Patent · US Expired

Releasable hook

US4034992A · kind A · utility

10Cited by
5References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 17, 1975
Grant dateJul 12, 1977
Priority date
Expiry dateJul 17, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B21/58
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

In the mooring of ships and boats to a dock, it is necessary to have a line run from the ship or boat to the dock. The line can be more or less tight and must be fixed so as to allow relatively little movement of the ship or boat with respect to the dock. Then, when it is necessary to allow the ship or boat to sail away from the dock, it is necessary to disengage the line from the fastening means on the dock. This invention relates to a fastening means whereby a line can be positioned to the fastening means for securing the ship or boat adjacent to the dock. Then, the person on the dock can mechanically actuate the fastening means to allow the line to slip away from the fastening means and also to allow the ship or boat to sail away from the dock. This fastening means is identified as a releasable hook. When it is desired to have the ship or boat fixedly secured with respect to the dock, the fastening means is in a locked position to firmly position the line. Then, when it is desired to allow the line to be slipped and to allow the ship or boat to sail away from the dock, the operator on the dock can quickly and easily disengage the fastening means, or releasable hook, from the lin…

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