Patent US3699752A successfully refreshed from Google Patents.
US3699752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular constructed rotary mower
Assignee: DANDL Manufacturing Co Inc
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Filing: 1971-05-17
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Granted: 1972-10-24
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Expires: 1991-05-17
Abstract
Abstract A modular constructed rotary mower is provided with structural module means, a gear box assembly, a depending shaft and a rotary mower blade. Front and rear bars are attached to the structural module means. Hitch means are attached to the front bar and running gear are attached to the rear bar.
Inventors
- 👤 John E Dandl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:45
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/661
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
146 words
A modular constructed rotary mower comprising: a. a plurality of interchangeable structural modules each having a front side and a rear side in opposed parallel relationship with said front side, the length of said front side and said rear side defining the width of said structural modules; b. a gearbox assembly mounted on each structural modules; c. a shaft depending from said gearbox assembly; d. a rotary mower blade mounted on said shaft; e. power transmission means for drivingly connecting said gearbox assembly with a source of power; f. a front bar attached to the front side of each of said structural modules for interconnecting the front sides thereof; g. a rear bar attached to the rear side of each of said structural modules for interconnecting the rear sides thereof; h. hitch means attached to said front bar; and running gear attached to said rear bar.
Claim 2
Dependent Claim
146 words
A modular constructed rotary mower comprising: a. a plurality of interchangeable structural modules each having a front side and a rear side in opposed parallel relationship with said front side, the length of said front side and said rear side defining the width of said structural modules; b. a gearbox assembly mounted on each structural modules; c. a shaft depending from said gearbox assembly; d. a rotary mower blade mounted on said shaft; e. power transmission means for drivingly connecting said gearbox assembly with a source of power; f. a front bar attached to the front side of each of said structural modules for interconnecting the front sides thereof; g. a rear bar attached to the rear side of each of said structural modules for interconnecting the rear sides thereof; h. hitch means attached to said front bar; and running gear attached to said rear bar.
Claim 3
Dependent Claim
47 words
The invention of claim 1 wherein each structural modules comprise first parallel spaced longitudinal beam members extending from the front side of the module to the rear side thereof, and second parallel spaced transverse beam members, said first and second parallel beam members forming an H frame.
Claim 4
Dependent Claim
38 words
The invention of claim 2 wherein each structural modules further comprise a mounting plate attached centrally of said H frame between said first parallel beam members and between said second parallel beam members and mounting said gearbox assembly.
Claim 5
Dependent Claim
118 words
The invention of claim 2 wherein each structural modules further comprise a front frame member defining said front side attached to a front end of each of said first parallel beam members and parallel to said second parallel beam members, a. a side frame member attached to each end of said front frame member and extending rearwardly parallel to said first parallel beam members, b. and a rear frame member defining said rear side attached to the rearward end of each of said side frame members and parallel to said front frame member, whereby said front, side and rear frame members enclose the mower blade, and wherein said front bar is attached to each said front frame member.
Claim 6
Dependent Claim
46 words
The invention of claim 2 wherein each structural modules further comprise a tubular sleeve attached to the rearward ends of said first parallel beam members and transverse therewith, and wherein said rear bar extends coaxially through each tubular sleeve and it restrained longitudinally with respect thereto.
Claim 7
Dependent Claim
16 words
The invention of claim 1 wherein said modules comprise at least two modules having different widths.
Claim 8
Dependent Claim
17 words
The invention of claim 1 wherein said modules comprise at least two modules having the same width.
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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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |