Patent ID: 7726555

Claim:
A counter actuatable in response to rotary motion, said counter comprising: a support defining a central axis; a first indicator member mounted on said support and rotatable about said central axis, said first indicator member comprising an outwardly facing transparent first side surface extending circumferentially therearound, counting indicia being positioned on said transparent first side surface; a second indicator member having an outwardly facing second side surface extending circumferentially therearound and positioned coaxially within and adjacent to said transparent first side surface, said second indicator member being rotatable about said central axis, counting indicia being positioned on said second side surface and visible through said transparent first side surface; a coupling engaging said second indicator member for transmitting rotary motion thereto; and a slave wheel mounted on said support and rotatable about an offset axis offset from said central axis and substantially parallel thereto, said slave wheel having a drive transfer wheel on one face and a gear on an opposite face, said second indicator member engaging and rotating said slave wheel, said slave wheel engaging and rotating said first indicator member intermittently.