Patent US3841007A successfully refreshed from Google Patents.
US3841007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable cutting edge and tip adapter for loader buckets
Assignee: Caterpillar Inc
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Filing: 1972-11-24
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Granted: 1974-10-15
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Expires: 1992-11-24
Abstract
Abstract A loader bucket has a cutting edge mounted on the bottom surface of a forwardly extending plate thereof. A support member, welded to a top surface of the support plate, has an adapter mounted thereon which carries an earthworking tip extending forwardly of the cutting edge. A releasable bolt extends through the cutting edge, support plate, support member and adapter to detachably mount the cutting edge and adapter on the bucket.
Inventors
- 👤 R Howarth
- 👤 E Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:05
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
195 words
An earthworking implement having a forwardly extended support plate, a cutting edge mounted on a bottom side of said support plate and extending past a forward edge thereof, a support member fixedly secured to a top side of said support plate, an adapter mounted on said support member and having a removably secured earthworking tip thereon extending forwardly of a forward edge of said cutting edge, and said adapter being mounted on said support member by a closely mating tongue formed integrally therwith and a mating groove arrangement formed in said support member extending longitudinally therealong, respectively said adapter having substantial surface portions formed thereon to abut a forward end of said support member for transmitting forces from said tip to said support member and support plate directly, common attaching means constituting a single bolt extending through each of said cutting edge, support plate, support member and adapter detachably mounting said cutting edge and adapter on said support plate and support member, respectively, pin means disposed rearwardly on said tongue and groove arrangement and extending transversely through said support member and said adapter for preventing vertical movement of said adapter relative to said support member.
Claim 2
Dependent Claim
195 words
An earthworking implement having a forwardly extended support plate, a cutting edge mounted on a bottom side of said support plate and extending past a forward edge thereof, a support member fixedly secured to a top side of said support plate, an adapter mounted on said support member and having a removably secured earthworking tip thereon extending forwardly of a forward edge of said cutting edge, and said adapter being mounted on said support member by a closely mating tongue formed integrally therwith and a mating groove arrangement formed in said support member extending longitudinally therealong, respectively said adapter having substantial surface portions formed thereon to abut a forward end of said support member for transmitting forces from said tip to said support member and support plate directly, common attaching means constituting a single bolt extending through each of said cutting edge, support plate, support member and adapter detachably mounting said cutting edge and adapter on said support plate and support member, respectively, pin means disposed rearwardly on said tongue and groove arrangement and extending transversely through said support member and said adapter for preventing vertical movement of said adapter relative to said support member.
Claim 3
Dependent Claim
13 words
The invention of claim 1 wherein said working implement constitutes a loader bucket.
Claim 4
Dependent Claim
16 words
The invention of claim 1 wherein said tongue and groove each has a rectangular cross section.
Claim 5
Dependent Claim
17 words
The invention of claim 1 wherein said tongue and groove each has an inverted T-shaped cross section.
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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) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |