This kind of disposable toilet brush replacement head makes deep cleaning possible. When using it, just connect the brush head to the stick, then scrub it and throw away the replacement head. This kind of toilet brush can deeply clean and remove stubborn stains while eliminating bacteria, making the toilet look like a new one. Compared with ordinary toilet brushes, the cleaning effect is better and faster.
Xiaobian found through search that:
This kind of products have the risk of infringing the invention patents of the United States, Canada, Mexico and Australia.
The patent numbers are:
US7275276B2/CA2532315C/MX259716B/AU2004277893B2
The details of American patents are as follows:
Cleaning heads with cleaning substrates, cleaning compositions and accessories can be used to clean hard surfaces, including toilets, showers and bathrooms. The accessory can be connected to a cleaning tool. The cleaning surface of the cleaning substrate can be polygonal. By melting the fitting above its softening temperature, the fitting can be attached to the cleaning substrate.
The present invention relates to a cleaning head having an attachment fitting for attaching to a cleaning tool.
Claim:
A cleaning tool comprises a slender handle and a cleaning head; The accessory comprises a base with a bottom surface; A cleaning substrate having a top surface and a bottom surface, the top surface of the substrate being fixed to the bottom surface of the fitting; The accessory has a rod-like structure extending from and substantially perpendicular to the upper surface of the base for attachment to a handle and having an accessory edge attached to the cleaning substrate; Wherein the accessory is rotatably attached to the handle; The handle is connected to the engagement member such that the axis of the engagement member and the longitudinal axis of the handle are generally aligned, and wherein this alignment of the two axes is fixed during use of the cleaning tool; The clean head is adapted to be attache in any direction around an axis coincident with that axis of the rod-like structure and the handle.
A cleaning tool comprises a slender handle and a cleaning head; The accessory comprises a base with a bottom surface; A cleaning substrate having a top surface and a bottom surface, the top surface of the substrate being fixed to the bottom surface of the fitting; The fitting has an integral engagement member extending from and substantially perpendicular to the upper surface of the base; The handle is connected to the engagement member such that the axis of the engagement member and the longitudinal axis of the handle are substantially aligned, and wherein this alignment of the two axes is fixed during use of the cleaning tool; The clean head is adapted to be rotationally hin with respect to that handle about an axis coincident with the axes of the engagement member and the handle.
Patent summary:
1. The cleaning head comprises an accessory and a cleaning substrate, and the top surface of the substrate can be fixed to the bottom surface of the accessory;
2. Accessories include a base and a joint member, and the cleaning head can be rotationally hinged through the joint member and the handle.
Note that there is a risk of patent infringement if the above characteristics are met!
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