External double-jaw brake for a spindle of a spinning machine

An external double-jaw brake for a spindle of a spinning machine having a spindle rail having a row of spindles and a wall extending along said rail, said brake comprising:

• a support body configured to project through an opening in said wall opposite a respective spindle and provided with detents securing said support body to said wall and a pair of horizontally spaced vertical first journals;
• a brake body received on said support body and comprised of a pair of mutually opposite brake levers fulcrummed at respective first and second pins on opposite sides of said brake body and interconnected at a central region of said brake body, said first pins being received in said first journals of said support body, said levers having at ends turned toward said respective spindle, respective jaws juxtaposed with and engageable with said respective spindle;
• a cover overlying said brake body, extending through said opening, secured to said wall by respective detents and engaging said support body, said cover being formed with second journals aligned with said first journals and receiving said second pins;
• and
• an actuating plate suspended in horizontal pivot bearings of said support body and provided with a spreader engageable between opposite ends of said levers for spreading said levers and pressing said jaws against said respective spindle.