Patent ID: 7441956

Claim:
A linear guide/feed module, comprising a tubular boom movable along a movement axis; a housing encompassing said tubular boom so that said boom is travelable out of and into said housing along said movement axis; a drive unit for driving said boom to move in relation to said housing; at least two recirculating rolling element rows supporting said boom in said housing for its movement in relation to said housing along said movement axis and spaced apart from each other in a circumference direction around said movement axis, each of said recirculating rolling element rows having a force-loaded rolling element carrying segment extending essentially in a direction of said movement axis and an essentially unloaded rolling element return segment; a guide body encompassing said boom at least in segments in the circumferential direction, said guide body being provided in said housing and having rolling element passages of said rolling element return segments formed into said guide body as well as raceways on a housing side of said rolling element carrying segments of said at least two rolling element rows.