Driver 1 rotates about fixed axis A and carries pin a which consecutively engages straight radial slots d of Geneva wheel (plate) 2. Geneva wheel 2 rotates about fixed axis B and its slots d are located symmetrically at angles of 45° between the axes of adjacent slots. When driver 1 rotates continuously at uniform velocity, Geneva wheel 2 rotates intermittently at nonuniform velocity with eight rotation periods tᵣ and eight idle periods tᵢ. The time of one revolution of driver 1 is T=tᵣ+tᵢ. The angles of rotation of driver 1 corresponding to an idle and to a rotation period of Geneva wheel 2 are ϕᵢ=135° and ϕᵣ= 225°. The angle of rotation of Geneva wheel 2 to each revolution of driver 1 is ϕ_G=45°. The rotation and idle factors are p=tᵣ/T=0.625 and q=tᵢ/T=0.375. The working time coefficient is k=p/q=1.67. Driver 1 and Geneva wheel 2 rotate in the same direction.
$2640$PG,GW$