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Patent JPS5220552A successfully refreshed from Google Patents.
JPS5220552A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Small size crane
Assignee: HANEKI SEISAKUSHO KK
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Filing: 1975-08-08
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Granted: —
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Expires: 1995-08-08
Abstract
Abstract PURPOSE: To simplify the construction and operation of a small size crane by permitting a link type balancer to raise and lower a load with a torque corresponding to ad esired load and at a desired speed with mutual operation of a lift torque motor, tacho-generator and potentiometer. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Harumi Sato
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-02 18:56
CPC Classifications
B; B25; B25J; B25J9/00; B25J9/10; B25J9/106; B25J9/1065
Claims Analysis
Total Claims: 0
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