Rope arrest-and-release device for use on utility poles
US10704623B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 14, 2017 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Nov 27, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2065/022
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rope arrest-and-release device comprising a cam block assembly and a housing with front vertical rollers situated on either side of the housing, rear vertical rollers situated directly behind the front vertical rollers, and a pair of horizontal rollers situated to the interior of the front and rear vertical rollers on either side of the housing. The cam block assembly includes a cam block and a cam that rotates upward and downward via a spring. Each front vertical roller is configured to rotate forward to allow a rope to be inserted between the cam and the inside ceiling of the housing. The cam block assembly fits into an internal recess in the housing and is removable and reversible. The invention include a means for securing the device to a utility pole and for locking the cam in a downward (open) position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.