Apparatus for dispensing paper toweling from a roll of paper toweling, said apparatus comprising, in combination: a dispenser housing defining a housing interior and an opening communicating with said housing interior permitting access to said housing interior; a rotatable, elongated toweling support drum for receiving and supporting paper toweling extending from a roll of paper toweling in said housing interior and for transporting said paper toweling to dispense the paper toweling; a cover including a first cover portion and a second cover portion, said first cover portion moveable relative to said second cover portion, said cover mounted for movement relative to said housing and selectively movable relative thereto between a closed position wherein said opening is closed by said first and second cover portions (20, 22) and an open position wherein said opening is uncovered; and a transmission structure operatively associated with said cover and said toweling support drum and responsive to movement of said first cover portion relative to said second cover portion when said cover covers said opening to rotate said toweling support drum, said transmission structure including a toothed rack member attached to said first cover portion and extending inwardly therefrom into said housing interior when said cover is in said closed position, said toweling support drum having a gear attached thereto, characterized in that the transmission structure further comprises a floating gear rotatably mounted on said first cover portion in engagement with said toothed rack member, said floating gear being moveable between a first position wherein said floating gear is not in engagement with the gear attached to said toweling support drum and a second position wherein said floating gear engages the gear attached to said toweling support drum, said floating gear being biased by the force of gravity toward said first position, wherein inward movement of said first cover portion and inward movement of said toothed rack member when the cover is in said closed position is moving the floating gear from said first position to said second position and wherein further inward movement of said first cover portion and said toothed rack member after said floating gear engages the gear attached to said toweling support drum is causing rotation of said toweling support drum. a dispenser housing defining a housing interior and an opening communicating with said housing interior permitting access to said housing interior; a rotatable, elongated toweling support drum for receiving and supporting paper toweling extending from a roll of paper toweling in said housing interior and for transporting said paper toweling to dispense the paper toweling; a cover including a first cover portion and a second cover portion, said first cover portion moveable relative to said second cover portion, said cover mounted for movement relative to said housing and selectively movable relative thereto between a closed position wherein said opening is closed by said first and second cover portions (20, 22) and an open position wherein said opening is uncovered; and a transmission structure operatively associated with said cover and said toweling support drum and responsive to movement of said first cover portion relative to said second cover portion when said cover covers said opening to rotate said toweling support drum, said transmission structure including a toothed rack member attached to said first cover portion and extending inwardly therefrom into said housing interior when said cover is in said closed position, said toweling support drum having a gear attached thereto,