Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary {or oscillating} motion and reciprocating motion comprising a rack
Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary {or oscillating} motion and reciprocating motion comprising a rack