| 摘要 |
A spray ring includes an inner circumference and an outer circumference. A series of apertures are located between the inner and outer circumferences. The apertures are used for coupling the spray ring to a shower head. Three sets of g rooves are disposed along the outer circumference and a second set of grooves disposed along the inner circumference. Each set of grooves is angled to produce three differen t sprays. The inner grooves converge inwardly while the outer grooves diverge outwardly. T he grooves also taper to produce spray patterns of varying strengths. As the spray ring is moved laterally within the shower head, the sprays vary from coarse to needle. F urther, the spray ring may be moved entirely out of the shower head to flush deposits ou t of the ring.
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