Patent · US Expired

Portable hoist assembly

US6578722B2 · kind B2 · utility

17Cited by
24References
5Claims
0Family size

Inventors

Key dates

Filing dateJun 29, 2001
Grant dateJun 17, 2003
Priority date
Expiry dateJun 29, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66C23/44
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The present invention is for a portable hoist assembly that includes a base member, an upright support member and a boom. A winch and line are attached to the hoist assembly with an engagement member for lifting objects. The base member attaches to a receiving member. The receiving member may be a trailer hitch on a vehicle. The boom and base member pivot with respect to the support member to a collapsed storage position. The boom and base member extend substantially parallel to the support member, and an end of the boom attaches to the base member. The engagement member is inserted within the base member for storage.

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