US3827323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhung shear
Assignee: Meyer Roth and Pastor Maschinenfabrik GmbH
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Filing: 1968-08-20
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Granted: 1974-08-06
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Expires: 1988-08-20
Abstract
Abstract An overhung or flying shear for cutting wire or band sections or the like from moving articles, such as rods, bands or the like, is provided with a slide for the cutting chuck, the slide being movable parallel to the direction of this movement by a crank drive which actuates at the same time the knife guided by the slide, the shear being particularly characterized by a transmission member which is directly connected with the connecting rod of the crank drive and which directly moves the knife.
Inventors
- 👤 K Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:18
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4734; Y10T83/4757; Y10T83/4763; Y10T83/869; Y10T83/8772
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
67 words
An overhung shear for the cutting of a movable wire and the like, comprising a slide, a cutting chuck carried by the slide, a knife guided by said slide and a crank drive having a connecting rod and a transmission member connected directly with said connecting rod and directly actuating said knife, said crank drive moving said slide parallel to the direction of movement of the wire.
Claim 2
Dependent Claim
67 words
An overhung shear for the cutting of a movable wire and the like, comprising a slide, a cutting chuck carried by the slide, a knife guided by said slide and a crank drive having a connecting rod and a transmission member connected directly with said connecting rod and directly actuating said knife, said crank drive moving said slide parallel to the direction of movement of the wire.
Claim 3
Dependent Claim
62 words
An overhung shear in accordance with claim 1, comprising a guide adjustably supporting said knife, said knife having the shape of a circular segment and being located to the side of said connecting rod, said crank drive having a crank, said connecting rod having an arm connected with said crank and a free arm extending at an obtuse angle to said arm.
Claim 4
Dependent Claim
41 words
An overhung shear in accordance with claim 2, wherein said knife is fixed to a rear end of said free arm, said overhung shear comprising a setting screw carried by said free arm and actuating the rear end of said knife.
Claim 5
Dependent Claim
20 words
An overhung shear in accordance with claim 2, wherein said free arm is angularly adjustable in relation to said knife.
Claim 6
Dependent Claim
58 words
An overhung shear in accordance with claim 2, comprising a knife holder having a recess, said knife being longitudinally movable in said knife holder, said transmission member consisting of a free arm of the connecting rod, said connecting rod having a crank-connected arm connected with said free arm, said free arm having an end projecting into said recess.
Claim 7
Dependent Claim
54 words
An overhung shear in accordance with claim 1, whereiN said knife is guided along a straight line by said slide, said overhung shear having a knife holder carrying said knife and directly connected with said connecting rod, said knife holder moving said slide, and means for guiding the reciprocating end of said connecting rod.
Claim 8
Dependent Claim
23 words
An overhung shear in accordance with claim 6, wherein the last-mentioned means comprise a link guiding the reciprocating end along a curved path.
References Cited (Backward Citations)
US2079974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |