# US 11,997,985 B2 · Pet foot washer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,997,985 B2 - Document ID: US11997985B2 - Status: Granted - Kind: B2 - Application number: 17/881,581 - Filed: 2022-08-04 - Published: 2023-12-21 - Granted: 2024-06-04 - Earliest claimed: 2022-06-15 - Assignees: Shenzhen Uah Technology Co., Ltd - Applicants: Shenzhen Uah Technology Co., Ltd - Inventors: Qiang Geng; Shengbo Lu; Baihua Luo; Weixin Luo; Shen Tian - Web page: https://patentgrep.com/patent/US11997985B2 ## CPC - A01K 13/001: {Washing, cleaning, or drying devices (for veterinary purposes A61D7/00, A61D11/00)} - A01K 13/00: Devices for grooming or caring of animals, e.g. curry-combs; Fetlock rings; Tail-holders (as part of the harness B68B5/04); Devices for preventing crib-biting; Washing devices; Protection against weather conditions or insects - Y02B 40/00: Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers - A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract The application belongs to the technical field of pet instruments, in particular to a pet foot washer. The washer comprises a drive assembly and a cleaning bucket with a cleaning space; the drive assembly comprises a drive part, a wave transmission component, an installation block, an output shaft, a first drive pin and a second drive pin; a first end face and a second end face of the wave transmission component are both wave surfaces, the drive part is installed on the installation block, an output end of the drive part is connected with the wave transmission component, the wave transmission component is connected with the cleaning bucket through the output shaft; the first drive pin and the second drive pin are both rotatably installed on the installation block, and the wave transmission component is installed between the first drive pin and the second drive pin. ## Claims ### Claim 1 A pet foot washer, comprising a drive assembly and a cleaning bucket with a cleaning space; the drive assembly comprises a drive part, a wave transmission component, an installation block, an output shaft, a first drive pin and a second drive pin; a first end face and a second end face of the wave transmission component are both wave surfaces, the drive part is installed on the installation block, an output end of the drive part is connected with the wave transmission component, the wave transmission component is connected with the cleaning bucket through the output shaft; the first drive pin and the second drive pin are both rotatably installed on the installation block, and the wave transmission component is installed between the first drive pin and the second drive pin. ### Claim 2 (depends on 1) The pet foot washer of claim 1, wherein the first drive pin is provided with a first tapered part abutting against the first end face, and a cross-sectional area of the first tapered part gradually decreases in a direction toward a center of the wave transmission component; and the second drive pin is provided with a second tapered part abutting against the second end face, and a cross-sectional area of the second tapered part gradually decreases in a direction toward a center of the wave transmission component. ### Claim 3 (depends on 2) The pet foot washer of claim 2, wherein an axis of the first tapered part and an axis of the second tapered part both intersect with an axis of the wave transmission component. ### Claim 4 (depends on 1) The pet foot washer of claim 1, wherein both the first end face and the second end face are sine wave faces or cosine wave faces. ### Claim 5 (depends on 1) The pet foot washer of claim 1, wherein the drive assembly further comprises a slide bar, a bottom plate and a top plate, and the bottom plate and the top plate are both installed on the output shaft; the installation block is also provided with a slide hole, the slide bar is connected between the bottom plate and the top plate, and the installation block is slidably installed on the slide bar through the slide hole. ### Claim 6 (depends on 1) The pet foot washer of claim 1, wherein the wave transmission component is a wave gear, and the drive assembly further comprises a drive gear rotatably mounted on the installation block, the output end of the drive part is connected to the drive gear, and the drive gear meshes with the wave gear. ### Claim 7 (depends on 6) The pet foot washer of claim 6, wherein the installation block is provided with a first receiving groove, and a second receiving groove communicating with the first receiving groove; the drive gear is installed in the first receiving groove, and the wave gear is installed in the second receiving groove. ### Claim 8 (depends on 1) The pet foot washer of claim 1, wherein the pet foot washer further comprises an installation seat provided with an installation space, and the drive assembly is installed in the installation space. ### Claim 9 (depends on 1) The pet foot washer of claim 1, wherein the cleaning bucket comprises a bucket body with the cleaning space and a brush installed in the cleaning space; and the output shaft is connected with the bucket body or the brush. ### Claim 10 (depends on 1) The pet foot washer of claim 1, wherein the cleaning bucket is provided with a groove, an inner wall of the groove is provided with an insertion part, an end of the output shaft away from the wave gear is provided with an insertion hole, the output shaft is inserted into the groove, and the insertion part is inserted into the insertion hole.