US3665564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-fold metal fitting for adjusting steplessly the length of a watch band
Assignee: BAMBI KK
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Filing: 1970-06-02
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Granted: 1972-05-30
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Expires: 1990-06-02
Abstract
Abstract A three-fold metal fitting for a watch band capable of adjusting steplessly a length of the watch band, comprising an upper and a lower metal fittings, one strap and the other adjustable strap of the watch band being fixed thereto, respectively, and a first and a second foldable connecting plates pivotably mounted at each one end to each other and at each other end to the upper and the lower metal fittings, respectively, wherein the two metal fittings are constructed to come into contact with each other at a time of joining while the pivotably mounted portions of the foldable connecting plates being accomodated in the whole metal fitting, and fastening of the straps is carried out within the internal space defined by the upper and the lower metal fittings, especially the adjustable strap being optionally positioned by guiding it along the internal surface of the second foldable connecting plate fixed to the lower metal fitting.
Inventors
- 👤 Motoo Oka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:17
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/22; A44C5/24; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2143; Y10T24/2155; Y10T24/47; Y10T24/4782
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
226 words
A three-fold metal fitting for adjusting steplessly the length of a watch band, comprising an upper metal fitting having a curved plate and two downwardly bent upright walls with tapered and arcuate edgEs, one strap of said watch band being fixed to said upper metal fitting; a lower metal fitting having two upwardly bent upright walls, the other adjustable strap of said watch band being fixed to said lower metal fitting; a first foldable connecting plate pivotally mounted at one end to said upper metal fitting; a second foldable connecting plate pivotally mounted at one end to the other end of said first foldable connecting plate, the other end of said second foldable connecting plate being pivotally mounted in said upright walls of said lower metal fitting; an engaging flap provided on the other end of said second foldable connecting plate, said engaging flap being adapted to be engaged by a mounting member for said second foldable connecting plate; and a pressing plate and an eccentric pressing axle coaxially arranged and pivotally mounted in said upright walls of said lower metal fitting for fastening said adjustable strap; one end of said upright walls of said lower metal fitting being formed as a tapered face complemental to the tapered face of said bent walls of said upper metal fitting and the other end thereof being shaped arcuate.
Claim 2
Dependent Claim
226 words
A three-fold metal fitting for adjusting steplessly the length of a watch band, comprising an upper metal fitting having a curved plate and two downwardly bent upright walls with tapered and arcuate edgEs, one strap of said watch band being fixed to said upper metal fitting; a lower metal fitting having two upwardly bent upright walls, the other adjustable strap of said watch band being fixed to said lower metal fitting; a first foldable connecting plate pivotally mounted at one end to said upper metal fitting; a second foldable connecting plate pivotally mounted at one end to the other end of said first foldable connecting plate, the other end of said second foldable connecting plate being pivotally mounted in said upright walls of said lower metal fitting; an engaging flap provided on the other end of said second foldable connecting plate, said engaging flap being adapted to be engaged by a mounting member for said second foldable connecting plate; and a pressing plate and an eccentric pressing axle coaxially arranged and pivotally mounted in said upright walls of said lower metal fitting for fastening said adjustable strap; one end of said upright walls of said lower metal fitting being formed as a tapered face complemental to the tapered face of said bent walls of said upper metal fitting and the other end thereof being shaped arcuate.
Claim 3
Dependent Claim
40 words
A three-fold metal fitting as set forth is claim 1, wherein a pressing plate and an eccentric pressing axle for fixing said adjustable strap of said watch band are coaxially mounted in said upright walls of said lower metal fitting.
Claim 4
Dependent Claim
43 words
said curved plate of said upper fitting is constructed to be so curved and bent like a taper in the cross-section from a longitudinal direction and be fitted between upright walls of said lower fitting to cover the opening of said lower fitting;
Claim 5
Dependent Claim
43 words
said curved plate of said upper fitting is constructed to be so curved and bent like a taper in the cross-section from a longitudinal direction and be fitted between upright walls of said lower fitting to cover the opening of said lower fitting;
Claim 6
Dependent Claim
40 words
said engaging flap formed by cutting out itself is rotatably mounted on said pivot of said lower fitting and is constructed to abut elastically against said pivot of said upper fitting when the latter is snapped in said lower fitting;
Claim 7
Dependent Claim
40 words
said engaging flap formed by cutting out itself is rotatably mounted on said pivot of said lower fitting and is constructed to abut elastically against said pivot of said upper fitting when the latter is snapped in said lower fitting;
Claim 8
Dependent Claim
27 words
A three-fold metal fitting as set forth in claim 2, wherein said eccentric pressing axle is pivotally mounted in said upright walls of said lower metal fitting.
Claim 9
Dependent Claim
29 words
A three-fold metal fitting as set forth in claim 3, wherein an actuating member for swinging said eccentric pressing axle is provided at an arbitrary position on said axle.
Claim 10
Dependent Claim
46 words
said pressing plate is constructed to be in the form of a channel, seen from a longitudinal direction of said one strap and said eccentric pressing axle is constructed to be in the form of a triangle, seen from the lateral direction of said adjustable strap.
Claim 11
Dependent Claim
46 words
said pressing plate is constructed to be in the form of a channel, seen from a longitudinal direction of said one strap and said eccentric pressing axle is constructed to be in the form of a triangle, seen from the lateral direction of said adjustable strap.
Claim 12
Dependent Claim
176 words
A three-fold metal fitting for adjusting steplessly the length of a watch band, comprising an upper metal fitting having a curved plate and two downwardly bent upright walls, with one strap of said watch band being fixed to said upper metal fitting; a lower metal fitting having two upwardly bent upright walls, with the other adjustable strap of said watch band being fixed to said lower metal fitting; a first foldable connecting plate rotatably mounted at one end on a pivot provided into said upright walls of said upper fitting; a second foldable connecting plate pivotally mounted at one end to the other end of said first foldable connecting plate and being at the other end rotatably mounted on a pivot provided in said upright walls of said lower metal fitting; an engaging flap provided on the other end of said second foldable connecting plate; and a pressing plate and an eccentric pressing axle co-axially arranged and pivotably mounted in said upright walls of said lower metal fitting for fastening said adjustable strap, characterized by that:
Claim 13
Dependent Claim
176 words
A three-fold metal fitting for adjusting steplessly the length of a watch band, comprising an upper metal fitting having a curved plate and two downwardly bent upright walls, with one strap of said watch band being fixed to said upper metal fitting; a lower metal fitting having two upwardly bent upright walls, with the other adjustable strap of said watch band being fixed to said lower metal fitting; a first foldable connecting plate rotatably mounted at one end on a pivot provided into said upright walls of said upper fitting; a second foldable connecting plate pivotally mounted at one end to the other end of said first foldable connecting plate and being at the other end rotatably mounted on a pivot provided in said upright walls of said lower metal fitting; an engaging flap provided on the other end of said second foldable connecting plate; and a pressing plate and an eccentric pressing axle co-axially arranged and pivotably mounted in said upright walls of said lower metal fitting for fastening said adjustable strap, characterized by that:
Claim 14
Dependent Claim
73 words
A three-fold metal fitting as set forth in claIm 5 wherein said curved plate is provided along the whole lateral width of its free end with an upwardly bent portion of such a gentle slope in the form of a crescent as not to hurt the tip of the finger nail, serving as a hook for said tip for use when said upper metal fitting is to be separated from said lower one.
Claim 15
Dependent Claim
77 words
A three-fold metal fitting as set forth in said claim 5 wherein a fastener is inserted through the opening of said upper fitting with said one strap being fixed thereto, being rotatably mounted between said bent walls of said upper fitting by an another pivot and has a stopper flap arranged between said curved plate and said pivot of said upper fitting to prevent said strap from being bent acutely at the opening of said upper fitting.
Claim 16
Dependent Claim
90 words
A three-fold metal fitting as set forth in said claim 5 wherein said second foldable connecting plate has longitudinal upright walls on both sides formed by bending which results in a comfortable wearing at the intersections so as to accomodate completely said first foldable connecting plate, with the height thereof being somewhat larger than the thickness of the latter and is hinged by means of a pivot on the same plane as it to said first foldable connecting plate so as to reduce the folded plates as much as possible.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |