Back to results
US 8,146,936 B2Granted
Child trailer
OwnerChin-I Laiinventor
Life of this patent
Estimating the term…
Abstract
A child trailer includes a body which includes a plurality of wheel assemblies at the bottom and a joint assembly at the front side to adjust the angle relative to the body. Hence the child trailer can be maintained at a desired angle to support standing of a child or holding of goods. The joint assembly includes a coupler at the front side to fasten the child trailer to the chassis such as a wheel axle, frame or handle of a stroller, thereby can facilitate standing of the child or holding of goods.
Claims14
A child trailer, comprising:
- a body including a plurality of wheel assemblies at the bottom thereof;
- a joint assembly which is located in front of the body and includes a pair of holding ducts coaxially located at a front end of the body, each holding duct including a plurality of splines on an inner rim, the two holding ducts being interposed by a coaxial coupling duct, the coupling duct including a plurality of slots on an inner wall corresponding to the splines, the holding ducts and the coupling duct being run through by a telescopic sleeve inside, two outer ends of the telescopic sleeve being coupled with a pair of tooth ducts, each tooth duct including a tooth portion on an outer wall thereof latchable on the splines of the holding duct and the slots of the coupling duct;
- and
- a coupler which is fastened to a front end of the joint assembly and includes a seat, a first adjustment arm and a second adjustment arm, the seat including a slide rail in the front end and being fastened to a front end of the coupling duct, the first and second adjustment arms including respectively a penetrating passage coupling symmetrically on the slide rail and a clamp means located at an outer side of each of the first and second adjustment arms, the clamp means including a first clamp and a second clamp engageable with each other.
1 more element
A child trailer, comprising:
- a body including a plurality of wheel assemblies at the bottom thereof;
- a joint assembly which is located in front of the body and includes a pair of holding ducts coaxially located at a front end of the body, each holding duct including a plurality of splines on an inner rim, the two holding ducts being interposed by a coaxial coupling duct, the coupling duct including a plurality of slots on an inner wall corresponding to the splines, the holding ducts and the coupling duct being run through by a telescopic sleeve inside, the telescopic sleeve being coupled with a pair of tooth ducts, each tooth duct including a tooth portion on an outer wall thereof latchable on the splines of the holding duct and the slots of the coupling duct;
- and
- a coupler which is fastened to a front end of the joint assembly and includes an extension means hinged on a front end of the coupling duct, the extension means including two telescopic tube assemblies, each telescopic tube assembly being coupled with a latch ring, the latch ring being connected with a strap holder, the strap holder having a strap extending forwards that includes constant traces, the strap holder including an engaging means that includes a through hole to engage with the strap.
1 more element
Dependencies are inferred from the claim text.