| 摘要 |
PROBLEM TO BE SOLVED: To provide a pallet falling prevention device preventing dust from intruding into an operation part of a plunger. SOLUTION: The plunger 5 of a solenoid 4 is inserted through a through hole 23a formed in a bellows cover 23, the through hole 23a of the bellows cover 23 is tightly fitted in an annular fitting groove 24 formed in the plunger 5 of the solenoid 4, recessed-cross section hook parts 26 and 26 formed in the lower end of the bellows cover 23 is hung and fixed to projections 25, etc., of a retainer frame 15a mounted on a solenoid body 17 of the solenoid 4, and the bellows cover 23 is contracted according to the reciprocating movement of the plunger 5 so as to cover the operation part of the plunger 5. COPYRIGHT: (C)2003,JPO
|
