US3814268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk material scraper
Assignee: Gustav Schade Maschinenfabrik GmbH and Co
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Filing: 1972-11-01
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Granted: 1974-06-04
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Expires: 1992-11-01
Abstract
Abstract A bulk material scraper includes a gantry spanning a dump pile and having an articulated jib supported thereon for raising and lowering movement. The articulated jib is laterally supported by the gantry in all positions of the jib during raising and lowering movement thereof.
Inventors
- 👤 G Fischer
- 👤 G Strocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:50
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/02; B65G65/06
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
334 words
In an apparatus for removing bulk material from the storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jiB means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises an elongated structural member extending outwardly from said one end portion in a direction generally parallel to said longitudinal axis of said first jib member, said structural member includes an attaching portion attached to said one end portion and an extension portion spaced above said attaching portion and extending outwardly from said one end portion, said structural member being upwardly and outwardly inclined from said attaching portion to said extension portion.
Claim 2
Dependent Claim
334 words
In an apparatus for removing bulk material from the storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jiB means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises an elongated structural member extending outwardly from said one end portion in a direction generally parallel to said longitudinal axis of said first jib member, said structural member includes an attaching portion attached to said one end portion and an extension portion spaced above said attaching portion and extending outwardly from said one end portion, said structural member being upwardly and outwardly inclined from said attaching portion to said extension portion.
Claim 3
Dependent Claim
330 words
In an apparatus for removing bulk material from a storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises an elongated structural member extending outwardly from said one end portion in a direction generally parallel to said longitudinal axis of said first jib member, said structural member includes an attaching portion and an extension portion, and said gantry means includes upright guide means for guiding said structural member, said extension portion is bifurcated to include laterally spaced-apart arms positioned on opposite sides of said guide means.
Claim 4
Dependent Claim
330 words
In an apparatus for removing bulk material from a storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises an elongated structural member extending outwardly from said one end portion in a direction generally parallel to said longitudinal axis of said first jib member, said structural member includes an attaching portion and an extension portion, and said gantry means includes upright guide means for guiding said structural member, said extension portion is bifurcated to include laterally spaced-apart arms positioned on opposite sides of said guide means.
Claim 5
Dependent Claim
332 words
In an apparatus for removing bulk material from a storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along the pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement compriSing; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises an elongated structural member extending outwardly from said one end portion in a direction generally parallel to said longitudinal axis of said first jib member, said structural member includes an attaching portion and an extension portion, and said gantry means includes upright guide means for guiding said structural member, said attaching portion is bifurcated to include laterally spaced-apart attaching arms positioned on opposite sides of said one end portion.
Claim 6
Dependent Claim
332 words
In an apparatus for removing bulk material from a storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along the pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement compriSing; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises an elongated structural member extending outwardly from said one end portion in a direction generally parallel to said longitudinal axis of said first jib member, said structural member includes an attaching portion and an extension portion, and said gantry means includes upright guide means for guiding said structural member, said attaching portion is bifurcated to include laterally spaced-apart attaching arms positioned on opposite sides of said one end portion.
Claim 7
Dependent Claim
291 words
In an apparatus for removing bulk material from a storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said aritculation joint being movable in an arcuate path during raising and lowering movement of siad first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises first and second lateral support members, one of said lateral support members being attached to each of said first and second end portions of said first jib member.
Claim 8
Dependent Claim
291 words
In an apparatus for removing bulk material from a storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said aritculation joint being movable in an arcuate path during raising and lowering movement of siad first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means comprises first and second lateral support members, one of said lateral support members being attached to each of said first and second end portions of said first jib member.
Claim 9
Dependent Claim
22 words
The device of claim 4 wherein said gantry includes upright guide means and said support members extend closely adjacent said guide means.
Claim 10
Dependent Claim
30 words
The device of claim 5 wherein said guide means includes an upright guideway slot and at least one of said support members includes an extension portion received in said slot.
Claim 11
Dependent Claim
41 words
The device of claim 6 wherein said guide means includes an upright guide member and the other of said lateral support members includes a bifurcated extension portion having laterally spaced-apart extension arms positioned on opposite sides of said upright guide member.
Claim 12
Dependent Claim
295 words
In an apparatus for removing bulk material from storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib membEr in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means is on said second end portion of said first jib member and said second jib member includes a pair of laterally spaced-apart inclined jib members, said support means extending between said inclined jib members.
Claim 13
Dependent Claim
295 words
In an apparatus for removing bulk material from storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second opposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib membEr in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said lateral support means is on said second end portion of said first jib member and said second jib member includes a pair of laterally spaced-apart inclined jib members, said support means extending between said inclined jib members.
Claim 14
Dependent Claim
301 words
In an apparatus for removing bulk material from storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second oposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said scraper means includes laterally spaced-apart pairs of said first and second jib members and said support means extends between said gantry and both of said first and second end portions of said first jib member on each of said pair of jib members.
Claim 15
Dependent Claim
301 words
In an apparatus for removing bulk material from storage pile having a base, said apparatus including movable gantry means for spanning said pile and being movable along said pile, scraper jib means supported on said gantry for scraping material from said pile, said scraper jib means including at least first and second jib members, said first jib member having first and second oposite end portions and a longitudinal axis, support means for movably supporting said first jib member on said gantry for raising and lowering movement with said longitudinal axis thereof in a substantially horizontal position, said second jib member having first and second opposite end portions, said first end portion of said second jib member being pivotally connected to said gantry adjacent said base of said pile for pivotal movement of said second jib member in a substantially vertical plane, said second end portion of said second jib member being pivotally connected with said second end portion of said first jib member at an articulation joint, said articulation joint being movable in an arcuate path during raising and lowering movement of said first jib member so that said first jib member also moves in a direction generally parallel to its longitudinal axis during raising and lowering movement thereof, the improvement comprising; lateral support means extending between at least one of said first and second end portions of said first jib member and said gantry means for laterally supporting said scraper jib means in all positions thereof during raising and lowering movement of said first jib member, said scraper means includes laterally spaced-apart pairs of said first and second jib members and said support means extends between said gantry and both of said first and second end portions of said first jib member on each of said pair of jib members.
Claim 16
Dependent Claim
63 words
The device of claim 4 wherein said second support means form a rearward extension of said first jib member extending outwardly from a point adjacent said articulation joint to the portion of said gantry arranged above the pivotal connection of said second jib and said gantry for laterally supporting said second end of said first jib member during raising and lowering movement thereof.
Claim 17
Dependent Claim
52 words
The device of claim 10 wherein said second lateral support means is attached to said first jib member with its longitudinal axis vertically offset to the longitudinal axis of said first jib member whereby said second lateral support member is positioned a distance above said longitudinal axis of said first jib member.
Claim 18
Dependent Claim
11 words
The device of claim 11 wherein said axes extend substantially parallel.
Claim 19
Dependent Claim
69 words
The device of claim 10 wherein said first lateral support means at said first end portion of said first jib member form an extension of said first jib member, the longitudinal axis of said extension being vertically offset to the longitudinal axis of said first jib member whereby said extension of said first lateral support means is positioned a distance above said longitudiNal axis of said first jib member.
Claim 20
Dependent Claim
29 words
The device of claim 13 wherein said longitudinal axis of said extension of said first lateral support means extends substantially parallel to said longitudinal axis of first jib member.
Claim 21
Dependent Claim
64 words
The device of claim 10 wherein said second lateral support mean comprises parallel first and second lateral support members each forming an extension of said first jib member, said lateral support members being attached at opposite sides of said first jib member adjacent to second end, and said lateral support members forming a forked portion adapted to embrace an upright member of said gantry.
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |