US3643845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding strip stock
Assignee: PHILLIPS IND Inc
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Filing: 1969-12-18
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Granted: 1972-02-22
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Expires: 1989-12-18
Abstract
Abstract Strip stock feeding apparatus including a pair of diaphragm operated clamps, one movable and one stationary. A fluid cylinder is arranged to move the movable clamp back and forth. The two clamps are alternately actuated at the same time as the fluid cylinder so as to hold the stock in position while the movable clamp moves in one direction and so as to move the stock with the movable clamp as it moves in the opposite direction. Coil straightening rollers and guiding rollers are also provided.
Inventors
- 👤 Odis L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:21
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
266 words
A strip stock feeding apparatus for feeding strip stock to a punch press or the like comprising a frame; a first clamping assembly fixedly mounted on said frame; a second clamping assembly movably mounted on said frame; a first fluid cylinder motor having a piston connected to said second clamping assembly and a cylinder connected to said frame; said first clamping assembly comprising a base, spacer means, a guide member, a flexible diaphragm, a clamp member and a top member; means mounting said top member on said base with said spacer means immediately adjacent said base, said guide member positioned immediately atop and adjacent said spacer means and said flexible diaphragm positioned between and adjacent said top member and said guide so as to provide a space between said guide member and said base within which space the strip stock is received; said clamp member having an enlarged head thereon; said guide member having an opening therethrough which is complementary in configuration to said clamp member and includes a recess to receive said enlarged head; said recess extending a sufficient distance through said guide member to permit said clamp member to project out of said guide member toward said base into said space; means for moving fluid to a location between said top member and said diaphragm so as to cause said diaphragm to expand into said opening and force said clamp member to project out of said guide member into said space, and spring means acting between said guide member and said clamp member and tending to retract said clamp member into said guide member.
Claim 2
Dependent Claim
266 words
A strip stock feeding apparatus for feeding strip stock to a punch press or the like comprising a frame; a first clamping assembly fixedly mounted on said frame; a second clamping assembly movably mounted on said frame; a first fluid cylinder motor having a piston connected to said second clamping assembly and a cylinder connected to said frame; said first clamping assembly comprising a base, spacer means, a guide member, a flexible diaphragm, a clamp member and a top member; means mounting said top member on said base with said spacer means immediately adjacent said base, said guide member positioned immediately atop and adjacent said spacer means and said flexible diaphragm positioned between and adjacent said top member and said guide so as to provide a space between said guide member and said base within which space the strip stock is received; said clamp member having an enlarged head thereon; said guide member having an opening therethrough which is complementary in configuration to said clamp member and includes a recess to receive said enlarged head; said recess extending a sufficient distance through said guide member to permit said clamp member to project out of said guide member toward said base into said space; means for moving fluid to a location between said top member and said diaphragm so as to cause said diaphragm to expand into said opening and force said clamp member to project out of said guide member into said space, and spring means acting between said guide member and said clamp member and tending to retract said clamp member into said guide member.
Claim 3
Dependent Claim
147 words
The apparatus of claim 1 additionally comprising a first pair of rollers mounted on said frame and along side one another, said rollers being arranged to rotate about parallel axes and having concave outer peripheries adapted to receive the side edges of strip stock, said rollers being aligned with said space, said second clamping assembly also including a base, guide member and spacer means with said base anD guide member defining a space therebetween in alignment with said rollers and first-mentioned space, a second pair of rollers mounted on said frame and along side one another, said second pair of rollers being arranged to rotate about parallel axes and having concave outer peripheries adapted to receive the side edges of strip stock, said second pair of rollers being aligned with said first pair of rollers and with said spaces, said rollers being out board of said spaces.
Claim 4
Dependent Claim
73 words
The apparatus of claim 2 wherein there are provided roller mounting members mounting said rollers on said frame, said roller mounting members having slots which extend in the direction of spacing apart of said rollers, releasable means adjustably mounting said rollers on said roller mounting members for adjustment of said rollers away from one another or toward one another, said releasable means including screws extending through said slots, and nuts on said screws.
Claim 5
Dependent Claim
69 words
The apparatus of claim 3 additionally comprising: a pair of rotatably mounted cylinders connected to said frame and positioned in front of said first clamping assembly; and, an upper rotatably mounted cylinder connected to said frame and spring biased toward said pair being positioned therebetween and cooperatively with said pair flattening and aligning said strip stock with said space of said first clamping assembly and said second clamping assembly.
References Cited (Backward Citations)
US3123270A
Cited
US3289507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |