US3789630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock or cam arrangement for knitting machines
Assignee: Henkel Dorus GmbH and Co KG
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Filing: 1971-10-22
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Granted: 1974-02-05
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Expires: 1991-10-22
Abstract
Abstract A knitting machine is made to be adaptable to a wide range of knitting patterns and knitting conditions by providing of a carriage, individual cam control structural units or modules which may be individually replaced. Each module has a standard mounting arrangement, but has individual cam and cam control arrangements.
Inventors
- 👤 H Schieber
- 👤 E Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:25
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/32; D04B15/36
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
123 words
A switchable lock or cam arrangement on flat bed knitting machines, said arrangement comprising a base plate, a plurality of separate structural units, each of said structural units comprising a body, at least one guide having a cam attached thereto, said guide being movably mounted on said body for movement of said cam to different positions, separate switchable means also mounted on the body and positioned for locking its associated guide in preselected position with respect to the body and means for separately detachably mounting each structural unit as a separate integral body with its own associated guides, cams and switchable means contained thereon, separately onto said base plate, whereby said units are individually replaceable for obtaining any desired variation in knitting pattern.
Claim 2
Dependent Claim
123 words
A switchable lock or cam arrangement on flat bed knitting machines, said arrangement comprising a base plate, a plurality of separate structural units, each of said structural units comprising a body, at least one guide having a cam attached thereto, said guide being movably mounted on said body for movement of said cam to different positions, separate switchable means also mounted on the body and positioned for locking its associated guide in preselected position with respect to the body and means for separately detachably mounting each structural unit as a separate integral body with its own associated guides, cams and switchable means contained thereon, separately onto said base plate, whereby said units are individually replaceable for obtaining any desired variation in knitting pattern.
Claim 3
Dependent Claim
17 words
An arrangement according to claim 1, wherein said structural units are each arranged in a separate housing.
Claim 4
Dependent Claim
26 words
An arrangement according to claim 2, wherein a spring is provided within each housing for biasing said guide, and its associated cam, toward a given position.
Claim 5
Dependent Claim
13 words
An arrangement according to claim 2, wherein said housings are formed of plastic.
Claim 6
Dependent Claim
32 words
An arrangement according to claim 1, wherein each structural unit is provided with bolts for the switching of cams, each bolt being detachably connected with the corresponding bolt of the adjacent unit.
Claim 7
Dependent Claim
34 words
An arrangement according to claim 1, wherein each guide, and its associated cam, is mechanically movable and wherein there are provided locking devices actuable to hold said guides and associated cams in given position.
Claim 8
Dependent Claim
17 words
An arrangement according to claim 6, wherein there are provided electromagnets arranged to actuate said locking devices.
Claim 9
Dependent Claim
20 words
An arrangement according to claim 6, wherein there are provided electromagnets arranged to obtain direct switching of the individual cams.
Claim 10
Dependent Claim
13 words
An arrangement according to claim 1, wherein the structural unit contains needle raisers.
Claim 11
Dependent Claim
13 words
An arrangement according to claim 1, wherein the structural unit contains needle lowerers.
Claim 12
Dependent Claim
14 words
An arrangement according to claim 1, wherein the structural unit contains loop transfer means.
Claim 13
Dependent Claim
13 words
An arrangement according to claim 1, wherein the structural unit contains safety means.
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) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |