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US4737871A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanism taking a cartridge on and off a microfloppy disk drive

Assignee: Citizen Watch Co Ltd
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Filing: 1986-03-20
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Granted: 1988-04-12
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Expires: 2006-03-20
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Abstract

Abstract A cartridge loading/unloading mechanism for a microfloppy disk drive including a carrier to charge or discharge a floppy disk cartridge and a front panel to support the carrier movable upwardly and downwardly between an unloaded position and a loaded position. The front panel is utilized not only to form the opening for charging or discharging the cartridge but also to support the carrier to be movable upward and downward between the unloaded and loaded position by means of grooves on the opening formed on the sleeve portion thereof. Further, the front panel has a pair of elastic engaging clicks which engage with stoppers provided on the frame so as to realize one-touch engagement of the carrier with the frame by only pushing down the carrier.

Inventors

  • 👤 Asao Saito

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:30
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/041; G11B17/043; G11B17/0438

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 117 words
A cartridge loading mechanism for a microfloppy disk drive comprising: a frame; a carrier for loading and unloading a floppy disk cartridge, said carrier supported to be movable upwardly and downwardly within said frame; a front panel for supporting said carrier movable upwardly and downwardly between loading and unloading positions; sleeve portions provided on said front panel; a pair of guide slits with openings at one end thereof provided in said sleeve portions, said guide slits supporting said upward and downward motion of said carrier; a pair of elastic engaging clicks provided on each of said sleeve portions; and a pair of stoppers provided on said frame for engaging with said engaging clicks of said front panel.
Claim 2
Dependent Claim 117 words
A cartridge loading mechanism for a microfloppy disk drive comprising: a frame; a carrier for loading and unloading a floppy disk cartridge, said carrier supported to be movable upwardly and downwardly within said frame; a front panel for supporting said carrier movable upwardly and downwardly between loading and unloading positions; sleeve portions provided on said front panel; a pair of guide slits with openings at one end thereof provided in said sleeve portions, said guide slits supporting said upward and downward motion of said carrier; a pair of elastic engaging clicks provided on each of said sleeve portions; and a pair of stoppers provided on said frame for engaging with said engaging clicks of said front panel.

References Cited (Backward Citations)

US4546397A Cited
US4641212A Cited
US4587585A Cited
US4636892A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-04-12 1991-10-12 1992-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-04-12 1995-10-12 1996-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-04-12 1999-10-12 2000-04-12 $7700.00 Window Closed / Lapsed

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