Tower climbing assist device
US8141681B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2008 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Jul 4, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B1/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A climb assist system is disclosed that dynamically adjust the rate and level of assist of a climber as the climber needs may change over the period of traverse of the ladder. A sensor detects the state of a person, such as the load exerted by the climber on a ladder exerts on an assist rope, to provided an upward support force on the climber to compensate the climber's weight. Additionally, a sender is provided to transmit the load data to a receiver and a receiver to receive the data from the sender. A controller interprets the received data and thereafter provides control through a controlled motor and drive to provide energy to the assist rope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.