Patent · US Active

Ball cart structure

US8882135B1 · kind B1 · utility

22Cited by
7References
4Claims
0Family size

Inventor

Key dates

Filing dateJul 23, 2013
Grant dateNov 11, 2014
Priority date—
Expiry dateJul 23, 2033

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62B2205/20
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A ball cart structure essentially includes a frame for positioning a bag and positioning units disposed on the frame. The positioning units position and restrict deformation of the frame when the frame is unfolded to be in use or is folded to be stored, to enhance the stability and user safety of the frame in use and render it convenient to store the frame.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.