Title:
OPTICAL HEAD FEEDING DEVICE
Document Type and Number:
Japanese Patent JP3731552
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an optical head feeding device whose reliability is improved by preventing an optical head body and a teeth part from being damaged or broken if an external force of vibration, a shock, etc., acts on the optical head body during packing, transportation, conveyance, etc.
SOLUTION: A lead teeth part 2 has a teeth part 22 engaging with a lead screw 5, a hinge part 23, and a rail insertion part 24 into which a rod rail 3 is inserted, and the rail insertion part 24 is provided with a brake pad (1) 12 and a brake pad (2) 13; and the brake pad (1) 12 and brake pad (2) 13 have notched parts 12a and 13b having radii of curvatures equal to or larger than the radius of the rod rail 3 and the gaps between the cut parts 12a and 13b and the external diameter of the rod rail 3 is made larger than the gaps between bearing parts 11a and 11b and the rod rail 3.
Inventors:
Yoichi Nishida
Application Number:
JP2002062637A
Publication Date:
January 05, 2006
Filing Date:
March 07, 2002
Export Citation:
Assignee:
NEC
International Classes:
G11B21/02; (IPC1-7): G11B21/02
Domestic Patent References:
| JP11224469A | ||||
| JP2002298520A | ||||
| JP10074370A | ||||
| JP62120473U | ||||
| JP2001160273A |
Attorney, Agent or Firm:
Masahiko Desk
Masashi Kudo
Yasuhisa Tanizawa
Masashi Kudo
Yasuhisa Tanizawa
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