US3724510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A dobby
Assignee: Staeubli AG
•
Filing: 1971-05-26
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Granted: 1973-04-03
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Expires: 1991-05-26
Abstract
Abstract Dobby with logic control, in which for each heald shaft a needle reads a pattern card and controls the heald shaft operating mechanism, wherein first the reading needle (4) and pattern card perform in the longitudinal direction of the two card reciprocally a pilgrim step movement (61), namely two steps forward, one step backward, and second the reading needle and pattern card perform a reciprocal movement in transverse direction to the pattern card preferably each for a half or full interval back and forth (68).
Inventors
- 👤 W Kleiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:19
CPC Classifications
D; D03; D03C; D03C1/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
186 words
A dobby, comprising: a rotatable drive shaft; an eccentric ring mounted on said drive shaft and being rotatable with respect thereto; a connecting rod having means defining a first opening therein and adapted to rotatably receive said eccentric ring therein; a wedge member radially slidably mounted on said eccentric ring and adapted to releasably couple said eccentric ring and said drive shaft; a control arm and means movably supporting said control arm, said control arm having means on one end defining a second opening therethrough larger in diameter than said drive shaft and receiving said drive shaft therein, said control arm having needle means on the opposite end thereof and adapted to engage a pattern card having at least two rows of selectively positioned holes therein, said control arm being adapted to permit said needle means to become aligned with selected ones of said rows; and connecting means for connecting said control arm to said wedge member whereby a movement of said control arm effects a radially slidable movement of said wedge member to thereby control said coupling between said eccentric ring and said drive shaft.
Claim 2
Dependent Claim
186 words
A dobby, comprising: a rotatable drive shaft; an eccentric ring mounted on said drive shaft and being rotatable with respect thereto; a connecting rod having means defining a first opening therein and adapted to rotatably receive said eccentric ring therein; a wedge member radially slidably mounted on said eccentric ring and adapted to releasably couple said eccentric ring and said drive shaft; a control arm and means movably supporting said control arm, said control arm having means on one end defining a second opening therethrough larger in diameter than said drive shaft and receiving said drive shaft therein, said control arm having needle means on the opposite end thereof and adapted to engage a pattern card having at least two rows of selectively positioned holes therein, said control arm being adapted to permit said needle means to become aligned with selected ones of said rows; and connecting means for connecting said control arm to said wedge member whereby a movement of said control arm effects a radially slidable movement of said wedge member to thereby control said coupling between said eccentric ring and said drive shaft.
Claim 3
Dependent Claim
37 words
A dobby according to claim 1, including control means for selectively controlling said control arm and the position of said needle means to effect an alignment of said needle means with at least one of said rows.
Claim 4
Dependent Claim
43 words
A dobby according to claim 2, wherein said control arm has a flexible characteristic and said flexible characteristic permits a lateral shiftability of said needle means to effect said alignment with said selected ones of said rows in response to said control means.
Claim 5
Dependent Claim
50 words
A dobby according to claim 3, wherein said control means comprises a laterally shiftable comb member engaging said control arm adjacent the end thereof containing said needle means, said comb member effecting a flexing of said control arm to align said needle means with said selected ones of said rows.
Claim 6
Dependent Claim
30 words
A dobby according to Claim 4, wherein said means movably supporting said control arm comprises a pivotal support for pivotally supporting said control arm for movement about a pivot axis.
Claim 7
Dependent Claim
54 words
A dobby according to claim 5, wherein said pivot axis is located between said second opening and said needle means; and including a lifting bar adapted to engage and pivot said control arm about said pivot axis to effect a cooperation of said needle means with a pattern of holes in said pattern card.
References Cited (Backward Citations)
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Cited
US1256644A
Cited
US3171445A
Cited
US3407848A
Cited
US3468347A
Cited
US3554238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |