Supporting mechanism adapted for supporting a carried object on a rack and related handle assembly

A supporting mechanism adapted for supporting a carried object on a rack, the rack comprising a lateral post, the supporting mechanism comprising:

• a first supporting member comprising a first longitudinal portion and a first supporting portion bent relative to the first longitudinal portion, the first longitudinal portion being configured to be mounted on the lateral post, and the first supporting portion being configured to support the carried object;
• and
• a first handle assembly configured to be connected to the carried object, the first handle assembly comprising:
• a housing;
• a handle member movably mounted on the housing;
• and
• a locking member movably mounted on the housing, and the locking member comprising a locking portion;
• wherein at least a portion of the housing is mounted on a first lateral portion of the carried object and located inside an accommodating space formed on the first lateral portion of the carried object;
• wherein when the carried object is located at a retracted position relative to the rack and the handle member is in a first state, the locking portion of the locking member engages with the lateral post for preventing the carried object from being pulled away from the retracted position in a first direction;
• wherein when the handle member is operated from the first state to a second state, the handle member is configured to drive the locking member to disengage the locking portion of the locking member from the lateral post for allowing the carried object to be pulled away from the retracted position in the first direction.

A handle assembly adapted for a predetermined target, the handle assembly comprising:

• a housing detachably mounted on the predetermined target;
• a handle member movably mounted on the housing, the handle member comprising an operating portion and a driving portion connected to the operating portion, a length direction of the driving portion being aligned with a longitudinal direction;
• a locking member movably mounted on the housing, the locking member comprising a locking portion;
• and
• a resilient member;
• wherein when the handle member is in a first state, the locking portion of the locking member protrudes out of the housing in a transverse direction in response to a resilient force provided by the resilient member;
• wherein when the handle member is operated from the first state to a second state, the driving portion of the handle member drives the locking member to retract the locking portion of the locking member into the housing.