Patent · US Expired

Vehicle mounted, variable length hook hoist

US5542807A · kind A · utility

25Cited by
11References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 3, 1994
Grant dateAug 6, 1996
Priority date
Expiry dateMay 3, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60P1/6463
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A truck and hook hoist combination for picking up and manipulating a container having a grasping ring includes a vehicle having a frame with a rear; a hook hoist including a hoist frame with a rear, a roller frame having a rear and being connected to and at the rear of the hoist frame, and a jib assembly having inboard and outboard ends and being pivotally connected about an axis to the hoist frame, the roller frame including at least one roller rotatably mounted to the rear of the frame and being configured for variable slidable longitudinal extension relative to the rear of the hoist frame prior to the roller frame being rigidly connected to the hoist frame, and wherein the jib assembly includes a hook at its outboard end, the hook defining a base with a front and a rear, a post extending up from the front of the base and a main arcuate hook body extending up from the rear of the base, wherein the base, post and hook body together define a saddle sized to engage with and receive a container grasping ring therein and to transmit both forward and rearward movement of the hook to a container substantially entirely through the contact in the saddle between the hook and the grasping r…

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