US3724188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leaf rake with improved molded head
Assignee: O AMES Co A CORPOF
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Filing: 1972-05-23
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Granted: 1973-04-03
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Expires: 1992-05-23
Abstract
Abstract A leaf rake of the tine type comprising a rake head molded of polypropylene or the like as an integral unitary structure including a handle part of rigid ribbed panel construction providing a centrally located socket for receiving the end of the rake handle and a tine part having an intermediate portion provided with openings and tapered ribs to insure outwardly increasing flexibility, the intermediate portion terminating in a band section disposed within the outer half of the tine part which also includes a series of flexible L-shaped tines extending from the band section.
Inventors
- 👤 H Eads
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:41
CPC Classifications
A; A01; A01D; A01D7/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
60 words
The improvement as defined in claim 1 wherein said panel portion includes edges which diverge in an outward longitudinal direcTion from the open end of said socket portion, said rib portions including exterior ribs formed along the diverging edges of said panel portion and interior ribs extending transversely between the juncture of said panel portion edges with said tine part.
Claim 2
Dependent Claim
65 words
The improvement as defined in claim 2 wherein said intermediate portion includes edge sections disposed in general alignment with the edges of said panel portion, said plurality of openings in said intermediate portion between said edge sections being elongated so as to define a multiplicity of tine-shaped sections extending from said band section to said handle engaging part in generally aligned relation with said tines.
Claim 3
Dependent Claim
41 words
The improvement as defined in claim 3 wherein said tine part includes an outwardly tapering edge rib extending from an exterior rib of each panel portion edge along the associated edge section and tine to the free end of the latter.
Claim 4
Dependent Claim
21 words
The improvement as defined in claim 3 wherein each of said tine-shaped sections includes an outwardly tapering central rib extending therealong.
Claim 5
Dependent Claim
28 words
The improvement as defined in claim 5 wherein said central ribs project transversely from said tine-shaped sections in the direction of transverse extent of said tine free ends.
Claim 6
Dependent Claim
31 words
The improvement as defined in claim 6 wherein each of said tines includes a central rib extending therealong in generally aligned relation with the associated central rib of said tine-shaped sections.
Claim 7
Dependent Claim
50 words
The improvement as defined in claim 6 wherein said band section includes ribs on one surface thereof forming continuations of the associated central ribs of said tines and said tine-shaped sections, the opposite surface of said band section having a central rib extending therealong substantially throughout the transverse extent thereof.
Claim 8
Dependent Claim
21 words
The improvement as defined in claim 8 wherein the included angle between the legs of said L-shaped tines is approximately 75*.
Claim 9
Dependent Claim
19 words
The improvement as defined in claim 9 wherein the extremities of the free ends of said tines are beveled.
Claim 10
Dependent Claim
13 words
The improvement as defined in claim 1 wherein said plastic material is polypropylene.
Claim 11
Dependent Claim
42 words
The improvement as defined in claim 1 wherein said socket portion is closed at the end thereof opposite from said open end and has interior surface means conforming to the exterior surface means of the end portion of said handle received therein.
Claim 12
Dependent Claim
37 words
The improvement as defined in claim 12 wherein the interior surface means of said socket portion includes a generally dome-shaped surface at the closed end thereof and a frusto conical surface extending therefrom to said open end.
Claim 13
Dependent Claim
52 words
The improvement as defined in claim 13 wherein said socket portion includes an aperture extending transversely therethrough intermediate the ends thereof and an exterior boss surrounding said aperture, said rib portions including diagonal ribs extending from said boss in diverging relation with respect to each other to an exterior transversely extending rib.
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |