Gaming machines
US4410178A · kind A · utility
156Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1982 |
| Grant date | Oct 18, 1983 |
| Priority date | — |
| Expiry date | May 17, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D3/70
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A reel unit for a gaming machine comprises a stepping motor 1 connected to drive the reel through a reduction gearbox 2 having an output shaft 3 coupled to a boss 5 forming part of the reel. The shaft end 3 forms a close fit with a circular opening 12 in the boss 5 and a transverse pin 8 extending through the shaft 3 is located in a transverse slot 14 in the face of the boss 5, the slot 14 being wider than the pin 8 and its sides engaging the pin only through a pair of resilient O-rings 9 on each extending portion of the pin 8, each O-ring being located in a respective recess 15 in the sides of the slot 14.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.