Patent JPS60130184A successfully refreshed from Google Patents.
Patent US3772905A successfully refreshed from Google Patents.
US3772905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bending machine for bars, wires and sections
Assignee: Individual
•
Filing: 1971-06-01
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Granted: 1973-11-20
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Expires: 1991-06-01
Abstract
Abstract A bending machine for bars in which there are provided bending angle circuits corresponding to the main bending angles, and a programme store circuit with a number of storage locations greater than the number of the main bending angles, with the bending angle circuits being connectible to the programme store circuit to follow programmes stored therein, with the programme store circuit being arranged to switch progressively at each switching step by one storage location.
Inventors
- 👤 C Peddinghaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:50
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/10; B21D11/12; B21D7/00; B21D7/12; Y; Y10; Y10S; Y10S72/00; Y10S72/702
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
112 words
A bending machine for bars, wires and sections of steel and similar materials, including a bending plate, a drive, a control circuit for the drive, bending angle circuits corresponding to the main bending angles, a programme store circuit with a number of storage locations exceeding the number of the main bending angles, said bending angle circuits each being connectable at choice in the programme store circuit, said programme store circuit switching progressively at each switching step by one storage location and in its turn can be switched over to the control circuit of the drive, in which position the programme store circuit switches progressively after each bending likewise by one storage location.
Claim 2
Dependent Claim
112 words
A bending machine for bars, wires and sections of steel and similar materials, including a bending plate, a drive, a control circuit for the drive, bending angle circuits corresponding to the main bending angles, a programme store circuit with a number of storage locations exceeding the number of the main bending angles, said bending angle circuits each being connectable at choice in the programme store circuit, said programme store circuit switching progressively at each switching step by one storage location and in its turn can be switched over to the control circuit of the drive, in which position the programme store circuit switches progressively after each bending likewise by one storage location.
Claim 3
Dependent Claim
31 words
The bending machine as claimed in claim 1, characterised in that the programme store circuit is a relay circuit which switches progressively over its storage locations by means of current impulses.
Claim 4
Dependent Claim
26 words
The bending machine as claimed in claim 1 characterised in that the bending angle circuits are connected with the programme store circuit through impulse scanning switches.
Claim 5
Dependent Claim
27 words
The bending machine as claimed in claim 1 characterised in that the bending angle circuits are directly switchable at choice into the control circuit for the drive.
Claim 6
Dependent Claim
41 words
The bending machine as claimed in claim 1, including a setting member rotatable with the bending plate, in that the bending angle circuits are adjustable to impulses corresponding to the main bending angles which can be initiated by said setting member.
Claim 7
Dependent Claim
56 words
The bending machine as claimed in claim 5 including at least one impulse transmitter switch which is stationary with respect to the setting member, characterised in that said setting member is a cam disc which is rotatable with the bending plate and which has cam means arranged to actuate said at least one impulse transmitter switch.
Claim 8
Dependent Claim
41 words
The bending machine as claimed in claim 6 characterised in that said cam means comprises as many switch cams as the number of the main bending angles, with the angluar positions of said switch cams corresponding to said main bending angles.
Claim 9
Dependent Claim
31 words
The bending machine as claimed in claim 1 characterised in that the bending angle circuits are constructed with cut-out delays which can be varied for different thicknesses and strengths of material.
Claim 10
Dependent Claim
31 words
The bending machine as claimed in claim 1 characterised in that the bending angle circuits are provided with timers which can be set to time values corresponding to the bending angles.
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |