# US 2021/0340786 A1 · Swimming pool chemical dispenser > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0340786 A1 - Document ID: US20210340786A1 - Status: Published application - Kind: A1 - Application number: 16/862,573 - Filed: 2020-04-30 - Published: 2021-11-04 - Earliest claimed: 2020-04-30 - Assignees: Ningbo Bonny E-Home Co., Ltd. - Applicants: Ningbo Bonny E-Home Co., Ltd. - Inventors: Hongchuan ZHANG - Web page: https://patentgrep.com/patent/US20210340786A1 ## CPC - E04H 4/1281: {Devices for distributing chemical products in the water of swimming pools} - G01K 13/026: {of moving liquids} - C02F 1/687: {Devices for dosing solid compounds} - C02F 1/688: {Devices in which the water progressively dissolves a solid compound} - G01K 1/14: Supports; Fastening devices; Arrangements for mounting thermometers in particular locations - C02F 2103/42: from bathing facilities, e.g. swimming pools - C02F 2209/02: Temperature - C02F 2303/04: Disinfection - E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D) - G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) ## Abstract The present invention discloses a swimming pool chemical dispenser, comprises a main body, an upper cover which covers the upper opening of the main body, an accommodating cavity for storing tablets is formed inside the main body; the swimming pool chemical dispenser further comprises a tablet clamp; the clamping end of the tablet clamp penetrates downward through the upper cover and abuts against the tablets, and the tablet clamp is provided with scales; the tablet clamp descends along with the dissolution of the tablets and displays the amount of residual chemical in the main body. The amount of residual chemical can be visually and reliably determined from the scales on the tablet clamp for timely refill; the tablet clamp is placed on the main body, thus makes it convenient for the user to replace the tablets bare-handed without touching the tablets, which is much safer and more environmentally friendly. ## Claims ### Claim 1 A swimming pool chemical dispenser, comprising a main body (1), an upper cover (2) which covers the upper opening of the main body (1), an accommodating cavity for storing tablets (5) is formed inside the main body (1); wherein the swimming pool chemical dispenser further comprises a tablet clamp (3); the clamping end of the tablet clamp (3) penetrates downward through the upper cover (2) and abuts against the tablets (5), and the tablet clamp (3) is provided with scales; the tablet clamp (3) descends along with the dissolution of the tablets (5) and displays the amount of residual chemical in the main body (1). ### Claim 2 (depends on 1) The swimming pool chemical dispenser of claim 1, wherein the main body (1) comprises a shell with an opening at the upper end, and the accommodating cavity is formed in the shell; the side wall of the shell is provided with at least one transparent window (8) for direct observation of the residual chemical amount. ### Claim 3 (depends on 2) The swimming pool chemical dispenser of claim 2, wherein the side wall of the shell is further provided with a thermometer (9) for detecting the water temperature. ### Claim 4 (depends on 3) The swimming pool chemical dispenser of claim 3, wherein the number of the transparent windows (8) is two, and the thermometer (9) is embedded within one of the two transparent windows (8). ### Claim 5 (depends on 2) The swimming pool chemical dispenser of claim 2, wherein a bottom cover (6) is screwed at the bottom of the shell, and the peripheral walls of the bottom cover (6) and the bottom of the shell are respectively provided with grid structures (7). ### Claim 6 (depends on 2) The swimming pool chemical dispenser of claim 2, wherein the shell comprises a barrel (11), an outer housing (12) sleeved outside the barrel (11), and a region for mounting a float (4) is formed between the barrel (11) and the outer housing (12). ### Claim 7 (depends on 1) The swimming pool chemical dispenser of claim 1, wherein the upper cover (2) comprises an outer cover (21) which covers the upper end of the shell, an inner cover (22) arranged in the inner circle formed in the outer cover (21), and a channel for the tablet clamp (3) to pass through is formed in the inner cover (22) in a penetrating mode. ### Claim 8 (depends on 7) The swimming pool chemical dispenser of claim 7, wherein the side wall of the inner circle of the outer cover (21) sinks inwardly to form an annular step surface, and the lower end of the outer edge of the inner cover (22) is placed on the annular step surface. ### Claim 9 (depends on 6) The swimming pool chemical dispenser of claim 6, wherein one side of the outer housing (12) is provided with a ring structure (13).