Portable hard disk drive
United States Patent D358138

Koyanagi, Ichiroh (Yokohama, JP)
Manabe, Yoshiyuki (Ebina, JP)
Ohtsuki, Makoto (Yokohama, JP)
Shima, Hisashi (Fujisawa, JP)
Application Number:
Publication Date:
Filing Date:
International Business Machines Corporation (Armonk, NY)
Primary Class:
Field of Search:
D14/100, D14/107, D14/108, D14/109, D13/162, D13/184, D13/199, 312/208.1, 360/99.12, 361/622, 361/724, 361/727
View Patent Images:
US Patent References:
5253129Removable and transportable hard disk subsystemOctober, 1993Blackboron et al.D14/109
D338458Portable hard disk drive for engagement to a computerAugust, 1993GuoD14/109
D329229Data storage unitSeptember, 1992Koch et al.D14/109
D337997Floppy disk driveAugust, 1983Brunner et al.D14/109

Other References:
Computer Shopper May 1990 p. 441--1000 EX/HX Hard Drive (bottom left corner).
Primary Examiner:
Nunn, Freda S.
Attorney, Agent or Firm:
Truelson, Roy W.
1. The ornamental design for a portable hard disk drive, as shown anddescribed.


FIG. 1 is a top, front, right side perspective view of a portable hard disk drive showing our new design;

FIG. 2 is a front elevational view thereof on a reduced scale;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right side elevational view thereof.