# US 2013/0154240 A1 · Baby carriage > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154240 A1 - Document ID: US20130154240A1 - Status: Published application - Kind: A1 - Application number: 13/717,606 - Filed: 2012-12-17 - Published: 2013-06-20 - Earliest claimed: 2011-12-19 - Assignees: Wonderland Nurserygoods Company Limited - Inventors: Ze-Hua Yi - Web page: https://patentgrep.com/patent/US20130154240A1 ## CPC - B62B 7/044: {three wheeled} - B62B 7/08: in the direction of, or at right angles to, the wheel axis - B62B 9/104: {with adjustable or reclining backrests} - B62B 2205/20: Catches; Locking or releasing an articulation - B62B 2205/26: Arrangements for standing up in folded position - B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M) ## Abstract A baby carriage includes a wheel assembly and a foldable frame connected to the wheel assembly. The foldable frame includes a front leg, a rear leg, a push handle located above the rear leg and connected to the front leg, a connecting rod, and a basket tube located on the rear leg. The front leg and the rear leg are connected to the wheel assembly. The push handle is pivotally connected to the front leg. An end of the connecting rod is pivotally connected to the rear leg. The baby carriage of the invention can be folded so as to avoid occupying much space. ## Claims ### Claim 1 A baby carriage comprising: a wheel assembly; and a foldable frame connected to the wheel assembly, the foldable frame comprising a front leg, a rear leg, a push handle located above the rear leg and connected to the front leg, a connecting rod, and a basket tube located on the rear leg, the front leg and the rear leg being connected to the wheel assembly, the push handle being pivotally connected to the front leg, an end of the connecting rod being pivotally connected to the rear leg. ### Claim 2 (depends on 1) The baby carriage of claim 1, wherein the basket tube is pivotally connected to the rear leg. ### Claim 3 (depends on 2) The baby carriage of claim 2, wherein the connecting rod is connected between the push handle and the rear leg, and another end of the connecting rod is pivotally connected to the push handle. ### Claim 4 (depends on 3) The baby carriage of claim 3, wherein the front leg is pivotally connected to the rear leg. ### Claim 5 (depends on 4) The baby carriage of claim 4, wherein a pinch-proof member is disposed at a joint between the front leg and the rear leg. ### Claim 6 (depends on 5) The baby carriage of claim 5, wherein a first connecting member is disposed on the rear leg and pivotally connected to the front leg, and the pinch-proof member is located between the front leg and the first connecting member. ### Claim 7 (depends on 6) The baby carriage of claim 6, wherein a second connecting member is fixed on the rear leg, the connecting rod is pivotally connected to the second connecting member, and the basket tube is also pivotally connected to the second connecting member. ### Claim 8 (depends on 1) The baby carriage of claim 1, wherein the connecting rod is connected between the front leg and the rear leg, and another end of the connecting rod is pivotally connected to the front leg. ### Claim 9 (depends on 8) The baby carriage of claim 8, wherein the push handle is pivotally connected to the rear leg. ### Claim 10 (depends on 1) The baby carriage of claim 1, wherein the foldable frame further comprises a lock device connected to the basket tube. ### Claim 11 (depends on 10) The baby carriage of claim 10, wherein the foldable frame further comprises a seat tube, the lock device is connected to the seat tube, a front end of the basket tube and the seat tube are rotatably connected to each other, and a front end of the seat tube is pivotally connected to the front leg. ### Claim 12 (depends on 11) The baby carriage of claim 11, wherein the lock device comprises a lock member and an unlock member, an end of the unlock member is pivotally connected to the lock member, an end of the lock member is pivotally connected to the basket tube, and another end of the lock member is fixed on the seat tube. ### Claim 13 (depends on 12) The baby carriage of claim 12, wherein an oblique groove is formed on the unlock member, a driving member is disposed inside the front end of the basket tube, a lock pin is fixed on an end of the driving member, and the lock pin is slidably disposed in the oblique groove. ### Claim 14 (depends on 13) The baby carriage of claim 13, wherein a first spring is disposed in the driving member, a first rivet is slidably disposed on another end of the driving member, and both ends of the first spring abut against the driving member and the first rivet, respectively. ### Claim 15 (depends on 13) The baby carriage of claim 13, wherein a lock hook is disposed on the lock member and used for hooking the lock pin. ### Claim 16 (depends on 12) The baby carriage of claim 12, wherein a fixing ring protrudes from the unlock member and a belt is fixed on the fixing ring. ### Claim 17 (depends on 10) The baby carriage of claim 10, wherein the lock device comprises a lock member and an unlock member, the lock member is fixed on the seat tube and pivotally connected to the basket tube, and the unlock member restrains the basket tube from rotating. ### Claim 18 (depends on 17) The baby carriage of claim 17, wherein the foldable frame further comprises a seat plate and a seat tube, the seat plate is fixed on the seat tube, and the lock device is connected to the seat tube. ### Claim 19 (depends on 18) The baby carriage of claim 18, wherein the lock member is fixed below seat plate. ### Claim 20 (depends on 19) The baby carriage of claim 19, wherein the unlock member comprises a fixing block fixed on the seat plate and an engaging member movably disposed in the fixing block, the engaging member has an engaging end, when the lock device is locked, the engaging end abuts against a bottom of the basket tube so as to restrain the basket tube from rotating with respect to the unlock member. ### Claim 21 (depends on 20) The baby carriage of claim 20, wherein the engaging member has a pull end connected to a belt. ### Claim 22 (depends on 21) The baby carriage of claim 21, wherein a through hole is formed on the seat plate and the belt passes through the through hole so as to be exposed on a surface of the seat plate. ### Claim 23 (depends on 20) The baby carriage of claim 20, wherein a second spring is disposed in the engaging member, a second rivet is slidably disposed in the engaging member, an end of the second spring abuts against the second rivet, and another end of the second spring abuts against the engaging member. ### Claim 24 (depends on 20) The baby carriage of claim 20, wherein a pedestal is disposed below the basket tube, when the lock device is locked, the engaging end abuts against the pedestal. ### Claim 25 (depends on 1) The baby carriage of claim 1, wherein the foldable frame further comprises a support rod, an end of the support rod is pivotally connected to the basket tube, and another end of the support rod is used for supporting the foldable frame on ground after the foldable frame is folded. ### Claim 26 (depends on 25) The baby carriage of claim 25, wherein the foldable frame further comprises a rear axle and a connecting member, the rear axle is connected to the rear leg, an end of the connecting member is pivotally connected to the rear axle, and another end of the connecting member is pivotally connected to the support rod. ### Claim 27 (depends on 1) The baby carriage of claim 1, wherein the foldable frame further comprises a backrest support tube, a backrest adjusting mechanism is disposed on the rear leg and has a plurality of engaging recesses, and the backrest support tube is electively engaged in one of the engaging recesses. ### Claim 28 (depends on 1) The baby carriage of claim 1, wherein the foldable frame further comprises a backrest support tube, a backrest adjusting mechanism is fixed on the connecting member, and the backrest support tube is detachably engaged with the backrest adjusting mechanism. ### Claim 29 (depends on 1) The baby carriage of claim 1, wherein the foldable frame further comprises a dining tray detachably connected to the foldable frame. ### Claim 30 (depends on 29) The baby carriage of claim 29, wherein the foldable frame further comprises an arm rest detachably connected to the foldable frame and the dining tray is detachably connected to the arm rest.