Patent ID: 11926369
Assignee: JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 11:
12. A cab, comprising:
a cab frame, comprising:
a support framework comprising:
a bottom frame;
a top frame; and
a four-upright-column structure supported between the bottom frame and the top frame, comprising two front upright columns and two rear upright columns, the two front upright columns are located between front and rear ends of the bottom frame, and no columns are provided in front of the two front upright columns, wherein the bottom frame and top frame are not supported by a six-upright-column structure;
wherein an internal dimension of the cab frame increases along a bottom-to-top direction;
the cab frame comprising an exterior skin comprising at least one of the following:
a top skin portion wrapped outside the top frame, a dimension of the top skin portion being larger than that of the bottom frame; and
a rear skin portion wrapped outside a rear portion of the support framework, at least a lower portion of the rear skin portion inclining backwards in the bottom-to-top direction; and
wherein a rear edge of the top skin portion is arranged more rearward than a rear edge of the bottom frame, and the rear edge of the top skin portion is arranged more rearward than a rear edge of the top frame, and the rear edge of the top frame approximately flushes with that of the bottom frame in a front-rear direction.