US4585179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable crusher
Assignee: Kurimoto Ltd
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Filing: 1984-05-31
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Granted: 1986-04-29
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Expires: 2004-05-31
Abstract
Abstract A movable crushing apparatus has two skids with wheels. The main skid carrying a crusher and a feeder is adapted to lie on the ground when in use. When moving the apparatus to other place, the point where the two skids are coupled with each other is raised off the ground by a hydraulic jack.
Inventors
- 👤 Yoshihiro Tsuji
- 👤 Fumio Fujihara
- 👤 Yoichi Nishikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:31
CPC Classifications
B; B02; B02C; B02C21/00; B02C21/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
224 words
A movable crushing apparatus comprising: a first skid having a pair of wheels and also having at least one pin hole at a rear end thereof; a second skid having a pair of wheels and also having at least one pin hole at a front end thereof; a crusher fixedly mounted on the second skid; means, pivotally mounted on the second skid, for receiving material at a rear end and for feeding said material at a front end to the crusher; lock pin means, inserted into the at least one pin hole at the rear end of the first skid and also simultaneously into the at least one pin hole at the front end of the second skid, for coupling the first skid and the second skid fixedly together end-to-end when moving the entire apparatus from one location to another; first jack means, connected to one of the first and second skids, for elevating the rear end of the first skid and the front end of the second skid off the ground to allow coupling of the first skid and the second skid fixedly together end-to-end and to move said crusher into an inoperative position; and second jack means, connected to the receiving and feeding means, for elevating the rear end of said receiving and feeding means off the ground into an operative position.
Claim 2
Dependent Claim
224 words
A movable crushing apparatus comprising: a first skid having a pair of wheels and also having at least one pin hole at a rear end thereof; a second skid having a pair of wheels and also having at least one pin hole at a front end thereof; a crusher fixedly mounted on the second skid; means, pivotally mounted on the second skid, for receiving material at a rear end and for feeding said material at a front end to the crusher; lock pin means, inserted into the at least one pin hole at the rear end of the first skid and also simultaneously into the at least one pin hole at the front end of the second skid, for coupling the first skid and the second skid fixedly together end-to-end when moving the entire apparatus from one location to another; first jack means, connected to one of the first and second skids, for elevating the rear end of the first skid and the front end of the second skid off the ground to allow coupling of the first skid and the second skid fixedly together end-to-end and to move said crusher into an inoperative position; and second jack means, connected to the receiving and feeding means, for elevating the rear end of said receiving and feeding means off the ground into an operative position.
Claim 3
Dependent Claim
23 words
The movable crushing apparatus, according to claim 1, wherein: said receiving and feeding means has a pair of wheels at its rear end.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |