Suspension having spring with preferential bending in...

Details Suspension having spring with preferential bending in... Suspension having spring with preferential bending in...

2005-10-18

2005-10-18

Klimowicz, William J (Department: 2652)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

Reexamination Certificate

active

06956721

ABSTRACT:
A disk drive suspension has a load beam with a base portion, a spring portion and a rigid portion to carry a flexure and slider in operative association with a disk. The spring portion is normally bendable between the base portion and the rigid portion. Welding of the spring portion to the base portion and the rigid portion tends to raise the temperature of the adjacent parts of the spring portion to temperatures above their annealed temperature and there is a loss of temper and thus spring properties in these adjacent parts. The invention limits the bending of the spring portion to a region between the base and rigid portion adjacent parts by stiffening the spring portion locally in these parts as with an edge rail. The non-railed region of the spring portion remains bendable and is far enough away from welding heat that it retains its temper and spring properties.

REFERENCES:
patent: 5408372 (1995-04-01), Karam, II
patent: 5455727 (1995-10-01), Baral et al.
patent: 5914835 (1999-06-01), Girard et al.
patent: 6147839 (2000-11-01), Girard
patent: 6532135 (2003-03-01), Chen et al.
patent: 6687091 (2004-02-01), Chen et al.
patent: 10055634 (1998-02-01), None
patent: WO 9424664 (1994-10-01), None
patent: WO 9809275 (1998-03-01), None
“Slits in Snare Tube to Reduce Stiffness of Head Suspension,” Nov. 1, 1989, IBM TDB, vol. No. 32, Iss. No. 6A, p. 175.
“Suspension Assembly with Torsion-Proof Stiffeners,” Apr. 1, 1993, IBM TDB, vol. No. 36, Iss. No. 4, pp. 71-72.

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