Shock absorbing rotary drive coupling
US4109488A · kind A · utility
9Cited by
7References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1976 |
| Grant date | Aug 29, 1978 |
| Priority date | — |
| Expiry date | Nov 22, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D3/74
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A shock absorbing rotary drive coupling unit for drivingly connecting a tubular drive shaft to an axially aligned tubular driven shaft of a rotary blast hole drill. The unit has an annular body of resilient elastomer sandwiched between and bonded to end plates, with lugs and fasteners for connecting the end plates, respectively, to the drive shaft and the driven shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.