US 11,987,083 B2
Apparatus for attaching or detaching commercial vehicle tire hub drum
Seong Gi Baek, Seoul (KR)
Appl. No. 17/623,696
Filed by Seong Gi Baek, Seoul (KR)
PCT Filed Jul. 6, 2020, PCT No. PCT/KR2020/008819
§ 371(c)(1), (2) Date Dec. 29, 2021,
PCT Pub. No. WO2021/015448, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 10-2019-0087867 (KR), filed on Jul. 19, 2019.
Prior Publication US 2022/0274453 A1, Sep. 1, 2022
Int. Cl. B60C 25/05 (2006.01); B60B 30/02 (2006.01); B60B 30/08 (2006.01); B60B 30/06 (2006.01); B60B 30/10 (2006.01)
CPC B60C 25/0521 (2013.01) [B60B 30/02 (2013.01); B60B 30/08 (2013.01); B60C 25/0527 (2013.01); B60C 25/0563 (2013.01); B60B 30/06 (2013.01); B60B 30/10 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An apparatus for attaching or detaching a commercial vehicle tire hub drum, the apparatus comprising:
a main body frame;
a holding device formed so as to face forward from the main body frame for holding upright a circular load mounted on a commercial vehicle;
an attachment/detachment device for executing an attachment/detachment operation of the circular load from above the holding device; and
a position adjustment device coupled to the main body frame to adjust positions of the holding device and the attachment/detachment device, the position adjustment device including a first position adjustment device and a second position adjustment device,
wherein the main body frame includes:
a main frame providing a moving space of the first position adjustment device for performing an elevating operation of the holding device; and at least one sub-frame providing a moving space of the second position adjustment device for performing an elevating operation of the attachment/detachment device, and having a lower side to which the holding device bent in an ‘L’ shape is coupled,
wherein the main body frame further includes:
a connection frame connected and fixed to a predetermined portion of the holding device coupled to the sub-frame and predetermined portions of the position adjustment devices for performing the elevating operation of the sub-frame.