US3898950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rowing apparatus
Assignee: Individual
•
Filing: 1974-02-12
•
Granted: 1975-08-12
•
Expires: 1994-02-12
Abstract
Abstract A rowing apparatus for use in a rowing shell, said apparatus being a unitary structure adapted to be readily removed from the shell, in which oar-supporting single part riggers extend upwardly from the ends of a support member and outwardly over the gunwale of the shell, and are removable from the support member by an upward movement, so that said rigger may be removed to allow the shell to be stored without removing the rowing apparatus. A mechanism is also provided for vertical adjustment of the outermost ends of the riggers, to accomodate different rowing conditions.
Inventors
- 👤 Arthur E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:14
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
137 words
A rowing apparatus comprising a seat and longitudinally extending means supporting the seat and allowing fore and aft movement thereof, a continuous rigid support beam extending transversely of said longitudinal means and having upturned ends at opposite sides thereof, and a pair of riggers for assembly onto said upturned ends, said riggers having an outer end portion which when assembled with the support beam ends, extends from said support beam outwardly over the gunwale of the boat, the inner end of said riggers and the ends of said support beam having connecting means permitting limited pivotal adjustment of said rigger in relation thereto only in a vertical plane to permit adjustment of the heIght of the outermost end of the rigger without impairing the strength in torsion of the connection between the rigger and the support beam.
Claim 2
Dependent Claim
137 words
A rowing apparatus comprising a seat and longitudinally extending means supporting the seat and allowing fore and aft movement thereof, a continuous rigid support beam extending transversely of said longitudinal means and having upturned ends at opposite sides thereof, and a pair of riggers for assembly onto said upturned ends, said riggers having an outer end portion which when assembled with the support beam ends, extends from said support beam outwardly over the gunwale of the boat, the inner end of said riggers and the ends of said support beam having connecting means permitting limited pivotal adjustment of said rigger in relation thereto only in a vertical plane to permit adjustment of the heIght of the outermost end of the rigger without impairing the strength in torsion of the connection between the rigger and the support beam.
Claim 3
Dependent Claim
66 words
In a rowing apparatus of the type which comprises riggers for supporting oarlocks beyond the gunwale of the boat, the improvement comprising support means for said riggers and means connecting said riggers to said supporting means, and means permitting angular adjustment of said rigger only in a vertical plane in relation to said support to adjust the height of the oarlock supporting portion of the riggers.
Claim 4
Dependent Claim
66 words
In a rowing apparatus of the type which comprises riggers for supporting oarlocks beyond the gunwale of the boat, the improvement comprising support means for said riggers and means connecting said riggers to said supporting means, and means permitting angular adjustment of said rigger only in a vertical plane in relation to said support to adjust the height of the oarlock supporting portion of the riggers.
Claim 5
Dependent Claim
58 words
A rowing apparatus as set forth in claim 2 in which said support means and the innermost end of said riggers have overlapping portions, one overlapping portion being pivoted on the other in a vertical plane and means for adjusting the angle between said overlapping portions to thereby adjust the height of the outer end of the rigger.
Claim 6
Dependent Claim
104 words
A rigger assembly for use in a rowing mechanism, comprising a rigger support in the form of a continuous rigid beam dimensioned to extend across the bottom of a rowing shell, and having upturned end portions, and a rigger assembled onto each upturned end portion, the riggers each having a downwardly extending portion for connection to the upwardly extending end portion of the rigger support, said connection between the rigger and the rigger support being shaped and arranged to resist torsional forces applied thereto during rowing and to allow for pivotal adjustment of the rigger in a vertical plane in relation to the support.
Claim 7
Dependent Claim
104 words
A rigger assembly for use in a rowing mechanism, comprising a rigger support in the form of a continuous rigid beam dimensioned to extend across the bottom of a rowing shell, and having upturned end portions, and a rigger assembled onto each upturned end portion, the riggers each having a downwardly extending portion for connection to the upwardly extending end portion of the rigger support, said connection between the rigger and the rigger support being shaped and arranged to resist torsional forces applied thereto during rowing and to allow for pivotal adjustment of the rigger in a vertical plane in relation to the support.
Claim 8
Dependent Claim
65 words
A rigger assembly as set out in claim 4 in which one of said portions has a recess enclosing the end of the other portion and stop means in the recess against which the end of the other portion bears when assembled, said one portion being pivotable about said stop means in a vertical plane to raise and lower the outer end of the rigger.
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) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |