# US 10,869,456 B2 · Pet stroller with foldable access ramp assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,869,456 B2 - Document ID: US10869456B2 - Status: Granted - Kind: B2 - Application number: 16/258,463 - Filed: 2019-01-25 - Published: 2020-07-30 - Granted: 2020-12-22 - Earliest claimed: 2019-01-25 - Applicants: Brandon Cheung - Inventors: Brandon Cheung - Web page: https://patentgrep.com/patent/US10869456B2 ## CPC - A01K 1/0035: {Transportable or mobile animal shelters} - A01K 1/0236: {Transport boxes, bags, cages, baskets, harnesses for animals; Fittings therefor (for poultry A01K31/002; Transportable cages, e.g. for pigeons A01K31/07)} - A01K 1/0272: {Boxes, bags, cages, baskets, harnesses especially adapted for transport in or on automobiles} - A01K 1/035: Devices for use in keeping domestic animals, e.g. fittings in housings or dog beds - A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS ## Abstract A pet stroller includes a supporting frame and a foldable access ramp assembly, wherein the supporting frame includes a supporting platform for a pet lying thereon. The foldable access ramp assembly, which is provided at the supporting frame, includes a ramp member slidably coupled at the supporting frame and being moved in a storage position that the ramp member is supported underneath the supporting platform, and an extension position that the ramp member is slid out frontwardly to extend from the supporting platform for the pet easily accessing in-and-out from the supporting platform. ## Claims ### Claim 1 A pet stroller for a pet, comprising: a supporting frame which comprises a supporting platform for the pet lying thereon, a wheel frame coupled at said supporting frame; and a foldable access ramp assembly provided at said supporting frame, wherein said foldable access ramp assembly comprises a ramp member slidably coupled at said supporting frame and being moved in a storage position that said ramp member is supported underneath said supporting platform, and an extension position that said ramp member is slid out frontwardly to extend from said supporting platform for the pet easily accessing in-and-out from said supporting platform, wherein said foldable access ramp assembly further comprises a front gate pivotally coupled at a front edge of said ramp member, wherein said front gate is downwardly and pivotally folded to extend from said ramp member at said extension position and is upwardly and pivotally folded from said ramp member at said storage position to form a front guide of said supporting frame. ### Claim 2 (depends on 1) The pet stroller of claim 1, wherein said foldable access ramp assembly further comprises two sliding tracks provided at two sides of said supporting frame respectively and extended underneath said supporting platform, and at least two sliding members sidewardly extended from two side edges of said ramp member to slidably engage with said sliding tracks respectively, so as to guide said ramp member to slide between said storage position and said extension position. ### Claim 3 (depends on 2) The pet stroller of claim 2, wherein said each of said sliding tracks has a front stopper end, wherein said ramp member is frontwardly slid to slidably move said sliding members along said sliding tracks until said sliding members are blocked at said front stopper ends thereof to prevent said ramp member being detached from said supporting frame. ### Claim 4 (depends on 3) The pet stroller of claim 3, wherein said ramp member is pivotally extended from said supporting frame when said ramp member is moved at said extension position to selectively adjust an angle between said ramp member and said supporting platform. ### Claim 5 (depends on 4) The pet stroller of claim 4, wherein said sliding members are extended close to a rear edge of said ramp member. ### Claim 6 (depends on 5) The pet stroller of claim 5, wherein said foldable access ramp assembly further comprises two platform supporters extended from said sliding tracks respectively to support a front edge portion of said ramp member when said ramp member is moved at said storage position. ### Claim 7 (depends on 6) The pet stroller of claim 6, wherein said ramp member comprises a first telescopic member slidably coupled at said supporting frame, and a second telescopic member slidably coupled at said first telescopic member in a retractable manner to selectively adjust an extension length of said ramp member. ### Claim 8 (depends on 1) The pet stroller of claim 1, wherein said ramp member comprises a first telescopic member slidably coupled at said supporting frame, and a second telescopic member slidably coupled at said first telescopic member in a retractable manner to selectively adjust an extension length of said ramp member. ### Claim 9 (depends on 1) The pet stroller of claim 1, wherein said supporting frame further comprises two side boundary members upwardly extended from two sides of said supporting platform, wherein said front gate is upwardly folded to releasably lock up with said side boundary members to form said front guide of said supporting frame. ### Claim 10 (depends on 9) The pet stroller of claim 9, wherein said ramp member has a top anti-slipping surface. ### Claim 11 (depends on 9) The pet stroller of claim 9, wherein said ramp member has a top grooved surface. ### Claim 12 (depends on 9) The pet stroller of claim 9, wherein said foldable access ramp assembly further comprises a front hooking member downwardly extended from a bottom side of said ramp member. ### Claim 13 (depends on 9) The pet stroller of claim 9, wherein said wheel frame comprises a plurality of wheels rotatably coupled at said supporting frame at a position below said supporting platform. ### Claim 14 (depends on 1) The pet stroller of claim 1, wherein said ramp member has a top anti-slipping surface. ### Claim 15 (depends on 1) The pet stroller of claim 1, wherein said ramp member has a top grooved surface. ### Claim 16 (depends on 1) The pet stroller of claim 1, wherein said foldable access ramp assembly further comprises a front hooking member downwardly extended from a bottom side of said ramp member. ### Claim 17 (depends on 1) The pet stroller of claim 1, wherein said wheel frame comprises a plurality of wheels rotatably coupled at said supporting frame at a position below said supporting platform.