Patent US4793592A successfully refreshed from Google Patents.
US4793592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural jack apparatus
Assignee: Individual
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Filing: 1987-09-10
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Granted: 1988-12-27
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Expires: 2007-09-10
Abstract
Abstract A mobile jack apparatus is configured to include a plurality of jacks positioned on a mobile telescoping support structure forwardly and rearwardly thereof. Jacks have selectively positionable thereon a variety of adjuncts enabling the aforenoted jacks to accommodate a variety of mechanical configurations. A central jack is selectively positionable within a housing structure on a forward medially portion of the rear portion of the telescoping support structure for optional use in accommodating various mechanical objects.
Inventors
- 👤 Charles L. Green
- 👤 Fran A. Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:11
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/36; B66F5/00; B66F5/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
222 words
A plural jack support apparatus for providing mobile, underlying support of mechanical objects comprising: a forward and rear relatively movable support base securable in a locked relationship, and forward and rear jack support recesses positioned on said respective forward and rear support base, and first and second extensible and retractable jack support means positionable within said respective forward and rear jack support recesses, and a pair of wheels secured to said forward support base and a pair of wheels secured to said rearward support base, and a handle means secured in a forward portion of said forward support base wherein said plural jack apparatus is maneuverable by means of said handle and mobile by means of said attached wheels for selective positioning of said apparatus to an underlying position of a mechanical object for support thereof by use of said jack members, and wherein a recessed compartment is formed within said rearward support base, and a third jack support means is positionable in a first horizontal position in said compartment not extending above said rear support base's upper surface, and said third jack support means positionable in a second vertical working position for extending and retracting a piston associated with said third jack support means for support of various mechanical objects in cooperative relationship with said first and second jack support means.
Claim 2
Dependent Claim
222 words
A plural jack support apparatus for providing mobile, underlying support of mechanical objects comprising: a forward and rear relatively movable support base securable in a locked relationship, and forward and rear jack support recesses positioned on said respective forward and rear support base, and first and second extensible and retractable jack support means positionable within said respective forward and rear jack support recesses, and a pair of wheels secured to said forward support base and a pair of wheels secured to said rearward support base, and a handle means secured in a forward portion of said forward support base wherein said plural jack apparatus is maneuverable by means of said handle and mobile by means of said attached wheels for selective positioning of said apparatus to an underlying position of a mechanical object for support thereof by use of said jack members, and wherein a recessed compartment is formed within said rearward support base, and a third jack support means is positionable in a first horizontal position in said compartment not extending above said rear support base's upper surface, and said third jack support means positionable in a second vertical working position for extending and retracting a piston associated with said third jack support means for support of various mechanical objects in cooperative relationship with said first and second jack support means.
Claim 3
Dependent Claim
26 words
A jack support apparatus as set forth in claim 1 wherein said third jack support means is positionable within a upstanding perimeter formed in such compartment.
Claim 4
Dependent Claim
33 words
Jack support apparatus as set forth in claim 1 wherein a plurality of head support members are positionable on said first, second and third jack support means for support of various mechanical objects
Claim 5
Dependent Claim
24 words
A jack support apparatus as set forth in claim 1 wherein said forward support base accommodates said rearward support base in a telescoping relationship.
Claim 6
Dependent Claim
59 words
A plural jack apparatus as set forth in claim 4 wherein said forward support base and said rearward support base are securable and lockable in a pre-selected position by means of alignment openings formed on said respective forward and rearward support bases in cooperation with a detend pin to maintain the alignment openings in a registered and aligned position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-12-27 | 1992-06-27 | 1992-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-27 | 1996-06-27 | 1996-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-27 | 2000-06-27 | 2000-12-27 | $7700.00 | Window Closed / Lapsed |