"a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)"@en-us . "04039209-n"^^ . "104039209"^^ . . . . . . "rack and pinion"^^ . . "103200633"@en-us . . "0"^^ . "rack and pinion"@en-us . "0"^^ . . . "103886870"@en-us .