US4746016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade removal and/or mounting mechanism and dispenser, extractor-disposal apparatus including same
Assignee: Research Foundation of the State University of New York
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Filing: 1987-03-26
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Granted: 1988-05-24
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Expires: 2007-03-26
Abstract
Abstract A mechanism for mounting and removing a blade having an elongated slot mounting means from a blade handle which has a mounting boss for insertion into the elongated slot. The mechanism includes a handle guide forming one side of a passageway for insertion of the handle therethrough, the handle guide having a flexible body which is sufficiently flexible to allow deflection of the handle for withdrawal of the boss out of mating relationship with the elongated slot. The mechanism further includes blade extracting means fixed opposite the handle guide forming a second side of the passageway and having a blade retaining projection arranged adjacent the passageway which can be actuated to prevent withdrawal of a blade from the passageway. Finally, an actuation means is included which is fixed for actuation of the blade extracting means upon deflection of the handle sufficient to disengage the boss from mating relationship with the elongated slot so that a blade mounted on the handle can be removed therefrom when the handle is withdrawn from the passageway. The present invention also includes a device including such mechanism in combination with a blade retaining and/or disposal well which can serve as a blade dispenser and/or disposal device.
Inventors
- 👤 Stanley B. Pollak
- 👤 William Blasnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:43
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3209; A61B17/3211; A61B17/3215; A61B17/3217; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53683; Y10T29/53909
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
190 words
A mechanism for removing a blade having an elongated slot mounting means from a blade handle which has a mounting boss for insertion into said elongated slot, comprising a blade well for receipt of said blade upon dismounting from said handle, a handle guid forming one side of a blade and handle passageway into said well said handle guide having a flexible body portion being sufficiently flexible to allow deflection of said handle away from said blade for withdrawal of said boss out of mating relationship with said elongated slot, blade extracting means located on a side of said passageway generally opposite said handle guide, said extracting means having a blade retaining projection arranged adjacent said passageway adapted to be actuated to a position to prevent withdrawal of said blade from said well, and actuation means located fore actuation of said blade extracting means as a direct result of the deflection of said handle sufficient to disengage said boss out of mating relationship with said elongated slot, whereby a blade mounted on said handle is engaged by said retaining projection for removal as said handle is withdrawn from said passageway.
Claim 2
Dependent Claim
190 words
A mechanism for removing a blade having an elongated slot mounting means from a blade handle which has a mounting boss for insertion into said elongated slot, comprising a blade well for receipt of said blade upon dismounting from said handle, a handle guid forming one side of a blade and handle passageway into said well said handle guide having a flexible body portion being sufficiently flexible to allow deflection of said handle away from said blade for withdrawal of said boss out of mating relationship with said elongated slot, blade extracting means located on a side of said passageway generally opposite said handle guide, said extracting means having a blade retaining projection arranged adjacent said passageway adapted to be actuated to a position to prevent withdrawal of said blade from said well, and actuation means located fore actuation of said blade extracting means as a direct result of the deflection of said handle sufficient to disengage said boss out of mating relationship with said elongated slot, whereby a blade mounted on said handle is engaged by said retaining projection for removal as said handle is withdrawn from said passageway.
Claim 3
Dependent Claim
81 words
The mechanism of claim 1 wherein said blade extraacting means further comprises a flexible arm extending from a point adjacent said well along said passageway to an operative end, said blade retaining projection fixed at said operative end so that the projection is adapted to be positioned out of said passageway in the unactuated condition and so that the projection is adapted to be drawn over said passageway when actuated whereby said blade is prevented from being removed from said passageway.
Claim 4
Dependent Claim
79 words
The mechanism of claim 2 wherein said actuation means comprises latch means secured to one of said handle guide and said blade extracting means, said latch means including a yoke extending around said passageway and a yoke tab extending around one of said flexible arm and said handle guide whereby said tab is drawn into actuating contact with one of said flexible arm and said handle guide when said handle guide is deflected away from said blade extracting means.
Claim 5
Dependent Claim
37 words
The mechanism of claim 3 wherein said yoke tab extends around one of said flexible arm and said handle guide a distance sufficient to permit insertion of said handle throu said passageway without actuating said flexible arm.
Claim 6
Dependent Claim
19 words
The mechanism of claim 4 wherein said housing is transparent and wherein there are more than one said mechanism.
Claim 7
Dependent Claim
20 words
The mechanism of claim 1 which is mounted in a housing to provide a combination blade dispenser and disposal device.
Claim 8
Dependent Claim
222 words
A mechnaism for mounting and removing a blade having an elongated slot mounting means from a blade handle which has a mounting boss for insertion into said elongated slot, comprising a blade well for holding said blade in a position for mounting on said blade handle and for receipt of said blade upon dismounting from said handle, a handle guide forming one side of a blade and handle passageway into said well, said handle a guide having a flexible body portion being sufficiently flexible to allow insertion of said handle boss into mating relationship with said elognted slot and to allow deflection of said handle away from said blade for withdrawal of said boss out of mating relationship wtih said elongated slot, blade extracting means located on a side of said passageway generally opposite said handle guide, said extracting means having a blade retaining projection arranged adjacent said passageway adapted to be actuated to a position to prevent withdrawal of a blade from said well, and actuation means located for actuation of said blade extracting means as a direct result of the deflection of said handle sufficient to disengage said boss out of mating relationship with said elongated slot, whereby a blade mounted on said handle is engaged by said retaining projection for removal as said handle is withdrawn from said passageway.
Claim 9
Dependent Claim
222 words
A mechnaism for mounting and removing a blade having an elongated slot mounting means from a blade handle which has a mounting boss for insertion into said elongated slot, comprising a blade well for holding said blade in a position for mounting on said blade handle and for receipt of said blade upon dismounting from said handle, a handle guide forming one side of a blade and handle passageway into said well, said handle a guide having a flexible body portion being sufficiently flexible to allow insertion of said handle boss into mating relationship with said elognted slot and to allow deflection of said handle away from said blade for withdrawal of said boss out of mating relationship wtih said elongated slot, blade extracting means located on a side of said passageway generally opposite said handle guide, said extracting means having a blade retaining projection arranged adjacent said passageway adapted to be actuated to a position to prevent withdrawal of a blade from said well, and actuation means located for actuation of said blade extracting means as a direct result of the deflection of said handle sufficient to disengage said boss out of mating relationship with said elongated slot, whereby a blade mounted on said handle is engaged by said retaining projection for removal as said handle is withdrawn from said passageway.
Claim 10
Dependent Claim
81 words
The mechanism of claim 7 wherein said blade extracting means further comprises a flexible arm extending from a point adjacent said well along said passageway to an operative end, said blade retaining projection located at said operative end so that the projection is adapted to be positioned out of said passageway in the unactuated condition and so that the projection is adapted to be drawn over said passageway when actuated whereby said blade is prevented from being removed from said passageway.
Claim 11
Dependent Claim
79 words
The mechanism of claim 8 wherein said actuation means comprises latch means secured to one of said handle guide and said blade extracting means, said latch means including a yoke extending around said passageway and a yoke tab extending around one of said flexible arm and said handle guide whereby said tab is drawn into actuating contact with one of said flexible arm and said handle guide when said handle guide is deflected away from said blade extracting means.
Claim 12
Dependent Claim
37 words
The mechanism of claim 9 wherein said yoke tab extends around one of said flexible arm and said handle guide a distance sufficient to permit insertion of said handle through said passageway without actuating said flexible arm.
Claim 13
Dependent Claim
38 words
The mechanism of claim 7 wherein said well comprises a blade support which bears a blade in an upright position for mounting at a point along said blade which preserves a useable portion of said blade's cutting edge.
Claim 14
Dependent Claim
19 words
The mechanism of claim 11 wherein said housing is transparent and wherein there are more than one said mechanism.
Claim 15
Dependent Claim
12 words
The mechanism of claim 12, wherein the device is wrapped and sterilized.
Claim 16
Dependent Claim
20 words
The mechanism of claim 7 which is mounted in a housing to provide a combination blade dispenser and disposal device.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-24 | 1991-11-23 | 1992-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-24 | 1995-11-23 | 1996-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-24 | 1999-11-23 | 2000-05-24 | $7700.00 | Window Closed / Lapsed |