Patent US3845682A successfully refreshed from Google Patents.
Patent US4599796A successfully refreshed from Google Patents.
US4599796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter blade device of mowing machine
Assignee: Kioritz Corp
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Filing: 1985-04-08
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Granted: 1986-07-15
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Expires: 2005-04-08
Abstract
Abstract A cutter blade device of a mowing machine including a casing, and an inertia shifter has at least one pawl member formed at one of the inertia shifter and casing, and at least one receiving portion formed at the other of the inertia shifter and casing. The pawl member is engageable with the receiving portion to restrict a rearward movement of the inertia shifter with respect to the rotary casing.
Inventors
- 👤 Toru Baba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:38
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/416; A01D34/4161; A01D34/4162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A cutter blade device of a mowing machine comprising: a rotary casing; at least one flexible cord held in the rotary casing in coiled form; and an inertia shifter formed with an aperature for drawing a free end portion of the cords therethrough from the rotary casing to outside, said inertia shifter being arranged in the rotary casing for sliding movement both axially and peripherally of the rotary casing and capable of being brought into and out of locking engagement with the rotary casing in a position anterior to the shifter with respect to the direction of rotation of the rotary casing; wherein the improvement comprises: at least one pawl member provided to one of the inertia shifter and rotary casing and operable in a direction opposite the direction of rotation of the rotary casing; and at least one receiving portion provided to the other of the inertia shifter and rotary casing and operative to come into engagement with the pawl member.
Claim 2
Dependent Claim
162 words
A cutter blade device of a mowing machine comprising: a rotary casing; at least one flexible cord held in the rotary casing in coiled form; and an inertia shifter formed with an aperature for drawing a free end portion of the cords therethrough from the rotary casing to outside, said inertia shifter being arranged in the rotary casing for sliding movement both axially and peripherally of the rotary casing and capable of being brought into and out of locking engagement with the rotary casing in a position anterior to the shifter with respect to the direction of rotation of the rotary casing; wherein the improvement comprises: at least one pawl member provided to one of the inertia shifter and rotary casing and operable in a direction opposite the direction of rotation of the rotary casing; and at least one receiving portion provided to the other of the inertia shifter and rotary casing and operative to come into engagement with the pawl member.
References Cited (Backward Citations)
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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) | 1989-07-14 | 1990-01-13 | 1990-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-14 | 1994-01-13 | 1994-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-14 | 1998-01-13 | 1998-07-15 | $7700.00 | Window Closed / Lapsed |