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US5630507A Expired / Lapsed US ⏱️ 0.0 years remaining

Single-action latch

Assignee: Precimed Inc
•
Filing: 1996-02-09
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Granted: 1997-05-20
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Expires: 2016-02-09
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Abstract

Abstract A single-action latch for use on a medical case which includes a storage tray and a closing lid includes a latch base with a mounting surface and rivet holes for attaching the latch base to the storage tray. A hook portion is pivotally attached to the latch base by means of a cylindrical pin. A release/closing lever is pivotally attached to the latch base by means of a cylindrical pin. A pair of oppositely-disposed connecting links is provided so as to interconnect the hook portion with the release/closing lever. The connecting links separate the hook portion from the latch base and the release/closing lever from the latch base. The latch is operable between a closed condition and an open condition and the lever is pivotally movable so as to transition the latch from the closed condition to the opened condition and then back to the closed condition. The positioning of the connecting links relative to the pivot axis of the lever ensures an over-the-center linkage arrangement so as to provide a positive snap-closed design.

Inventors

  • 👤 Terry L. Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:44
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/06; A; A61; A61F; A61F17/00; B; B65; B65D; B65D45/00; B65D45/02; B65D45/16; B65D45/20; B65D45/24; E05C19/00; E05C19/10; E05C19/12; E05C19/14; Y; Y10; Y10S; Y10S292/00; Y10S292/49; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0946

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 146 words
A single-action latch for use on a container having a storage tray and a closing lid, said latch comprising: a latch base having a mounting surface and means for attaching said latch base to the storage tray; a hook portion pivotally attached to said latch base; a release/closing lever pivotally attached to said latch base; a pair of oppositely-disposed connecting links wherein each connecting link being pivotally connected at one end to said hook portion and being pivotally connected at an opposite end to said lever; and said latch being operable between a closed condition wherein said hook portion secures said closing lid to said storage tray and an opened condition wherein said closing lid is separable from said storage tray, said lever being pivotally movable so as to transition said latch from said closed condition to said opened condition and back to said closed condition.
Claim 2
Dependent Claim 146 words
A single-action latch for use on a container having a storage tray and a closing lid, said latch comprising: a latch base having a mounting surface and means for attaching said latch base to the storage tray; a hook portion pivotally attached to said latch base; a release/closing lever pivotally attached to said latch base; a pair of oppositely-disposed connecting links wherein each connecting link being pivotally connected at one end to said hook portion and being pivotally connected at an opposite end to said lever; and said latch being operable between a closed condition wherein said hook portion secures said closing lid to said storage tray and an opened condition wherein said closing lid is separable from said storage tray, said lever being pivotally movable so as to transition said latch from said closed condition to said opened condition and back to said closed condition.
Claim 3
Dependent Claim 34 words
The single-action latch of claim 1 wherein said release/closing lever has a pivot axis and said pair of oppositely-disposed connecting links are spaced apart from said axis so as to provide an over-the-center arrangement.
Claim 4
Dependent Claim 24 words
The single-action latch of claim 2 wherein said hook portion is pivotally attached to said latch base by means of a substantially cylindrical pin.
Claim 5
Dependent Claim 24 words
The single-action latch of claim 3 wherein said release/closing lever is pivotally attached to said latch base by means of a substantially cylindrical pin.
Claim 6
Dependent Claim 31 words
The single-action latch of claim 4 wherein said pair of oppositely-disposed connecting links are connected to said hook portion by a first pin and to said lever by a second pin.
Claim 7
Dependent Claim 18 words
The single-action latch of claim 5 which further includes a bail handle pivotally mounted to said latch base.
Claim 8
Dependent Claim 33 words
The single-action latch of claim 6 wherein said bail handle has two free ends which are mounted into corresponding semi-cylindrical sleeves, said sleeves being received by oppositely disposed portions of said latch base.
Claim 9
Dependent Claim 18 words
The single-action latch of claim 1 which further includes a bail handle pivotally mounted to said latch base.
Claim 10
Dependent Claim 33 words
The single-action latch of claim 8 wherein said bail handle has two free ends which are mounted into corresponding semi-cylindrical sleeves, said sleeves being received by oppositely disposed portions of said latch base.
Claim 11
Dependent Claim 202 words
A medical case for the storage of medically-related instruments and equipment, said medical case comprising: a tray portion having an open top, base and surrounding sidewalls; a lid sized and constructed to fit over said tray portion and close said open top; and a pair of single-action latches, each latch being securely attached to a sidewall of said tray portion along opposite sides of said tray portion, each latch comprising: (a) a latch base having a mounting surface and means for attaching said latch base to the storage tray; (b) a hook portion pivotally attached to said latch base; (c) a release/closing lever pivotally attached to said latch base; (d) a pair of oppositely-disposed connecting links wherein each connecting link being pivotally connected at one end to said hook portion and being pivotally connected at an opposite end to said lever; and (e) said latch being operable between a closed condition wherein said hook portion secures said closing lid to said storage tray and an opened condition wherein said closing lid is separable from said storage tray, said lever being pivotally movable so as to transition said latch from said closed condition to said opened condition and back to said closed condition.
Claim 12
Dependent Claim 202 words
A medical case for the storage of medically-related instruments and equipment, said medical case comprising: a tray portion having an open top, base and surrounding sidewalls; a lid sized and constructed to fit over said tray portion and close said open top; and a pair of single-action latches, each latch being securely attached to a sidewall of said tray portion along opposite sides of said tray portion, each latch comprising: (a) a latch base having a mounting surface and means for attaching said latch base to the storage tray; (b) a hook portion pivotally attached to said latch base; (c) a release/closing lever pivotally attached to said latch base; (d) a pair of oppositely-disposed connecting links wherein each connecting link being pivotally connected at one end to said hook portion and being pivotally connected at an opposite end to said lever; and (e) said latch being operable between a closed condition wherein said hook portion secures said closing lid to said storage tray and an opened condition wherein said closing lid is separable from said storage tray, said lever being pivotally movable so as to transition said latch from said closed condition to said opened condition and back to said closed condition.
Claim 13
Dependent Claim 34 words
The medical case of claim 10 wherein each release/closing lever has a pivot axis and each pair of oppositely-disposed connecting links are spaced apart from said axis so as to provide an over-the-center arrangement.
Claim 14
Dependent Claim 25 words
The medical case of claim 11 wherein each hook portion is pivotally attached to its corresponding latch base by means of a substantially cylindrical pin.
Claim 15
Dependent Claim 25 words
The medical case of claim 12 wherein each release/closing lever is pivotally attached to its corresponding latch base by means of a substantially cylindrical pin.
Claim 16
Dependent Claim 33 words
The medical case of claim 13 wherein each pair of oppositely-disposed connecting links are connected to said corresponding hook portion by a first pin and to said corresponding lever by a second pin.
Claim 17
Dependent Claim 21 words
The medical case of claim 14 wherein each latch further includes a bail handle pivotally mounted to the corresponding latch base.
Claim 18
Dependent Claim 33 words
The medical case of claim 15 wherein each bail handle has two free ends which are mounted into corresponding semi-cylindrical sleeves, said sleeves being received by oppositely-disposed portions of a corresponding latch base.
Claim 19
Dependent Claim 142 words
A single-action latch for use on a container having a storage tray and a closing lid, said latch comprising: a latch base having a mounting surface and means for attaching said latch base to the storage tray; a hook portion pivotally attached to said latch base; a release/closing lever pivotally attached to said latch base; a pair of oppositely-disposed connecting links wherein each connecting link being connected at one end to said hook portion and at an opposite end to said lever; and said latch being operable between a closed condition wherein said hook portion secures said closing lid to said storage tray and an opened condition wherein said closing lid is separable from said storage tray, said lever being pivotally movable so as to transition said latch from said closed condition to said opened condition and back to said closed condition.
Claim 20
Dependent Claim 142 words
A single-action latch for use on a container having a storage tray and a closing lid, said latch comprising: a latch base having a mounting surface and means for attaching said latch base to the storage tray; a hook portion pivotally attached to said latch base; a release/closing lever pivotally attached to said latch base; a pair of oppositely-disposed connecting links wherein each connecting link being connected at one end to said hook portion and at an opposite end to said lever; and said latch being operable between a closed condition wherein said hook portion secures said closing lid to said storage tray and an opened condition wherein said closing lid is separable from said storage tray, said lever being pivotally movable so as to transition said latch from said closed condition to said opened condition and back to said closed condition.

References Cited (Backward Citations)

US2744778A Cited
US2893771A Cited
US3338387A Cited
US4241833A Cited
US4915913A Cited
US5257839A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-05-19 2000-11-18 2001-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-05-19 2004-11-18 2005-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-05-19 2008-11-18 2009-05-20 $7700.00 Window Closed / Lapsed

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