Clamp for securing roof-mounted equipment to a roof-mounted pedestal

A clamp (20) adapted for securing a piece of equipment to a roof-mounted pedestal or rail, the roof mounted pedestal or rail having a slot (12) running along its top end (14), the apparatus comprising:

• an upper body (300) including an upper plate (320), a lower plate (314), and two vertical sidewalls (211v) extending between the upper and lower plate, the upper plate extending laterally beyond at least one of the vertical sidewalls to provide a flange (324) and including a centrally located mounting bolt hole (332), the lower plate including a centrally located opening (315), the upper body further including a through channel (300);
• a lower body (200) partially contained within the centrally located opening of the lower plate, the lower body including a rail nut (220) at an upper end (221) and a pair of legs (211) extending vertically below the lower plate, a portion of the upper end shaped complementary to the centrally located opening of the lower plate, each of the legs extending below the lower plate in a vertical direction and ending in a winged foot (212) containing an outward-facing horizontal groove (214);
• a holding spring (330) housed within the through channel of the upper body;
• and
• a mounting bolt (100) received by the centrally located mounting bolt hole of the upper plate of the upper body and the rail nut of the lower body, the holding spring surrounding a portion of the mounting bolt.