Fixing washer
AssigneeTile Fixer Limited
InventorAndrew Hilton
Life of this patent
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Abstract
A fixing washer comprising: an outer portion and an inner portion, the outer portion is radially outward of the inner portion and the inner portion defines a recessed region which is arranged, in use, to receive a head of a fastener, and the washer also comprises a number of channels, each of said channels extends though the inner portion and the outer portion.
Claims9
A fixing washer comprising:
- an outer portion and an inner portion,
- a junction portion which connects the inner portion to the outer portion,
- the outer portion is radially outward of the inner portion, and is of domed configuration,
- and the inner portion defines a recessed region which is arranged, in use, to receive a head of a fastener, and
- the washer also comprises a number of channels, each of said channels extends through the inner portion, the junction portion and the outer portion.
A fixing washer as claimed in any preceding claim in which the inner portion comprises a countersink.
A fixing washer as claimed in any preceding claim in which the inner portion is of substantially frusto-conical shape.
A fixing washer as claimed in any preceding claim in which the outer portion is arranged to have resilient flexure.
A fixing washer as claimed in any preceding claim in which the outer portion is arranged to adopt a flatter shape or configuration in the in-use condition, as compared to the non-use condition.
A fixing washer as claimed in any preceding claim in which the washer comprises two opposing sides and in use, one side arranged to face a structure which the washer serves to secure the place and the opposite side arranged to face away from said structure.
Dependencies are inferred from the claim text.