US3584836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable force applicator
Assignee: Lear Siegler Inc
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Filing: 1969-07-17
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Granted: 1971-06-15
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Expires: 1989-07-17
Abstract
Abstract A portable force applicator having selectively operable vacuum anchorage for a power actuated mast and a hydraulic ram for pivotally actuating the mast. A power-actuated vacuum cup for attachment to an object upon which force is to be exerted, is connected by an articulate chain at selected adjustable positions along the mast.
Inventors
- 👤 Edward F Brubaker Sr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:56
CPC Classifications
B; B21; B21D; B21D1/00; B21D1/14; Y; Y10; Y10S; Y10S72/00; Y10S72/705
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
75 words
A portable force applicator comprising, in combination: a base having vacuum gripping means operable to detachably anchor the base on a selected support surface, an elongated mast pivotally connected at one end to said base, and extensiblecontractible power-actuated means mounted between said base and mast and selectively operable to forcefully pivot said mast relative to said base whereby movement of said mast may be coupled to an object for the purpose of applying force thereto.
Claim 2
Dependent Claim
75 words
A portable force applicator comprising, in combination: a base having vacuum gripping means operable to detachably anchor the base on a selected support surface, an elongated mast pivotally connected at one end to said base, and extensiblecontractible power-actuated means mounted between said base and mast and selectively operable to forcefully pivot said mast relative to said base whereby movement of said mast may be coupled to an object for the purpose of applying force thereto.
Claim 3
Dependent Claim
17 words
A portable force applicator in accordance with claim 1, and evacuator means for actuating said gripping means.
Claim 4
Dependent Claim
34 words
A portable force applicator in accordance with claim 2, and means adjustably connected to said mast, between the outer end thereof and said power-actuated means, and having connection with said mast and said object.
Claim 5
Dependent Claim
36 words
A portable force applicator in accordance with claim 1 wherein said base has a longItudinal axis and said mast pivots on an axis perpendicular to said longitudinal axis and in a plane coincident with the latter.
Claim 6
Dependent Claim
41 words
A portable force applicator in accordance with claim 1 wherein said base has a elongated configuration and said gripping means includes a resilient portion depending from the periphery of said base to enclose a vacuum chamber between said base and surface.
Claim 7
Dependent Claim
24 words
A portable force applicator in accordance with claim 2 wherein said power-actuated means is a hydraulic ram extending angularly between said mast and base.
Claim 8
Dependent Claim
25 words
A portable force applicator in accordance with claim 1 including transmitting means extending between said mast and said object for transferring force to the latter.
Claim 9
Dependent Claim
44 words
A portable force applicator in accordance with claim 7 wherein said transmitting means includes means adjustably connected along the length of said mast, and attachment means adapted to be connected to said object and having articulate connection with said means connected to said mast.
Claim 10
Dependent Claim
22 words
A portable force applicator in accordance with claim 8 wherein said attachment means includes a vacuum-actuated cup means engageable with said object.
Claim 11
Dependent Claim
36 words
A portable force applicator in accordance with claim 8 wherein said gripping and attachment means cooperate with venturi means communicating with a source of pressurized air and said chamber and vacuum cup for vacuum actuation thereof.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |