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Class Information
Number: 254/399
Name: Implements or apparatus for applying pushing or pulling force > Device or member for contacting and guiding moving cable > Including rotatable, cable contacting, pulley wheel element > Plural elements or element with plural cable contacting regions > At least two of the elements having noncollinear axes of rotation > Having one element repositionable relative to another element > Repositionable element supported by cable (e.g., traveling block)
Description: Cable guides wherein the element which changes its position is supported on and travels with the cable, the cable having its course partially determined by this element.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618024 |
Apparatus and method to facilitate loading and unloading of passenger vehicle cargo |
Nov. 17, 2009 |
| 7588232 |
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Sep. 15, 2009 |
| 7563055 |
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Jul. 21, 2009 |
| 7165759 |
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Jan. 23, 2007 |
| 6971636 |
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Dec. 6, 2005 |
| 6651962 |
High speed safety block assembly |
Nov. 25, 2003 |
| 6651961 |
Multiple load blocks for a crane |
Nov. 25, 2003 |
| 6601829 |
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Aug. 5, 2003 |
| 6343662 |
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Feb. 5, 2002 |
| 6244570 |
High speed safety block assembly |
Jun. 12, 2001 |
| 6189867 |
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Feb. 20, 2001 |
| 6068066 |
Hydraulic drilling rig |
May. 30, 2000 |
| 5951444 |
Cable and pulley linkage for exercise machine |
Sep. 14, 1999 |
| 5911410 |
Hoisting and lowering apparatus |
Jun. 15, 1999 |
| 5790407 |
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Aug. 4, 1998 |
| 5538223 |
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Jul. 23, 1996 |
| 5518477 |
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May. 21, 1996 |
| 5451032 |
Dual purpose crane block |
Sep. 19, 1995 |
| 5373605 |
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Dec. 20, 1994 |
| 5354035 |
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Oct. 11, 1994 |
| 5201628 |
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Apr. 13, 1993 |
| 5004108 |
Cranes |
Apr. 2, 1991 |
| 4951924 |
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Aug. 28, 1990 |
| 4934660 |
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Jun. 19, 1990 |
| 4867419 |
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Sep. 19, 1989 |
| 4850571 |
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Jul. 25, 1989 |
| 4842250 |
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Jun. 27, 1989 |
| 4838522 |
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Jun. 13, 1989 |
| 4836300 |
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Jun. 6, 1989 |
| 4796863 |
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Jan. 10, 1989 |
| 4721286 |
Split block for extended travel |
Jan. 26, 1988 |
| 4620693 |
Pole lifting apparatus |
Nov. 4, 1986 |
| 4610594 |
Container conveyor system |
Sep. 9, 1986 |
| 4585213 |
Well derrick |
Apr. 29, 1986 |
| 4491301 |
Tackles |
Jan. 1, 1985 |
| 4448246 |
Apparatus for setting casing in an oil well |
May. 15, 1984 |
| 4403766 |
Block and pulley arrangement |
Sep. 13, 1983 |
| 4390162 |
Infinitely variable crown block positioning |
Jun. 28, 1983 |
| 4378933 |
Crane assembly |
Apr. 5, 1983 |
| 4365834 |
Lifting tackle |
Dec. 28, 1982 |
| 4360112 |
Two-way extendable crane trolley |
Nov. 23, 1982 |
| 4343458 |
Supports of boom end sheaves or similar for a lifting and/or handling machine |
Aug. 10, 1982 |
| 4341373 |
Hydraulic well derrick with cable lifts |
Jul. 27, 1982 |
| 4269395 |
Portable hydraulic rig for performing workover, drilling and other operations on a well |
May. 26, 1981 |
| 4224890 |
Backstay tensioning device |
Sep. 30, 1980 |
| 4191416 |
Lift assembly |
Mar. 4, 1980 |
| 4183649 |
Oil derrick string-up apparatus and methods |
Jan. 15, 1980 |
| 4173804 |
Floating installation connected to a stationary underwater installation through at least one flexible pipe |
Nov. 13, 1979 |
| 4128229 |
Hoist apparatus with dual mast structure and compound power transmission system |
Dec. 5, 1978 |
| 4105189 |
Line diverting tool |
Aug. 8, 1978 |
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