| 摘要 |
PROBLEM TO BE SOLVED: To provide a bolt ball caster with a collar capable of easily and securely attaching and detaching a ball caster of bolt type having resistance against heavy load from an upper face of a plate of a conveyance table, a mold, a tool, etc., by one tool without scratching the plate and uniformly controlling protrusion height of a ball simply. SOLUTION: This bolt ball caster with the collar has a ball caster function 2 provided on the exclusively manufactured bolt 1 with a collar. COPYRIGHT: (C)2003,JPO
|
