Propeller torque transmitting device
US7637792B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2008 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | May 23, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H23/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A shock absorber for a marine propulsion device is configured to provide an adapter, coupler and resilient device which can be assembled into a unit, or module, that can be inserted into a propeller. The resilient device includes two helical springs that urge the coupler into a central position with respect to the adapter and resist relative axial motion between the adapter and coupler. The shock absorber is intended to absorb the forces which occur during a shift from neutral to forward gear of the marine propulsion device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.