grill comprising an open top-heated receptacle, a cover to enclose the top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle which permits displacement of the cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon and mortise connection held in engagement by the weight of the cover and separable for removing the cover entirely from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly of the connection, the tenon and mortise connection comprising an open top trough-shaped mortise at the rear of the receptacle engageable with a convex tenon portion projecting downwardly from the cover, whereby when the hinge connection is assembled the tenon portion rests in the mortise portion said keeper being pivotally mounted on a pivot approximately concentric with the arc of curvature of the convex tenon portion and extending downwardly when held by gravity to engage a portion of the receptacle below the portion of the trough-shaped mortise engageable with the convex tenon portion and block disassembly of the connection.

Claim 5

A cooking grill comprising an open top-heated receptacle, cover to enclose the open top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle which permits displacement to cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon and mortise connection held in engagement by the weight of the cover and separable for removing the cover entirely from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly at the connection the hinge means being divided into two separate hinges each with a separable tenon and mortise in axial alignment with each other and a keeper, the keeper being positioned on opposite sides Of the hinges to restrain axial displacement of the tenons with respect to the mortises and thereby restrain lateral displacement of the cover relative to the receptacle.

Claim 6

A cooking grill comprising an open top-heated receptacle, cover to enclose the open top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle which permits displacement to cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon and mortise connection held in engagement by the weight of the cover and separable for removing the cover entirely from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly at the connection the hinge means being divided into two separate hinges each with a separable tenon and mortise in axial alignment with each other and a keeper, the keeper being positioned on opposite sides Of the hinges to restrain axial displacement of the tenons with respect to the mortises and thereby restrain lateral displacement of the cover relative to the receptacle.

Claim 7

A cooking grill comprising an open top-heated receptacle, a cover to enclose the open top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle with which permits displacement of the cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon mortise connection held in engagement by the weight of the cover and separable for removing the cover strictly from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly of the connection the tenon and mortise connection comprising an open top trough-shaped mortise at the rear of the receptacle engageable with a convex tenon portion projecting downwardly from the cover, whereby when the hinge connection is assembled the tenon portion rests in the mortise portion, said keeper being pivotally mounted on a pivot approximately concentric with the arc of curvature of the convex tenon portion and extending downwardly when held by gravity to engage a portion of the receptacle below the portion of the trough-shaped mortise engageable with the convex tenon portion and block disassembly of the connection, the keeper being ''''L''''-shaped, with the ''''L''''-shape formed by a vertical part of the keeper which engages the portion of the receptacle below the portion of the trough-shaped mortise to block disassembly of the connection.

Claim 8

A cooking grill comprising an open top-heated receptacle, a cover to enclose the open top of the receptacle and a handle projecting from the cover to facilitate manual displacement of the cover relative to the receptacle for both covering and uncovering of the receptacle, hinge means provided between the cover and the receptacle with which permits displacement of the cover relative to the receptacle through an arc of movement, the hinge means comprising a tenon mortise connection held in engagement by the weight of the cover and separable for removing the cover strictly from the receptacle, a keeper in position adjacent a tenon and mortise connection to maintain assembly of the connection the tenon and mortise connection comprising an open top trough-shaped mortise at the rear of the receptacle engageable with a convex tenon portion projecting downwardly from the cover, whereby when the hinge connection is assembled the tenon portion rests in the mortise portion, said keeper being pivotally mounted on a pivot approximately concentric with the arc of curvature of the convex tenon portion and extending downwardly when held by gravity to engage a portion of the receptacle below the portion of the trough-shaped mortise engageable with the convex tenon portion and block disassembly of the connection, the keeper being ''''L''''-shaped, with the ''''L''''-shape formed by a vertical part of the keeper which engages the portion of the receptacle below the portion of the trough-shaped mortise to block disassembly of the connection.