Friction Gear Transmission Systems Or Components Patents (Class 476)
Condition responsive ratio change (Class 476/1)
Ratio change by expansion or compression of flexible friction surface (Class 476/6)
With friction enhancing fluid (Class 476/7)
With lubrication (Class 476/8)
Fluid control (Class 476/9)
Electric or magnetic control (Class 476/11)
With indicator or alarm (Class 476/12)
Cyclical output (Class 476/13)
With transmission cooling or heating means (Class 476/14)
Forward and reverse (Class 476/15)
Plural gearing in series (Class 476/27)
Friction gear is ball (Class 476/36)
Friction gear includes idler engaging facing concave surfaces (Class 476/39)
Stepless ratio change (Class 476/47)
Stepped ratio change (Class 476/59)
Condition responsive means to vary contact pressure (Class 476/61)
Friction gear on shaft of movably mounted motor (Class 476/64)
Spring urges contacting gears into engagement (Class 476/65)
Friction transmission or element (Class 476/67)

Cross-Reference Art Collections

Overload release (Class 476/900)

Foreign Patent Art Collections

Class-related foreign documents (Class 476/FOR000)