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US 5,210,739 AGranted
Carriage lock apparatus
AssigneeAsahi Kogaku Kogyo Kabushiki Kaisha
InventorToshio Nakagishi
Life of this patent
Estimating the term…
Abstract
A carriage on which a head is mounted has a rack which can be engaged with gear teeth located on a specific position. The gear teeth can be moved so as to engage with and disengage from the rack. The rack has a first pitch different from a second pitch of the gear teeth so as to maintain sure engagement.
Claims22
A head lock apparatus, comprising:
- a head for recording or playing back information on a rotating disk;
- means for moving said head in a radial direction on said rotating disk;
- first engaging means, said first engaging means having a first engaging portion with a first pitch that moves in association with a movement of said head in said radial direction of said rotating disk;
- second engaging means, said second engaging means having a second engaging portion with a second pitch that is different from said first pitch of said first engaging portion, said second engaging portion being located at a specific position so that said second engaging portion can engage said first engaging portion;
- and
- means for engaging or disengaging said first and second engaging portions.
3 more elements
A carriage lock apparatus, comprising:
- a carriage that is movable in a predetermined direction;
- first engaging means, said first engaging means having a first engaging portion with a first pitch that moves in association with a movement of said carriage in said predetermined direction;
- second engaging means, said second engaging means having a second engaging portion with a second pitch that is different from said first pitch of said first engaging portion, said second engaging portion being located at a specific position so that said second engaging portion can engage first engaging portion;
- and
- means for engaging or disengaging said first and second engaging portions.
2 more elements
A carriage lock apparatus, comprising:
- first engaging means having a first engaging portion with a first pitch that moves in association with a movement of a carriage;
- second engaging means having a second engaging portion with a second pitch that is different from said first pitch of said first engaging portion, said second engaging portion being located at a predetermined position so that said second engaging portion can engage said first engaging portion;
- and
- means for selectively engaging or disengaging said first and second engaging portions so as to selectively lock and unlock said carriage.
1 more element
Dependencies are inferred from the claim text.