Patent US4644740A successfully refreshed from Google Patents.
US4644740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible rake
Assignee: Individual
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Filing: 1985-02-26
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Granted: 1987-02-24
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Expires: 2005-02-26
Abstract
Abstract A reversible rake having an elongated handle member for raking leaves and grass clippings which may be adapted to being pushed along the ground on a bearing member or is reversed and used in a more conventional pulling mode. The rake includes a transverse member having a plurality of raking tines. One side of the tines may be replaced by a snow removal, scraping member.
Inventors
- 👤 Ung L. Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:54
CPC Classifications
A; A01; A01D; A01D7/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
201 words
A reversible dual functioning raking device comprising: an elongated handle member having a first and a second end for pushing and pulling said device; an arcuate bearing member having first and second ends, said first end of said arcuate bearing member being connected to said first end of said handle member; a transverse shaft fixed to said first end of said handle member by way of said arcuate bearing member, said arcuate bearing member having a convex surface, with a concave surface on the opposite side of said arcuate bearing member, said transverse shaft being connected to said second end of said arcuate bearing member; a mulitplicity of raking tines which are disposed so as to project from said transverse shaft in the direction of said concave surface of said arcuate bearing member to accommodate the pulling of said device; and a scraper member disposed so as to project from said transverse shaft in the direction of said convex surface of said arcuate bearing member to accommodate the pushing of said device on said convex surface along the ground, said raking tines thereby projecting from said transverse shaft in a direction opposite to the direction of projection of said scraper member.
Claim 2
Dependent Claim
201 words
A reversible dual functioning raking device comprising: an elongated handle member having a first and a second end for pushing and pulling said device; an arcuate bearing member having first and second ends, said first end of said arcuate bearing member being connected to said first end of said handle member; a transverse shaft fixed to said first end of said handle member by way of said arcuate bearing member, said arcuate bearing member having a convex surface, with a concave surface on the opposite side of said arcuate bearing member, said transverse shaft being connected to said second end of said arcuate bearing member; a mulitplicity of raking tines which are disposed so as to project from said transverse shaft in the direction of said concave surface of said arcuate bearing member to accommodate the pulling of said device; and a scraper member disposed so as to project from said transverse shaft in the direction of said convex surface of said arcuate bearing member to accommodate the pushing of said device on said convex surface along the ground, said raking tines thereby projecting from said transverse shaft in a direction opposite to the direction of projection of said scraper member.
Claim 3
Dependent Claim
20 words
The reversible raking device of claim 1, wherein each of said tines has a bent portion whith said transverse shaft.
Claim 4
Dependent Claim
25 words
The reversible raking device of claim 1, wherein the elongated handle member has holes disposed at said second end for attaching a gripping member thereto.
Claim 5
Dependent Claim
17 words
The reversible raking device of claim 2, wherein the gripping member is "L" shaped type of handgrip.
Claim 6
Dependent Claim
17 words
The reversible raking device of claim 2, wherein the gripping member is "T" shaped type of handgrip.
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) | 1990-02-23 | 1990-08-25 | 1991-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-23 | 1994-08-25 | 1995-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-23 | 1998-08-25 | 1999-02-24 | $7700.00 | Window Closed / Lapsed |