Pet leash preventing locking due to jerk
US11134657B2 · kind B2 · utility
3Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2018 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | Jan 30, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/35
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pet leash preventing locking due to jerk includes a housing provided with a handle and a reel disk arranged in the housing. The reel disk is rotatably connected to the housing. A leash rope is wound on the reel disk. One end of the leash rope penetrates through the housing. The housing is provided with a rotary damper. A clutch structure is provided between the reel disk and the rotary damper, and is actuable under a centrifugal force to connect the reel disk to the rotary damper when a rotation speed of the reel disk exceeds a predetermined rotation speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.