US5027481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shell buckle
Assignee: Illinois Tool Works Inc
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Filing: 1990-11-01
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Granted: 1991-07-02
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Expires: 2010-11-01
Abstract
Abstract A shell buckle for releasably securing together a pair of ends of a belt, strap or the like includes a shell buckle latch member and a shell buckle body member. The latch member has a pair of opposed resilient arms which are movable toward and away from each other. The body member includes a central body portion which has a pair of resilient arch members extending from the opposite sides thereof so as to form a C-shaped section. The resilient arms are receivable in the central body portion and are releasably interengaging with means of the body member to connect the latch and body members together. The resilient arch members include opposite side guard members which are movable inwardly relative to each other with a curling action to form the C-shaped section with a smaller radius to cause inward movement of the resilient arms on the latch member to disengage the latch member from the body member.
Inventors
- 👤 Francis G. Frano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:08
CPC Classifications
A; A44; A44B; A44B11/00; A44B11/25; A44B11/26; A44B11/266; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45482; Y10T24/45524; Y10T24/45529; Y10T24/45534; Y10T24/45602; Y10T24/45623; Y10T24/45628; Y10T24/45634
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
275 words
A shell buckle comprising: a shell buckle body member; a shell buckle latch member; said shell buckle body member being formed of an end wall, a central body portion, and a front section, said central body portion being joined to said end wall at its one end and to said front section at its other end, said central body portion being defined by upper and lower side walls, said front section having an opening which is located opposite said end wall for receiving said shell buckle latch member and having inner retaining surfaces; said lower side wall of said central body portion including a pair of resilient arch members extending from opposite sides thereof so as to form a C-shaped section, said pair of arch members having side guard members which are separated from said end wall and said front section by arcuate slots, said guard members having actuating members formed on its inner surfaces; said shell body latch member including a base member, a central member connected to said base member with an end distal to the connection of said central member to said base member, and a pair of resilient arms extending from distal end of said central member and towards said base member, said resilient arms having locking projections for releasably engaging said inner retaining surfaces of said body member; and said side guard members being resiliently flexible toward each other in a curling action to form the C-shaped section with a smaller radius and to cause said actuating members to urge said arms to flex resiliently toward each other so as to disengage said locking projections from said inner retaining surfaces.
Claim 2
Dependent Claim
275 words
A shell buckle comprising: a shell buckle body member; a shell buckle latch member; said shell buckle body member being formed of an end wall, a central body portion, and a front section, said central body portion being joined to said end wall at its one end and to said front section at its other end, said central body portion being defined by upper and lower side walls, said front section having an opening which is located opposite said end wall for receiving said shell buckle latch member and having inner retaining surfaces; said lower side wall of said central body portion including a pair of resilient arch members extending from opposite sides thereof so as to form a C-shaped section, said pair of arch members having side guard members which are separated from said end wall and said front section by arcuate slots, said guard members having actuating members formed on its inner surfaces; said shell body latch member including a base member, a central member connected to said base member with an end distal to the connection of said central member to said base member, and a pair of resilient arms extending from distal end of said central member and towards said base member, said resilient arms having locking projections for releasably engaging said inner retaining surfaces of said body member; and said side guard members being resiliently flexible toward each other in a curling action to form the C-shaped section with a smaller radius and to cause said actuating members to urge said arms to flex resiliently toward each other so as to disengage said locking projections from said inner retaining surfaces.
Claim 3
Dependent Claim
36 words
A shell buckle as claimed in claim 1, wherein said guard members are formed of a reduced thickness so as to facilitate a quick-release of said shell buckle latch member from said shell buckle body member.
Claim 4
Dependent Claim
29 words
A shell buckle as claimed in claim 1, wherein an interior surface of said upper side wall includes a longitudinally extending rib member which serves as a guide member.
Claim 5
Dependent Claim
54 words
A shell buckle as claimed in claim 3, wherein said central member of said latch member includes a pair of spaced-apart strut members forming a channel therebetween, said strut members serving as guide rails for said rib member so as to facilitate alignment and proper orientation of said latch member to said body member.
Claim 6
Dependent Claim
49 words
A shell buckle as claimed in claim 4, wherein said front section includes relatively narrower upper and lower side walls, one of said narrower upper and lower side walls having an arcuate shape so as to assist in the proper orientation of said latch member to said body member.
Claim 7
Dependent Claim
34 words
A shell buckle as claimed in claim 1, wherein said actuating members is comprised of inwardly extending tabs for engagement with said locking projections to force said locking projections away from said retaining surfaces.
Claim 8
Dependent Claim
25 words
A shell buckle as claimed in claim 1, wherein said latch member and said body member are made of a plastic material by injection molding.
Claim 9
Dependent Claim
30 words
A shell buckle as claimed in claim 1, wherein said latch member and said body member each includes means for connecting an end of a strap to be attached thereto.
Claim 10
Dependent Claim
24 words
A shell buckle as claimed in claim 1, wherein said central body portion of said shell buckle body member is generally rectangular in shape.
Claim 11
Dependent Claim
37 words
A shell buckle as claimed in claim 1, wherein said locking projections are formed with slightly sloping surfaces to cause said resilient arms to flare outwardly so as to prevent unlocking of said latch and buckle members.
Claim 12
Dependent Claim
175 words
A shell buckle for releasably securing together a pair of ends of a belt, strap or the like comprising: a shell buckle latch member having a pair of opposed resilient arms being movable toward and away from each other; a shell buckle body member including a central body portion having a pair of resilient arch members extending from the opposite sides thereof so as to form a C-shaped section having a C-shaped cross section lying in a plane perpendicular to a direction of insertion of said latch member into said central body portion; said resilient arms being receivable in said central body portion and releasably interengaging with means of said shell buckle body member to connect said latch member and body member together; and said resilient arch member including opposite side guard members being movable inwardly relative to each other in a curling action to form the C-shaped section with a smaller radius and to cause inward movement of said resilient arms on said latch member to disengage said latch member from said body member.
Claim 13
Dependent Claim
175 words
A shell buckle for releasably securing together a pair of ends of a belt, strap or the like comprising: a shell buckle latch member having a pair of opposed resilient arms being movable toward and away from each other; a shell buckle body member including a central body portion having a pair of resilient arch members extending from the opposite sides thereof so as to form a C-shaped section having a C-shaped cross section lying in a plane perpendicular to a direction of insertion of said latch member into said central body portion; said resilient arms being receivable in said central body portion and releasably interengaging with means of said shell buckle body member to connect said latch member and body member together; and said resilient arch member including opposite side guard members being movable inwardly relative to each other in a curling action to form the C-shaped section with a smaller radius and to cause inward movement of said resilient arms on said latch member to disengage said latch member from said body member.
Claim 14
Dependent Claim
36 words
A shell buckle as claimed in claim 11, wherein said guard members are formed of a reduced thickness so as to facilitate a quick-release of said shell buckle latch member from said shell buckle body member.
Claim 15
Dependent Claim
25 words
A shell buckle as claimed in claim 11, wherein said latch member and said body member are made of a plastic material by injection molding.
Claim 16
Dependent Claim
30 words
A shell buckle as claimed in claim 11, wherein said latch member and said body member each includes means for connecting and end of a strap to be attached thereto.
Claim 17
Dependent Claim
24 words
A shell buckle as claimed in claim 11, wherein said central body portion of said shell buckle body member is generally rectangular in shape.
Claim 18
Dependent Claim
42 words
A shell buckle as claimed in claim 11, wherein said opposed resilient arms are formed with locking projections having slightly sloping surfaces to cause said opposed resilient arms to flare outwardly, thereby preventing disengagement of said latch member from said body member.
References Cited (Backward Citations)
US3430306A
Cited
FR2226129A1
Cited
FR2451175A1
Cited
GB2138879A
Cited
GB2156423A
Cited
US4831694A
Cited
US4987661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-01 | 1994-12-31 | 1995-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-01 | 1998-12-31 | 1999-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-01 | 2002-12-31 | 2003-07-02 | $7700.00 | Window Closed / Lapsed |