US5052073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backpack-type power working machine
Assignee: Kioritz Corp
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Filing: 1991-01-23
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Granted: 1991-10-01
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Expires: 2011-01-23
Abstract
Abstract A backpack-type power working machine comprising: a carrying frame having side guard sections on both sides thereof, a fan attached to the carrying frame through intermediation of vibration-damping members, an engine connected to the fan, and an air cleaner having side end sections and situated at a position behind the fan and above the engine, the side end sections of the air cleaner being respectively attached to the side guard sections of the carrying frame.
Inventors
- 👤 Giichi Iida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:19
CPC Classifications
F; F16; F16M; F16M3/00; F16M11/00; F16M11/20; F16M11/22; F16M13/00; F16M13/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
74 words
A backpack-type power working machine comprising: a carrying frame having side guard sections on both sides thereof, a fan attached to said carrying frame through intermediation of vibration-damping members, an engine connected to said fan, and an air cleaner having side end sections and situated at a position behind said fan and said engine, said side end sections of said air cleaner being respectively attached to said side guard sections of said carrying frame.
Claim 2
Dependent Claim
74 words
A backpack-type power working machine comprising: a carrying frame having side guard sections on both sides thereof, a fan attached to said carrying frame through intermediation of vibration-damping members, an engine connected to said fan, and an air cleaner having side end sections and situated at a position behind said fan and said engine, said side end sections of said air cleaner being respectively attached to said side guard sections of said carrying frame.
Claim 3
Dependent Claim
98 words
A backpack-type power working machine as claimed in claim 1, wherein said carrying frame is composed of a main frame section to be held against back of an operator and said side guard sections, which are formed on both sides of said main frame section and bent rearwards at thin-walled sections integrally formed with said main frame section, said entire carrying frame being integrally formed of plastic, with said main frame section and said side guard sections being connected to each other so that said entire carrying frame may be formed into a U-shape when seen from above.
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) | 1994-09-30 | 1995-04-01 | 1995-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-30 | 1999-04-01 | 1999-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-30 | 2003-04-01 | 2003-10-01 | $7700.00 | Window Closed / Lapsed |