Torque transmitting handwheel clip-on member for a sewing machine
US4583419A · kind A · utility
1Cited by
13References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 1984 |
| Grant date | Apr 22, 1986 |
| Priority date | — |
| Expiry date | Nov 9, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7041
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A handwheel is assembled to a sewing machine arm shaft with a conical screw in association with a torque transmitting handwheel clip-on member having wings thereon which are disposed in line contact with the screw, and which include planar surfaces that are caused to engage planar surfaces on radially extending ribs of the handwheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.