US3925972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower with a side outlet
Assignee: Husqvarna AB
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Filing: 1974-06-14
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Granted: 1975-12-16
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Expires: 1994-06-14
Abstract
Abstract A rotary lawn mower arrangement which reduces the risks of injury from thrown objects by providing two flaps pivoting towards each other, located at the forward and rearward edges of the side outlet and an edge turned upwardly and defining the height of the outlet in the forward portion. The flaps and the upwardly turned edge prevent stones thrown by the rotor from passing through the outlet but allow the cut grass and air to pass therethrough.
Inventors
- 👤 Kjell Arne Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:55
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/71; A01D2101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A rotary lawn mower comprising: a chassis; wheels supporting said chassis; a rotor housing formed in said chassis; a cutting blade rotatably supported in housing; a motor means operatively associated with said blade for rotating same; said rotor housing having an open bottom, having a height increasing successively around said motor means, and portions of said housing defining a side outlet for expulsion of cut grass including front, rear, upper and lower edges; a pair of flap members pivotably attached respectively to said front and rear edges of said outlet and movable between a closed position in which they cover said outlet and an opened position in which they expose said outlet, said flap members being restricted in their movement away from said outlet to form a shield in their opened position against objects which are thrown by said blade through said outlet; a cover plate hingedly attached to said upper edge of said outlet for locking said flap members in their closed position; and said lower edge extending upwardly over the forward portion of said outlet limiting the height of said outlet at said forward portion relative to the height of said outlet at the rearward portion thereof.
Claim 2
Dependent Claim
199 words
A rotary lawn mower comprising: a chassis; wheels supporting said chassis; a rotor housing formed in said chassis; a cutting blade rotatably supported in housing; a motor means operatively associated with said blade for rotating same; said rotor housing having an open bottom, having a height increasing successively around said motor means, and portions of said housing defining a side outlet for expulsion of cut grass including front, rear, upper and lower edges; a pair of flap members pivotably attached respectively to said front and rear edges of said outlet and movable between a closed position in which they cover said outlet and an opened position in which they expose said outlet, said flap members being restricted in their movement away from said outlet to form a shield in their opened position against objects which are thrown by said blade through said outlet; a cover plate hingedly attached to said upper edge of said outlet for locking said flap members in their closed position; and said lower edge extending upwardly over the forward portion of said outlet limiting the height of said outlet at said forward portion relative to the height of said outlet at the rearward portion thereof.
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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |