CABLE TAKE-UP DEVICE, AND FLAT CABLE ROUTING STRUCTURE FOR SLIDE SEAT

Provided is a cable take-up device for a flexible flat cable routed for a slide seat slidably supported so as to be movable forward and backward along a fixed rail fixed to the vehicle cabin floor. The cable take-up device includes: a take-up housing part that takes up a housed portion in a drawable manner and houses it inside with a front end portion fixed to a rail front end portion and a rear end portion fixed to the slide seat; a take-up force generation part that generates a take-up force in a direction of take-up of the housed portion through drawing of the cable routing body; and a slit that applies the take-up force of the take-up force generation part to the housed portion.