US3848500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Registering device for gaps to be formed in a slide fastener chain
Assignee: YKK Corp
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Filing: 1973-12-03
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Granted: 1974-11-19
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Expires: 1993-12-03
Abstract
Abstract A gap registering device is disclosed for adjusting a length of fastener elements to be cut in a position registering with a cutting tool such that there will be produced no undesirable element debris on either side of the resulting gap in a slide fastener chain. The device includes spring-loaded clamping means for holding and compressing a length of fastener elements so that endmost ones of the elements are brought into precise registry with the path of a vertically movable cutting tool.
Inventors
- 👤 K Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:44
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/58; Y; Y10; Y10S; Y10S83/00; Y10S83/921; Y10T; Y10T29/00; Y10T29/51; Y10T29/5101; Y10T29/53; Y10T29/53291; Y10T29/53309; Y10T83/00; Y10T83/444; Y10T83/4564; Y10T83/4567; Y10T83/4645; Y10T83/647; Y10T83/6572; Y10T83/748; Y10T83/7487; Y10T83/7573
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
147 words
A registering device for gaps to be formed in a slide fastener chain having rows of continuous fastener elements and intermittently transported in a horizontal plane, which device comprises in combination with a cutting tool: a. a vertically movable supporting block; b. a pair of carriages mounted movably in said block and positioned on opposite sides of the cutting tool; c. a pair of clamping arms pivotally connected to the respective carriages and adapted to compress a length of fastener elements inwardly adjacent the cutting tool; d. actuating means for moving said carriages horizontally inwardly toward each other relative to the cutting tool; e. a first spring means interposed between said block and each of said carriages and normally urging the latter away from the cutting tool; and f. a second spring means adapted to urge said clamping arm normally toward the plane of the fastener chain.
Claim 2
Dependent Claim
147 words
A registering device for gaps to be formed in a slide fastener chain having rows of continuous fastener elements and intermittently transported in a horizontal plane, which device comprises in combination with a cutting tool: a. a vertically movable supporting block; b. a pair of carriages mounted movably in said block and positioned on opposite sides of the cutting tool; c. a pair of clamping arms pivotally connected to the respective carriages and adapted to compress a length of fastener elements inwardly adjacent the cutting tool; d. actuating means for moving said carriages horizontally inwardly toward each other relative to the cutting tool; e. a first spring means interposed between said block and each of said carriages and normally urging the latter away from the cutting tool; and f. a second spring means adapted to urge said clamping arm normally toward the plane of the fastener chain.
Claim 3
Dependent Claim
33 words
The registering device as claimed in claim 1 wherein said clamping arm is provided with a toothed end dimensioned to fit into the spaces between the leg portions of adjacent individual fasteneR elements.
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |