US4008800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain driven roller conveyor with closure plates
Assignee: FKI Industries Inc
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Filing: 1975-11-26
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Granted: 1977-02-22
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Expires: 1995-11-26
Abstract
Abstract Each side frame of a roll conveyor includes a series of holes in which the projecting ends of the roll axles are selectively mounted according to the desired spacing between rolls. One side frame forms a chain box which partially encloses the chain drive of the roll. Separate plates are provided to fully close the box. They are in certain lengths whereby only several groups need be provided for their use in closing the chain box of any conveyor of whatever roll spacing it may have, within limits.
Inventors
- 👤 Emil John Forsyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:08
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
153 words
In a power driven roller conveyor, in combination, spaced parallel side frames; a series of rollers mounted between said side frames; power means for driving said rollers disposed along one set of ends of the rollers; a plurality of spaced support means associated with said side frames for receiving and supporting the axles of said rollers, said support means spaced a distance S apart along the side frames; spaced members projecting from one of said side frames over and below said drive means and the one set of ends of the rollers; and a plurality of removable abutting plates positioned against the ends of said spaced members and enclosing the drive means, at least a portion of the abutting plates having holes through which the rollers may extend, the width of said abutting plates being a multiple of S thereby permitting changes in the center-to-center spacing of the roller in multiples of S.
Claim 2
Dependent Claim
153 words
In a power driven roller conveyor, in combination, spaced parallel side frames; a series of rollers mounted between said side frames; power means for driving said rollers disposed along one set of ends of the rollers; a plurality of spaced support means associated with said side frames for receiving and supporting the axles of said rollers, said support means spaced a distance S apart along the side frames; spaced members projecting from one of said side frames over and below said drive means and the one set of ends of the rollers; and a plurality of removable abutting plates positioned against the ends of said spaced members and enclosing the drive means, at least a portion of the abutting plates having holes through which the rollers may extend, the width of said abutting plates being a multiple of S thereby permitting changes in the center-to-center spacing of the roller in multiples of S.
Claim 3
Dependent Claim
33 words
In the combination of claim 1, the abutting plates have a width of a first predetermined multiple of S and the center-to-center spacing of the rollers is a second predetermined multiple of S.
Claim 4
Dependent Claim
48 words
In the combination of claim 2, a plurality of groups of abutting plates, a first group having holes through which the rollers may extend and a second group of plates, at least one of which is positioned between adjacent plates of the first group and having uninterrupted surfaces.
Claim 5
Dependent Claim
55 words
In the combination of claim 1, a plurality of groups of abutting plates, one of the groups having a width a first predetermined multiple of S and a second of the groups having a width a second predetermined multiple of S, said rollers having a center-to-center spacing which is a third predetermined multiple of S.
Claim 6
Dependent Claim
42 words
In the combination of claim 4, said first and second groups having holes through which the rollers may extend and a third group of abutting plates, at least one of which is positioned between adjacent plates of the first and second groups.
Claim 7
Dependent Claim
125 words
In a power driven roll conveyor comprising parallel spaced rolls and spaced parallel side frames, one side frame being of box section which partially encloses the ends of the rolls, said rolls having a center-to-center spacing which is a multiple of S wherein 3S is the minimum spacing between rolls, and groups of plates for assembly in a series with said box section for closing the latter, said groups including first and second groups of plates of 3S and 5S width, respectively, each such plate having a central hole through which a roll may extend, and a third group of plates of 3S width, said groups of plates providing the entire required selection of plates for assembly in a series to close the box section.
Claim 8
Dependent Claim
125 words
In a power driven roll conveyor comprising parallel spaced rolls and spaced parallel side frames, one side frame being of box section which partially encloses the ends of the rolls, said rolls having a center-to-center spacing which is a multiple of S wherein 3S is the minimum spacing between rolls, and groups of plates for assembly in a series with said box section for closing the latter, said groups including first and second groups of plates of 3S and 5S width, respectively, each such plate having a central hole through which a roll may extend, and a third group of plates of 3S width, said groups of plates providing the entire required selection of plates for assembly in a series to close the box section.
Claim 9
Dependent Claim
147 words
In a power driven roller conveyor comprising parallel spaced rolls and spaced parallel side frames having aperture means for receiving the projecting ends of the axles of the rollers, one side frame being of box section which encloses the ends of the rolls, said rolls having a center-to-center spacing which is a multiple of S, where S is the distance between adjacent aperture means, said multiple being more than 3, said one side frame including removable plates assembled in a series and having holes through which the rolls extend, said plates including first and second groups of plates of 3S and 5S width, respectively each such plate having a central hole through which a roll may extend, and a third group of plates of 3S width, said group of plates providing the entire required selection of plates for assembly in a series to close the box section.
Claim 10
Dependent Claim
147 words
In a power driven roller conveyor comprising parallel spaced rolls and spaced parallel side frames having aperture means for receiving the projecting ends of the axles of the rollers, one side frame being of box section which encloses the ends of the rolls, said rolls having a center-to-center spacing which is a multiple of S, where S is the distance between adjacent aperture means, said multiple being more than 3, said one side frame including removable plates assembled in a series and having holes through which the rolls extend, said plates including first and second groups of plates of 3S and 5S width, respectively each such plate having a central hole through which a roll may extend, and a third group of plates of 3S width, said group of plates providing the entire required selection of plates for assembly in a series to close the box section.
Claim 11
Dependent Claim
154 words
In a power driven roll conveyor comprising parallel spaced rolls and spaced parallel side frames, one side frame being a box section which includes a series of removable plates and which encloses driven ends of the rolls with rolls extending through at least some of the plates, a plurality of spaced means for mounting the ends of the rolls to and between said side frames such that the rolls may be arranged or rearranged to have any spacing between 3S and 11S, where S is the distance between adjacent mounting means, said plates including a first number of 3S width and having holes through which the rolls may extend, a second number of 5S width and having holes through which such rolls may extend, and a third number of 3S width such that said numbers of plates may be suitably arranged and rearranged as required by any spacing of the rolls within said limits.
Claim 12
Dependent Claim
154 words
In a power driven roll conveyor comprising parallel spaced rolls and spaced parallel side frames, one side frame being a box section which includes a series of removable plates and which encloses driven ends of the rolls with rolls extending through at least some of the plates, a plurality of spaced means for mounting the ends of the rolls to and between said side frames such that the rolls may be arranged or rearranged to have any spacing between 3S and 11S, where S is the distance between adjacent mounting means, said plates including a first number of 3S width and having holes through which the rolls may extend, a second number of 5S width and having holes through which such rolls may extend, and a third number of 3S width such that said numbers of plates may be suitably arranged and rearranged as required by any spacing of the rolls within said limits.
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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) | 1980-02-22 | 1980-08-23 | 1981-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-22 | 1984-08-23 | 1985-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-22 | 1988-08-23 | 1989-02-22 | $7700.00 | Window Closed / Lapsed |