US3916725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear box carrying rotary scythe mower rotors driven from underneath
Assignee: Kuhn SAS
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Filing: 1974-04-11
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Granted: 1975-11-04
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Expires: 1994-04-11
Abstract
Abstract The disclosure is of a gear box carrying rotary scythe mower rotors, especially comprising an upper half box and a lower half box which are placed beneath the rotors, in which box there is lodged a train of pinions effecting the drive of the said rotors, characterised in that intermediate pinions placed between two adjacent rotors are articulated in rotation upon sockets fixed to or part of the upper half box and in that sockets fixed to or part of the lower half box partially fit into the upper sockets, a packing being gripped between the said sockets by a tightening screw.
Inventors
- 👤 Walter Reber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:01
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/664; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
115 words
A gear box carrying rotary scythe mower rotors, comprising an upper half box and a lower half box disposed beneath the rotors, a train of pinions in the box for effecting the drive of said rotors, certain of said pinions being intermediate the rotors, upper sockets secured to the upper half box, said intermediate pinions being mounted for rotation on said upper sockets, lower sockets secured to said lower half box, said lower sockets fitting partially into said upper sockets, tightening screws having heads that bear on said upper sockets, said screws extending through said upper sockets and being screw threadedly engaged only with said lower sockets, and packing between said upper and lower sockets.
Claim 2
Dependent Claim
115 words
A gear box carrying rotary scythe mower rotors, comprising an upper half box and a lower half box disposed beneath the rotors, a train of pinions in the box for effecting the drive of said rotors, certain of said pinions being intermediate the rotors, upper sockets secured to the upper half box, said intermediate pinions being mounted for rotation on said upper sockets, lower sockets secured to said lower half box, said lower sockets fitting partially into said upper sockets, tightening screws having heads that bear on said upper sockets, said screws extending through said upper sockets and being screw threadedly engaged only with said lower sockets, and packing between said upper and lower sockets.
Claim 3
Dependent Claim
18 words
A gear box as claimed in claim 1, there being lateral play between said upper and lower sockets.
Claim 4
Dependent Claim
17 words
A gear box as claimed in claim 1, said screws extending no lower than said lower sockets.
Claim 5
Dependent Claim
31 words
A gear box as claimed in claim 1, said lower half box being made of pressed sheet metal and said lower sockets being secured to said lower half box by welding.
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) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |