US3803818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mower with selectively actuatable edger
Assignee: Individual
•
Filing: 1973-01-23
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Granted: 1974-04-16
•
Expires: 1993-01-23
Abstract
Abstract A rotary mower of the type including a body deck beneath which a horizontal rotary blade is disposed and having a vertical output shaft motor supported from and in elevated position relative to the deck with the depending output shaft of the motor projecting downwardly through a central opening in the deck and having the rotary blade mounted thereon. A mount is secured to one side of the deck and a slide is supported from the mount for vertical shifting relative thereto. A first horizontal transverse spindle is journaled from the slide and has a vertically disposed rotary edging blade mounted thereon. A pair of second horizontal frontto-rear extending spindles are journaled from the mount in general axial alignment at the same side of the deck and the second spindles are shiftable along their axes of rotation and carry pulley wheels on their remote ends, the first horizontal transverse spindle supported from the slide also including a pulley wheel and the portion of the output shaft extending between the underside of the motor and the upper side of the deck having a drive pulley mounted thereon. An endless flexible belt is trained about the drive pulley and the pulleys carried by the spindles and the spindles journaled from the mount and the slide include coacting structure whereby the horizontal front-to-rear extending spindles are shifted apart as the slide is lowered to an intermediate position from its upper position to tension the drive belt and the front-to-rear extending spindles are allowed to shift back toward each other as the slide is lowered from its intermediate position to a lower position.
Inventors
- 👤 C Chaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:38
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/16
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
229 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a horizontal deck beneath which a rotary blade is disposed, an upstanding driven shaft portion spaced inwardly of one side of said deck, an edging attachment including a drive pulley mounted on said shaft portion for rotation therewith, a mount supported from said one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled therefrom for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, a pair of horizontal front-to-rear extending spindles journaled from said mount at said one side of said deck and in general axial alignment with each other and shiftable along the axes of rotation thereof, said spindles having idler pulleys mounted thereon disposed on opposite sides of an upstanding transverse plane containing said driven shaft portion and spaced in general horizontal alignment with said drive pulley above said torque input pulley, an endless flexible drive member trained about said drive, pulley, said torque input pulley and said idler pulleys, and said slide and spindles including coacting means operative to shift said spindles away from each other in response to lowering of said slide relative to said mount from an upper position thereof.
Claim 2
Dependent Claim
229 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a horizontal deck beneath which a rotary blade is disposed, an upstanding driven shaft portion spaced inwardly of one side of said deck, an edging attachment including a drive pulley mounted on said shaft portion for rotation therewith, a mount supported from said one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled therefrom for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, a pair of horizontal front-to-rear extending spindles journaled from said mount at said one side of said deck and in general axial alignment with each other and shiftable along the axes of rotation thereof, said spindles having idler pulleys mounted thereon disposed on opposite sides of an upstanding transverse plane containing said driven shaft portion and spaced in general horizontal alignment with said drive pulley above said torque input pulley, an endless flexible drive member trained about said drive, pulley, said torque input pulley and said idler pulleys, and said slide and spindles including coacting means operative to shift said spindles away from each other in response to lowering of said slide relative to said mount from an upper position thereof.
Claim 3
Dependent Claim
37 words
The combination of claim 1 wherein said coacting means includes means operative to shift said spindles toward each other in response to said slide being lowered downward past a predetermined intermediate position toward a predetermined lower position.
Claim 4
Dependent Claim
268 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a wheeled horizontal deck beneath which a horizontal rotary blade is disposed with a vertical output shaft motor supported from and in elevated position relative to the deck and including a depending output shaft projecting downwardly through a central opening in the deck and having the rotary blade mounted thereon, an edging attachment for said mower, said attachment including a drive pulley mounted on the portion of said shaft extending between the underside of said motor and said deck, a mount secured to one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled therefrom for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, a pair of horizontal front-to-rear extending spindles journaled from said mount at said one side of said deck and in general axial alignment with each other and shiftable along the axes of rotation thereof, said spindles having idler pulleys mOunted thereon disposed on opposite sides of an upstanding transverse plane containing said output shaft and spaced in general horizontal alignment with said drive pulley above said torque input pulley, an endless flexible drive member trained about said drive, pulley, said torque input pulley and said idler pulleys, and said slide and spindles including coacting means operative to shift said spindles away from each other in response to lowering of said slide relative to said mount from an upper position thereof.
Claim 5
Dependent Claim
268 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a wheeled horizontal deck beneath which a horizontal rotary blade is disposed with a vertical output shaft motor supported from and in elevated position relative to the deck and including a depending output shaft projecting downwardly through a central opening in the deck and having the rotary blade mounted thereon, an edging attachment for said mower, said attachment including a drive pulley mounted on the portion of said shaft extending between the underside of said motor and said deck, a mount secured to one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled therefrom for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, a pair of horizontal front-to-rear extending spindles journaled from said mount at said one side of said deck and in general axial alignment with each other and shiftable along the axes of rotation thereof, said spindles having idler pulleys mOunted thereon disposed on opposite sides of an upstanding transverse plane containing said output shaft and spaced in general horizontal alignment with said drive pulley above said torque input pulley, an endless flexible drive member trained about said drive, pulley, said torque input pulley and said idler pulleys, and said slide and spindles including coacting means operative to shift said spindles away from each other in response to lowering of said slide relative to said mount from an upper position thereof.
Claim 6
Dependent Claim
37 words
The combination of claim 3 wherein said coacting means includes means operative to shift said spindles toward each other in response to said slide being lowered downward past a predetermined intermediate position toward a predetermined lower position.
Claim 7
Dependent Claim
37 words
The combination of claim 4 wherein the last mentioned means includes means operative to maintain substantially the same tension on said drive member during downward movement of said slide from said intermediate position to said lower position.
Claim 8
Dependent Claim
248 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a wheeled horizontal deck beneath which a horizontal rotary blade is disposed with a vertical output shaft motor supported from and in elevated position relative to the deck and including a depending output shaft projecting downwardly through a central opening in the deck and having the rotary blade mounted thereon, an edging attachment for said mower, said attachment including a drive pulley mounted on the portion of said shaft extending between the underside of said motor and said deck, a mount secured to one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled therefrom for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, drive means including an endless drive belt drivingly connecting said drive pulley to said torque input pulley, said drive means and said slide including coacting means operative to untension said belt in response to movement of said slide from a predetermined intermediate position toward an upper position disposed thereabove, said coacting means also being operative to tension said belt in response to downward shifting of said slide from said upper position toward said intermediate position and maintain generally constant tension of said belt in response to downward shifting of said slide from said intermediate position to a predetermined lower position.
Claim 9
Dependent Claim
248 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a wheeled horizontal deck beneath which a horizontal rotary blade is disposed with a vertical output shaft motor supported from and in elevated position relative to the deck and including a depending output shaft projecting downwardly through a central opening in the deck and having the rotary blade mounted thereon, an edging attachment for said mower, said attachment including a drive pulley mounted on the portion of said shaft extending between the underside of said motor and said deck, a mount secured to one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled therefrom for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, drive means including an endless drive belt drivingly connecting said drive pulley to said torque input pulley, said drive means and said slide including coacting means operative to untension said belt in response to movement of said slide from a predetermined intermediate position toward an upper position disposed thereabove, said coacting means also being operative to tension said belt in response to downward shifting of said slide from said upper position toward said intermediate position and maintain generally constant tension of said belt in response to downward shifting of said slide from said intermediate position to a predetermined lower position.
Claim 10
Dependent Claim
206 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a horizontal deck beneath which a rotary blade is disposed, an upstanding driven shaft portion spaced inwardly of one side of said deck, an edging attachment including a drive pulley mounted on said shaft portion for rotation therewith, a mount supported from one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled thereon for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, drive means including an endless drive belt drivingly connecting said drive pulley and said torque input pulley, said drive means and slide including coacting means operative to untension said belt in response to movement of said slide from a predetermined intermediate position toward an upper position disposed thereabove, said coacting means also being operative to tension said belt in response to downward shifting of said slide from said upper position toward said intermediate position, and maintain generally constant tension of said belt in response to downward shifting of said slide from said intermediate position to a predetermined lower position.
Claim 11
Dependent Claim
206 words
In combination, a rotary mower including front and rear ends and opposite sides as well as a horizontal deck beneath which a rotary blade is disposed, an upstanding driven shaft portion spaced inwardly of one side of said deck, an edging attachment including a drive pulley mounted on said shaft portion for rotation therewith, a mount supported from one side of said deck, a slide supported from said mount for vertical adjustment relative thereto, journal means supported from said slide and having a vertically disposed rotary edging blade journaled thereon for rotation about a horizontal transverse axis, a torque input pulley supported for rotation with said blade, drive means including an endless drive belt drivingly connecting said drive pulley and said torque input pulley, said drive means and slide including coacting means operative to untension said belt in response to movement of said slide from a predetermined intermediate position toward an upper position disposed thereabove, said coacting means also being operative to tension said belt in response to downward shifting of said slide from said upper position toward said intermediate position, and maintain generally constant tension of said belt in response to downward shifting of said slide from said intermediate position to a predetermined lower 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) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |