US509565A - Lifting-jack - Google Patents

Lifting-jack Download PDF

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Publication number
US509565A
US509565A US509565DA US509565A US 509565 A US509565 A US 509565A US 509565D A US509565D A US 509565DA US 509565 A US509565 A US 509565A
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United States
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jack
lifting
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
    • B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S254/00—Implements or apparatus for applying pushing or pulling force
    • Y10S254/12—Pawls

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
US509565D Lifting-jack Expired - Lifetime US509565A (en)

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US509565A true US509565A (en) 1893-11-28

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US509565D Expired - Lifetime US509565A (en) Lifting-jack

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144707A (en) * 1962-06-13 1964-08-18 American Telephone & Telegraph Dismantling tool
US3197848A (en) * 1963-10-25 1965-08-03 Harold F Eichacker Tool for electric meters
US20060293133A1 (en) * 2005-06-28 2006-12-28 Borgwarner Inc. Dual pivoting pawl tensioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144707A (en) * 1962-06-13 1964-08-18 American Telephone & Telegraph Dismantling tool
US3197848A (en) * 1963-10-25 1965-08-03 Harold F Eichacker Tool for electric meters
US20060293133A1 (en) * 2005-06-28 2006-12-28 Borgwarner Inc. Dual pivoting pawl tensioner

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