US3678670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for rakes
Assignee: Individual
•
Filing: 1971-06-02
•
Granted: 1972-07-25
•
Expires: 1991-06-02
Abstract
Abstract An attachment including a shoe is detachably securable to each end of toothed or blade-type rake and is adjustable to control the penetration of the raking element in the soil or grass.
Inventors
- 👤 Rudolf Welz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:10
CPC Classifications
A; A01; A01D; A01D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
The combination of a rake including a transversely elongated raking member with downwardly projecting teeth, and a pair of ground-engaging attachments removably and adjustably mounted on the end edge portions of said raking member to limit penetration of said teeth into the ground, said attachments being similar in construction and each comprising an elongated and longitudinally curved ground-engaging shoe, an upstanding plate provided at one side edge of one end portion of said shoe, a pair of spaced flanges provided at opposite side edges of the upper end portion of said upstanding plate and coacting with said upper end portion to define an open-sided channel which is open on that side of the plate opposite from said shoe, said channel receiving therein an end edge portion of said raking member so that said teeth project below said shoe in a plane intermediate the ends of the shoe, and a clamping bolt extending into said channel through one of said flanges for removably and adjustably clamping the attachment on the raking member.
Claim 2
Dependent Claim
171 words
The combination of a rake including a transversely elongated raking member with downwardly projecting teeth, and a pair of ground-engaging attachments removably and adjustably mounted on the end edge portions of said raking member to limit penetration of said teeth into the ground, said attachments being similar in construction and each comprising an elongated and longitudinally curved ground-engaging shoe, an upstanding plate provided at one side edge of one end portion of said shoe, a pair of spaced flanges provided at opposite side edges of the upper end portion of said upstanding plate and coacting with said upper end portion to define an open-sided channel which is open on that side of the plate opposite from said shoe, said channel receiving therein an end edge portion of said raking member so that said teeth project below said shoe in a plane intermediate the ends of the shoe, and a clamping bolt extending into said channel through one of said flanges for removably and adjustably clamping the attachment on the raking member.
References Cited (Backward Citations)
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Cited
US293210A
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US458270A
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US743981A
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US834914A
Cited
US2152377A
Cited
US2790297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |