Patent US3147987A successfully refreshed from Google Patents.
US3147987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable wheel support for a lawn mower
Assignee: Sunbeam Corp
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Filing: 1962-08-22
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Granted: 1964-09-08
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Expires: 1982-08-22
Abstract
No abstract record available.
Inventors
- 👤 Ritums Mikelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:41
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/74; A01D2101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A WHEEL MOUNTING ATTACHMENT FOR A LAWN MOWER COMPRISING A SUPPORTING PLATE, A WHEEL MOUNTING MEMBER HAVING AN AXLE AND BEING PIVOTALLY CONNECTED TO SAID PLATE, MEANS LATCHING SAID MEMBER IN A PLURALITY OF SELECTED ROTARY POSITIONS FOR SELECTED AXLE HEIGHTS, SAID LAST-MENTIONED MEANS INCLUDING A SERIES OF SLOTS AND A COOPERATING LATCH PIN ON SAID SUPPORTING PLATE AND SAID WHEEL MOUNTING MEMBER MOVABLE INTO ANY ONE OF SAID SLOTS TO POSITION SAID MEMBER IN ONE OF SAID ROTARY POSITIONS, A PIN ON SAID PLATE EXTENDING THROUGH A SLOT ON SAID MEMBER TO PERMIT LIMITED SLIDING MOTION OF SAID MEMBER WITH RESPECT TO SAID PLATE FOR DISENGAGING SAID LATCH PIN FROM SAID SLOTS, AND SPRING MEANS URGING SAID MEMBER TO A LATCHED POSITION.
Claim 2
Dependent Claim
123 words
A WHEEL MOUNTING ATTACHMENT FOR A LAWN MOWER COMPRISING A SUPPORTING PLATE, A WHEEL MOUNTING MEMBER HAVING AN AXLE AND BEING PIVOTALLY CONNECTED TO SAID PLATE, MEANS LATCHING SAID MEMBER IN A PLURALITY OF SELECTED ROTARY POSITIONS FOR SELECTED AXLE HEIGHTS, SAID LAST-MENTIONED MEANS INCLUDING A SERIES OF SLOTS AND A COOPERATING LATCH PIN ON SAID SUPPORTING PLATE AND SAID WHEEL MOUNTING MEMBER MOVABLE INTO ANY ONE OF SAID SLOTS TO POSITION SAID MEMBER IN ONE OF SAID ROTARY POSITIONS, A PIN ON SAID PLATE EXTENDING THROUGH A SLOT ON SAID MEMBER TO PERMIT LIMITED SLIDING MOTION OF SAID MEMBER WITH RESPECT TO SAID PLATE FOR DISENGAGING SAID LATCH PIN FROM SAID SLOTS, AND SPRING MEANS URGING SAID MEMBER TO A LATCHED POSITION.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |