Patent US4598823A successfully refreshed from Google Patents.
US4598823A
Expired / Lapsed
US
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Conveyor belt cleaner
Assignee: Martin Engineering Co
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Filing: 1984-02-13
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Granted: 1986-07-08
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Expires: 2004-02-13
Abstract
Abstract A conveyor belt cleaning arrangement consisting of a transversely disposed support which includes a plurality of connector slots. One or more elastomeric cleaner blades, either of the doctor blade type or the arm and blade type, include a locking device to releasably connect the blade to the support without the use of fasteners and secure the blade against lateral motion and hold the blade in position for cleaning the belt.
Inventors
- 👤 Robert T. Swinderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:46
CPC Classifications
B; B65; B65G; B65G45/00; B65G45/10; B65G45/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A conveyor belt cleaning arrangement consisting of a linear support member disposed transverse to the direction of conveyor belt travel, a flange extending radially outwardly from said support member, connnector means consisting of slots formed in said flange adapted to locate and position individual belt cleaner blades, and one or more belt cleaner blades formed of an elastomeric material, each of said blades including locking means consisting of a groove disposed laterally through its lower end such that a pair of legs are defined, one disposed on each side of said groove, and a lug disposed in said groove between said legs, said lug adapted to matingly engage said slot in said flange to releasably lock said blade to said support member so as to prevent linear movement of said blade along said support member and to hold said blade in position for cleaning said conveyor belt.
Claim 2
Dependent Claim
147 words
A conveyor belt cleaning arrangement consisting of a linear support member disposed transverse to the direction of conveyor belt travel, a flange extending radially outwardly from said support member, connnector means consisting of slots formed in said flange adapted to locate and position individual belt cleaner blades, and one or more belt cleaner blades formed of an elastomeric material, each of said blades including locking means consisting of a groove disposed laterally through its lower end such that a pair of legs are defined, one disposed on each side of said groove, and a lug disposed in said groove between said legs, said lug adapted to matingly engage said slot in said flange to releasably lock said blade to said support member so as to prevent linear movement of said blade along said support member and to hold said blade in position for cleaning said conveyor belt.
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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) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |