A wheel assembly includes a first body having a first end portion and a second end portion; a second body having a third end portion and a fourth end portion, the third end portion of the second body rotatably coupled to the second end portion of the first body via a first pivot pin; a wheel rotatably coupled to the second body via a second pivot pin; a rod having a fifth end portion and a sixth end portion, the fifth end portion coupled with the first body via a third pivot pin; a first coiled spring having a first end contacting the first body and a second end contacting the third end portion; and a second coiled spring having a third end, the rod inserted into the second coiled spring via the third end, and a fourth end contacting the fourth end portion.
Wheel assembly for luggage
2018-05-01
Patent
Electronic Resource
English