Height adjustable shower waste

A height-adjustable shower waste for a bathroom floor having a non-flexible waterproof floor covering material, the shower waste comprising:

• a waste body (12) for mounting in the bathroom floor and having a base (20), one or more sides extending from the base (20), a waste water inlet (26), and a waste water outlet (30) connected or connectable to a drain;
• a cover support element (16) on which a cover element (18) is or can be provided to cover the waste water inlet (26);
• distance setting means (54, 66) for selectively setting a distance between an in use upper edge of the cover support element (16) and the waste body (12), the distance setting means comprising an arcuate rib (66) which is provided on one of the cover support element (16) and waste body (12), and a screw-thread (54) on the other one of the cover support element (16) and the waste body (12), the arcuate rib (66) being movable along the screw-thread to alter the distance between the upper edge of the support element (16) and the waste body (12);
• and
• retaining means (90, 104) for positively retaining the cover support element (16) at the said set distance, said retaining means comprising at least one locking tab (90) which is provided on one of the waste body (12) and the cover support element (16) and which is movable between a locked position at which the distance between the cover element (18) and the base (20) of the waste body is fixed, and an unlocked position at which the distance between the cover element (18) and the base (20) of the waste body is adjustable, and a plurality of spaced recesses (104) which are provided on the other one of the waste body (12) and the cover support element (16) and in which the locking tab (90) is receivable to hold the cover support element (16) at a fixed distance from the base (20) of the waste body.

A height-adjustable shower waste adapter device for use in combination with a flexible waterproof floor covering shower waste to form a height-adjustable shower waste as claimed in claim 1, the adapter comprising:

• a cover support element (16) on which a cover element (18) is or can be provided to cover the waste water inlet (26);
• an adapter element (14) for connection to the flexible waterproof floor covering shower waste and for supporting the cover support element (16);
• distance setting means (54, 66) for selectively setting a distance between an in use upper edge of the cover support element (16) and the adapter element (14), the distance setting means comprising an arcuate rib (66) which is provided on one of the cover support element (16) and the adapter element (14), and a screw-thread (54) on the other one of the cover support element (16) and the adapter element (14), the arcuate rib (66) being movable along the screw-thread to alter the distance between the upper edge of the support element (16) and the adapter element (14);
• and
• retaining means (90, 104) for positively retaining the cover support element (16) at the said set distance, said retaining means comprising at least one locking tab (90) which is provided on one of the cover support element (16) and the adapter element (14) and which is movable between a locked position at which the distance between the cover element (18) and the adapter element (14) is fixed, and an unlocked position at which the distance between the cover element (18) and the adapter element (14) is adjustable, and a plurality of spaced recesses (104) which are provided on the other one of the cover support element (16) and the adapter element and in which the locking tab (90) is receivable to hold the upper edge of the cover support element (16) at a fixed distance from the adapter element.