Slider Shoe Fitting
AssigneeRiver Sailing Dinghies Limited
InventorChristopher Winnington-Ingram
Life of this patent
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Abstract
A slider shoe fitting for a gnav assembly (8) for exerting a downward force on a boom (5). The slider shoe fitting comprises a boom slider (10) for sliding along an upper portion of a surface of a boom, and a strut portion for forming at least part of a strut of the gnav assembly (8). The boom slider (10) comprises a body portion (11) and a plurality of upstanding portions (15). The body portion (11) and upstanding portions (15) are of a single piece of material. The strut portion is pivotally mounted to the plurality of upstanding portions (15).
Claims21
A slider shoe fitting for a gnav assembly for exerting a downward force on a boom;
- the slider shoe fitting comprising a boom slider for sliding along an upper portion of a surface of a boom, and a strut portion for forming at least part of a strut of the gnav assembly;
- wherein the boom slider comprises a body portion and a plurality of upstanding portions, the body portion and upstanding portions being of a single piece of material;
- and wherein the strut portion is pivotally mounted to the plurality of upstanding portions.
A gnav assembly having a strut for exerting a downward force on a boom, the gnav assembly comprising a slider shoe fitting, the slider shoe fitting comprising a boom slider for sliding along an upper portion of a surface of a boom, and a strut portion which forms at least part of the strut in the gnav assembly, wherein the boom slider comprises a body portion and a plurality of upstanding portions, the body portion and upstanding portions being of a single piece of material, and wherein the strut portion is pivotally mounted to the plurality of upstanding portions.
Rigging for a vehicle, the rigging comprising a mast, a boom and a gnav assembly having a strut for exerting a downward force on the boom, the gnav assembly comprising a slider shoe fitting, the slider shoe fitting comprising a boom slider for sliding along an upper portion of a surface of the boom, and a strut portion which forms at least part of the strut in the gnav assembly, wherein the boom slider comprises a body portion and a plurality of upstanding portions, the body portion and upstanding portions being of a single piece of material, and wherein the strut portion is pivotally mounted to the plurality of upstanding portions;
- wherein an underside of the body portion has a shape corresponding to an upper portion of the surface of the boom.
A method of making a boom slider comprising the steps of:
- cutting a flat sheet of material;
- bending at least two portions of the material away from the sheet material, towards the same side of the sheet, to form upstanding portions;
- bending the sheet material so that it curves away from the upstanding portions so as to have a shape corresponding to an upper portion of a surface of a boom;
- and
- introducing creases at the join between the upstanding portions and the bent sheet material to strengthen the upstanding portions.
Dependencies are inferred from the claim text.