US3773114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shovel coupling
Assignee: Individual
•
Filing: 1972-03-31
•
Granted: 1973-11-20
•
Expires: 1992-03-31
Abstract
Abstract A coupling for conveniently attaching a cultivator shovel to a shank member, said coupling comprising a rigid mounting block with a relatively large planar surface in snug engagement with a correspondingly shaped mounting surface of the shank member whereby the forces are distributed over a relatively large area, a pair of fingers projecting from the block into retentive engagement with mounting holes in the shank member, and a compressible, resilient retaining pin passing through a bore in the mounting block with opposite end portions extending through aligned mounting apertures in a neck portion of the cultivator shovel.
Inventors
- 👤 R Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:18
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; A01B35/225; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7062; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7086
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
212 words
In combination, a cultivator shovel comprising a neck portion with a relatively rigid front wall and a pair of oppositely disposed flanges extending therefrom and terminating at edges defining an access opening, said oppositely disposed flanges including a pair of aligned mounting apertures; a shank member including a front mounting surface in snug engagement with the surfaces of said mounting wall, and a back surface on said shank member disposed oppositely of said front mounting surface; and a coupling securely fastening said shovel to said shank member, said coupling comprising a rigid mounting block including a relatively large mounting surface area on one side thereof and a retaining hole extending therethrough, said coupling further including a retaining pin passing through said retaining hole with opposite end portions extending through said mounting apertures and in retentive engagement therewith, said retaining pin including an elongated resilient section of material, said mounting block including at least one integral mounting finger protruding from said mounting surface area and said shank member includes at least one mounting hole retentively receiving said mounting finger, the mounting surface area of said mounting block being in flush engagement with said back surface of said shank member to provide a solid connection between said shovel neck portion and said shank member.
Claim 2
Dependent Claim
212 words
In combination, a cultivator shovel comprising a neck portion with a relatively rigid front wall and a pair of oppositely disposed flanges extending therefrom and terminating at edges defining an access opening, said oppositely disposed flanges including a pair of aligned mounting apertures; a shank member including a front mounting surface in snug engagement with the surfaces of said mounting wall, and a back surface on said shank member disposed oppositely of said front mounting surface; and a coupling securely fastening said shovel to said shank member, said coupling comprising a rigid mounting block including a relatively large mounting surface area on one side thereof and a retaining hole extending therethrough, said coupling further including a retaining pin passing through said retaining hole with opposite end portions extending through said mounting apertures and in retentive engagement therewith, said retaining pin including an elongated resilient section of material, said mounting block including at least one integral mounting finger protruding from said mounting surface area and said shank member includes at least one mounting hole retentively receiving said mounting finger, the mounting surface area of said mounting block being in flush engagement with said back surface of said shank member to provide a solid connection between said shovel neck portion and said shank member.
Claim 3
Dependent Claim
40 words
The combination set forth in claim 1 wherein said mounting block includes a pair of said mounting fingers spaced from each other, and said shank member includes a pair of said mounting holes retentively receiving said pair of mounting fingers.
Claim 4
Dependent Claim
38 words
The combination set forth in claim 2 wherein said front wall surfaces are generally of planar configuration with said flanges extending perpendicular thereto and in abutting engagement with the side surfaces of said shank member and mounting block.
Claim 5
Dependent Claim
147 words
A coupling for mounting a sweep shovel to an associated shank member, said coupling comprising a mounting block of relatively rigid material, said mounting block including a substantially planar mounting surface snugly engaging a correspondingly shaped surface on the shank member, a pair of spaced mounting fingers integral with said mounting block and protruding from said mounting surface at substantially right angles thereto, said fingers being retentively disposed in a pair of spaced mounting holes in the shank member, an open-ended bore in said mounting block spaced from and generally parallel to said planar mounting surface and aligned with corresponding mounting apertures in the sweep shovel, and an elongated retaining pin with a longitudinal compressible, resilient section sandwiched between a pair of rigid members, said retaining pin being compressibly disposed in said open-ended bore with opposite end portions extending through the mounting apertures in the sweep shovel.
Claim 6
Dependent Claim
147 words
A coupling for mounting a sweep shovel to an associated shank member, said coupling comprising a mounting block of relatively rigid material, said mounting block including a substantially planar mounting surface snugly engaging a correspondingly shaped surface on the shank member, a pair of spaced mounting fingers integral with said mounting block and protruding from said mounting surface at substantially right angles thereto, said fingers being retentively disposed in a pair of spaced mounting holes in the shank member, an open-ended bore in said mounting block spaced from and generally parallel to said planar mounting surface and aligned with corresponding mounting apertures in the sweep shovel, and an elongated retaining pin with a longitudinal compressible, resilient section sandwiched between a pair of rigid members, said retaining pin being compressibly disposed in said open-ended bore with opposite end portions extending through the mounting apertures in the sweep shovel.
Claim 7
Dependent Claim
33 words
The structure set forth in claim 4 wherein the open-ended bore in said mounting block terminates at a pair of oppositely disposed, substantially parallel side surfaces engaGing corresponding surfaces on the sweep shovel.
Claim 8
Dependent Claim
38 words
The structure set forth in claim 5 wherein said mounting fingers are vertically spaced from each other and each mounting finger has a generally cylindrical configuration received by the shank member mounting holes which normally accommodate mounting bolts.
Claim 9
Dependent Claim
32 words
The structure set forth in claim 6 wherein each of said rigid members of said retaining pin is of convex configuration, the retaining pin as a whole being generally cylindrical in shape.
References Cited (Backward Citations)
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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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |