Patents
US 7448486 B1: Telescoping conveyor drive system
- Granted
- 2008-11-11
- Filed
- 2007-08-10 application 11891480
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An extendable conveyor apparatus is disclosed and comprises a stationary conveyor section, a movable conveyor section extendable with respect to the stationary conveyor section, and a movement assembly configured to move the movable conveyor section with respect to the stationary conveyor section. The movement assembly comprises a plurality of teeth mounted on a first conveyor section, and a teeth engaging apparatus mounted on a second conveyor section and configured to engage and move the teeth on the first conveyor section with respect to the second conveyor section. A system for moving a first elongate structure with respect a second elongate structure comprises a plurality of teeth in a substantially linear arrangement for mounting on the first elongate structure, and a teeth engaging apparatus configured for mounting on the second elongate structure, the teeth engaging structure comprising a chain loop engaging the teeth such that rotation of the loop moves the first elongate structure relative to the second elongate structure.
Source: PVGPATDIS, file of 2026-04-10 (ipg081111.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Masaba, Inc. 7 patents | US company or organization | Vermillion, SD | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jim Frankl | Elk Point, SD | 2 | PVGPATDIS, file of 2026-04-10 | |
| Clay Crandall | Sioux City, IA | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B65G | Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors | B65G15/26 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2007-08-10 | Assignment Assignment of assignor's interest | CRANDALL, CLAY signed 2007-08-07 FRANKL, JIM signed 2007-08-07 | MASABA, INC. VERMILLION, SD | 19730/327 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.