Patent CH447111A successfully refreshed from Google Patents.
US3870291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp device for laying-up machines suitable to keep each layer of fabric during its laying-up
Assignee: Individual
•
Filing: 1973-04-06
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Granted: 1975-03-11
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Expires: 1993-04-06
Abstract
Abstract A clamp device for laying-up machines for gripping and holding the end of a source of fabric presented to it by the carriage of the machine and to hold the end of fabric while a predetermined amount has been withdrawn and cut and then release it for stacking on the machine''s table prior to repeating the cycle.
Inventors
- 👤 Mario Fonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:26
CPC Classifications
A; A41; A41H; A41H15/00; A41H43/00; A41H43/005
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
169 words
In a fabric layinG-up machine of the type having a supporting table and a carriage with a fabric supply movable to and fro on the table for tentering and cutting successive layers of fabric of pre-determined length on the table, a fabric clamping device comprising: a. clamping means adjacent one end of the table for receiving the end of a supply of fabric presented by the carriage including separately mounted cooperating series of clasps with means mechanically linking said clasps one to the other; b. means movable with the carriage to effect actuation of said clamping means; c. operating means operatively associated with one series of said clasps and with said actuating means to effect gripping and release of each layer of fabric; and d. means included with said clamping means to be operatively contacted by said actuating means to cause raising of the clamping means during the tentering of a layer of fabric an amount preventing interference of each new layer with the previous tentered layer of fabric.
Claim 2
Dependent Claim
169 words
In a fabric layinG-up machine of the type having a supporting table and a carriage with a fabric supply movable to and fro on the table for tentering and cutting successive layers of fabric of pre-determined length on the table, a fabric clamping device comprising: a. clamping means adjacent one end of the table for receiving the end of a supply of fabric presented by the carriage including separately mounted cooperating series of clasps with means mechanically linking said clasps one to the other; b. means movable with the carriage to effect actuation of said clamping means; c. operating means operatively associated with one series of said clasps and with said actuating means to effect gripping and release of each layer of fabric; and d. means included with said clamping means to be operatively contacted by said actuating means to cause raising of the clamping means during the tentering of a layer of fabric an amount preventing interference of each new layer with the previous tentered layer of fabric.
Claim 3
Dependent Claim
169 words
In a fabric layinG-up machine of the type having a supporting table and a carriage with a fabric supply movable to and fro on the table for tentering and cutting successive layers of fabric of pre-determined length on the table, a fabric clamping device comprising: a. clamping means adjacent one end of the table for receiving the end of a supply of fabric presented by the carriage including separately mounted cooperating series of clasps with means mechanically linking said clasps one to the other; b. means movable with the carriage to effect actuation of said clamping means; c. operating means operatively associated with one series of said clasps and with said actuating means to effect gripping and release of each layer of fabric; and d. means included with said clamping means to be operatively contacted by said actuating means to cause raising of the clamping means during the tentering of a layer of fabric an amount preventing interference of each new layer with the previous tentered layer of fabric.
Claim 4
Dependent Claim
169 words
In a fabric layinG-up machine of the type having a supporting table and a carriage with a fabric supply movable to and fro on the table for tentering and cutting successive layers of fabric of pre-determined length on the table, a fabric clamping device comprising: a. clamping means adjacent one end of the table for receiving the end of a supply of fabric presented by the carriage including separately mounted cooperating series of clasps with means mechanically linking said clasps one to the other; b. means movable with the carriage to effect actuation of said clamping means; c. operating means operatively associated with one series of said clasps and with said actuating means to effect gripping and release of each layer of fabric; and d. means included with said clamping means to be operatively contacted by said actuating means to cause raising of the clamping means during the tentering of a layer of fabric an amount preventing interference of each new layer with the previous tentered layer of fabric.
Claim 5
Dependent Claim
34 words
The fabric clamp device according to claim 1 wherein said series of clasps are carried on adjacent parallel shafts and said operating means defines a two-armed lever operatively connected to one of said shafts.
Claim 6
Dependent Claim
28 words
The fabric clamp device according to claim 2 wherein said two-armed lever includes a roller carried on one arm thereof and disposed for engagement with said actuating 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) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |