Patent US4682464A successfully refreshed from Google Patents.
US4682464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rake
Assignee: Individual
•
Filing: 1986-01-21
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Granted: 1987-07-28
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Expires: 2006-01-21
Abstract
Abstract The present invention is an improved rake which includes a drag portion having a plurality of prongs and a handle portion connecting to the drag portion by an engaging means which includes a clip member for clipping and a U-shaped member for holding the drag portion and the handle portion that can be used to connect the two portions integrally and firmly when the rake is in use and can be easily detached from each other by releasing the engaging means for convenience in transportation.
Inventors
- 👤 Han-Ching Sun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:32
CPC Classifications
A; A01; A01D; A01D7/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T403/00; Y10T403/71; Y10T403/7176
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
194 words
An improved rake comprising: a drag portion having a plurality of prongs which is set transversely at one end and convergent at the other end of said drag portion; a clamping bar provided on said drag portion at said convergent end for clamping said plurality of prongs, wherein said clamping bar further includes a pin at its center; a handle portion connecting to said convergent portion of said drag portion; a fork member provided at one end of said handle portion including a forked end which is engaged with said pin of said clamping bar; and an engaging means provided between said drag portion and said handle portion for connecting said two portions, including a clip member for clipping and a U-shaped member for holding said convergent end of said drag portion with said handle portion, wherein said clip member is constituted by a single length of wire which is formed with two leg portions with two inwardly bent portions at one end of said clip member and a curved portion which is extended upward at an angle to the plane of said two leg portions at the other end of said clip member.
Claim 2
Dependent Claim
194 words
An improved rake comprising: a drag portion having a plurality of prongs which is set transversely at one end and convergent at the other end of said drag portion; a clamping bar provided on said drag portion at said convergent end for clamping said plurality of prongs, wherein said clamping bar further includes a pin at its center; a handle portion connecting to said convergent portion of said drag portion; a fork member provided at one end of said handle portion including a forked end which is engaged with said pin of said clamping bar; and an engaging means provided between said drag portion and said handle portion for connecting said two portions, including a clip member for clipping and a U-shaped member for holding said convergent end of said drag portion with said handle portion, wherein said clip member is constituted by a single length of wire which is formed with two leg portions with two inwardly bent portions at one end of said clip member and a curved portion which is extended upward at an angle to the plane of said two leg portions at the other end of said clip member.
Claim 3
Dependent Claim
24 words
An improved rake as claimed in claim 1, wherein said U-shaped member is releaseably connected to said two leg portions of said clip member.
Claim 4
Dependent Claim
44 words
An improved rake as claimed in claim 1, wherein said fork member further includes a tail portion which is fixed to said handle portion and said forked end is extended downward and then bent forward for engaging to said pin of said clamping bar.
Claim 5
Dependent Claim
29 words
An improved rake as claimed in claim 1, wherein said pin of said clamping bar further includes a protruded portion for retaining said forked end in said pin firmly.
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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) | 1990-07-27 | 1991-01-26 | 1991-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-27 | 1995-01-26 | 1995-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-27 | 1999-01-26 | 1999-07-28 | $7700.00 | Window Closed / Lapsed |