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WO1999042400A3 - Impact driven hoist - Google Patents

Impact driven hoist Download PDF

Info

Publication number
WO1999042400A3
WO1999042400A3 PCT/US1999/000796 US9900796W WO9942400A3 WO 1999042400 A3 WO1999042400 A3 WO 1999042400A3 US 9900796 W US9900796 W US 9900796W WO 9942400 A3 WO9942400 A3 WO 9942400A3
Authority
WO
WIPO (PCT)
Prior art keywords
tension
gear
hoist
force
impact
Prior art date
Application number
PCT/US1999/000796
Other languages
French (fr)
Other versions
WO1999042400B1 (en
WO1999042400A2 (en
Inventor
Bruce E Ratcliff
Original Assignee
Bruce E Ratcliff
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bruce E Ratcliff filed Critical Bruce E Ratcliff
Priority to AU23195/99A priority Critical patent/AU2319599A/en
Priority to EP99903090A priority patent/EP1062178A4/en
Publication of WO1999042400A2 publication Critical patent/WO1999042400A2/en
Publication of WO1999042400A3 publication Critical patent/WO1999042400A3/en
Publication of WO1999042400B1 publication Critical patent/WO1999042400B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Jib Cranes (AREA)

Abstract

A hoist (11, 53) is constructed for powered drive by an impact tool (49). The hoist includes tension means (23, 25, 67) for applying a force in tension to a load. Gear means (35, 37, 91) are operatively associated with the tension means for producing a tension force in the tension means. The gear means include a gear element (15, 27, 93) which provides a positive hold of the produced tension force when the gear means (35, 37, 91) are not being driven. Impact fitting means (43, 99) are connected to the gear element for enabling the gear means to be power driven by an impact tool.
PCT/US1999/000796 1998-02-18 1999-01-14 Impact driven hoist WO1999042400A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU23195/99A AU2319599A (en) 1998-02-18 1999-01-14 Impact driven hoist
EP99903090A EP1062178A4 (en) 1998-02-18 1999-01-14 Impact driven hoist

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2551998A 1998-02-18 1998-02-18
US09/025,519 1998-02-18

Publications (3)

Publication Number Publication Date
WO1999042400A2 WO1999042400A2 (en) 1999-08-26
WO1999042400A3 true WO1999042400A3 (en) 1999-09-30
WO1999042400B1 WO1999042400B1 (en) 1999-12-02

Family

ID=21826556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/000796 WO1999042400A2 (en) 1998-02-18 1999-01-14 Impact driven hoist

Country Status (3)

Country Link
EP (1) EP1062178A4 (en)
AU (1) AU2319599A (en)
WO (1) WO1999042400A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0815084D0 (en) * 2008-08-18 2008-09-24 Knott Roy W A clamp
PL2547553T3 (en) * 2010-02-22 2017-09-29 Roy William Knott A clamp

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US721946A (en) * 1902-06-02 1903-03-03 Julian A Foster Wire-stretcher.
US1598273A (en) * 1925-01-05 1926-08-31 Benjamin F Fitch Traveling crane
US2368390A (en) * 1944-01-31 1945-01-30 Henry A Winter Electric invalid hoist
US4157171A (en) * 1976-10-26 1979-06-05 Seasafe Transport Ab Tensioning device for chains, wire ropes etc.
US4372452A (en) * 1980-12-24 1983-02-08 Independent Transfer Equipment Co. Transfer hoist for disabled persons
US4961604A (en) * 1989-07-18 1990-10-09 Kisner Richard L Combination step bumper and hoist apparatus
US5720400A (en) * 1996-11-20 1998-02-24 Altizer, Sr.; Joseph W. Portable hoist device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623751A (en) * 1995-06-16 1997-04-29 Knutson; Kenneth Retractable binder for securing cargo loads

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US721946A (en) * 1902-06-02 1903-03-03 Julian A Foster Wire-stretcher.
US1598273A (en) * 1925-01-05 1926-08-31 Benjamin F Fitch Traveling crane
US2368390A (en) * 1944-01-31 1945-01-30 Henry A Winter Electric invalid hoist
US4157171A (en) * 1976-10-26 1979-06-05 Seasafe Transport Ab Tensioning device for chains, wire ropes etc.
US4372452A (en) * 1980-12-24 1983-02-08 Independent Transfer Equipment Co. Transfer hoist for disabled persons
US4961604A (en) * 1989-07-18 1990-10-09 Kisner Richard L Combination step bumper and hoist apparatus
US5720400A (en) * 1996-11-20 1998-02-24 Altizer, Sr.; Joseph W. Portable hoist device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1062178A4 *

Also Published As

Publication number Publication date
AU2319599A (en) 1999-09-06
WO1999042400B1 (en) 1999-12-02
WO1999042400A2 (en) 1999-08-26
EP1062178A4 (en) 2005-06-29
EP1062178A1 (en) 2000-12-27

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