Portable Knockdown Trolley Hoist

Abstract

A portable knockdown trolley hoist, comprising: a trolley support member having opposing ends; a trolley having a plurality of upper roller bearings and a plurality of lower roller bearings, the trolley rollably sandwiching an upper portion and a lower portion of the trolley support member between the plurality of upper roller bearings and the plurality of lower roller bearings, the trolley having a telescoping extension boom fastened thereto and extending therefrom, which has a plurality of extension boom sections and a sheave mounted thereto, the trolley having a hoist having a winch and a hoist cable extending from the winch and about the sheave and having a lifting end; opposing end supports, each having an opposing support member and opposing substantially upright legs removably fastened to the opposing support member; opposing end mounts, each releasably sandwiching an opposing end of the trolley support member and an opposing support member therebetween.

Description

DRAWINGS

These and other features, aspects, and advantages of the present invention will become better understood with regard to the following description, appended claims, and accompanying drawings where:

FIG. 1 is a perspective view of a portable knockdown trolley hoist, constructed in accordance with the present invention, showing an extension boom of the portable knockdown trolley hoist partially extended;

FIG. 2 is a partial side view of the portable knockdown trolley hoist of FIG. 1;

FIG. 3 is a partial exploded view of a trolley and a trolley support member of the portable knockdown trolley hoist of FIG. 1;

FIG. 4 is a cross section view of the portable knockdown trolley hoist of FIG. 1 showing the trolley of FIG. 1;

FIG. 5 is a cross section view of an alternate embodiment of a trolley of the portable knockdown trolley hoist of FIG. 1;

FIG. 6 is a cross section view of the trolley of FIG. 5 and an alternate embodiment of another trolley support member of the portable knockdown trolley hoist of FIG. 1;

FIG. 7 is a cross section view of an alternate embodiment of an opposing end mount constructed as an opposing end trolley of the portable knockdown trolley hoist of FIG. 1;

FIG. 8 is a partial exploded view of an alternate embodiment of an opposing end mount constructed as an alternate embodiment of an opposing end trolley of the portable knockdown trolley hoist of FIG. 1;

FIG. 9 is a perspective view of an alternate embodiment of a portable knockdown trolley hoist, constructed in accordance with the present invention, showing an extension boom of the portable knockdown trolley hoist of FIG. 9 partially extended;

FIG. 10 is a perspective view of the portable knockdown trolley hoist of FIG. 9 showing the extension boom extended;

FIG. 11 is a perspective view of the portable knockdown trolley hoist of FIG. 9 showing the extension boom retracted;

FIG. 12 is a partial side view of the portable knockdown trolley hoist of FIG. 9, showing the extension boom retracted;

FIG. 13 is a partial side view of the portable knockdown trolley hoist of FIG. 9, showing the extension partially extended and lifting a weight;

FIG. 14 is an exploded view of the portable knockdown trolley hoist of FIG. 9;

FIG. 15 is a knockdown view of the portable knockdown trolley hoist of FIG. 9;

FIG. 16 is a perspective view of an alternate embodiment of a portable knockdown trolley hoist, constructed in accordance with the present invention;

FIG. 17 is a perspective view of an alternate embodiment of a portable knockdown trolley hoist, constructed in accordance with the present invention;

FIG. 18 is a perspective view of an alternate embodiment of a portable knockdown trolley hoist, constructed in accordance with the present invention;

FIG. 19 is an exploded view of the portable knockdown trolley hoist of FIG. 18;

FIG. 20 is a knockdown view of the portable knockdown trolley hoist of FIG. 18;

FIG. 21 is a side view of the portable knockdown trolley hoist of FIG. 9 in combination with a pickup truck;

FIG. 22 is a side view of the portable knockdown trolley hoist of FIG. 9 in combination with a flatbed truck;

FIG. 23 is a side cutaway view of the portable knockdown trolley hoist of FIG. 9 in combination with and interior to an ambulance;

FIG. 24 is a side view of the portable knockdown trolley hoist of FIG. 9 in another combination with and exterior to the ambulance of FIG. 23;

FIG. 25 is a side view of the portable knockdown trolley hoist of FIG. 9 in combination with and exterior to a van;

FIG. 26 is a perspective view of the portable knockdown trolley hoist of FIG. 9 in combination with a helicopter;

FIG. 27 is a perspective view of the portable knockdown trolley hoist of FIG. 9 in combination with a ship;

FIG. 28 is a perspective view of the portable knockdown trolley hoist of FIG. 9 in combination with a tractor trailer truck; and

FIG. 29 is a side cutaway view of the portable knockdown trolley hoist of FIG. 9 in combination with and interior to an alternate tractor trailer truck.

Claims

1. A portable knockdown trolley hoist, comprising: a trolley support member having opposing ends;a trolley having a plurality of upper roller bearings and a plurality of lower roller bearings, said trolley rollably sandwiching an upper portion and a lower portion of said trolley support member between said plurality of upper roller bearings and said plurality of lower roller bearings,said trolley having a telescoping extension boom fastened thereto and extending from said trolley, said telescoping extension boom having a plurality of extension boom sections,said extension boom having a sheave mounted thereto,said trolley having a hoist having a winch and a hoist cable, said hoist cable extending from said winch and about said sheave and having a lifting end;opposing end supports, each said opposing end support having an opposing support member and opposing substantially upright legs removably fastened to said opposing support member;opposing end mounts, each said opposing end mount releasably sandwiching a said opposing end of said trolley support member and a said opposing support member therebetween.

2. The portable knockdown trolley hoist according to claim 1, wherein said trolley has opposing side roller bearings and said trolley support member has opposing sides transverse to said upper portion and said lower portion of said trolley support member: said opposing side roller bearings rollably sandwiching said opposing sides of said trolley support member therebetween.

3. The portable knockdown trolley hoist according to claim 1, wherein: said telescoping extension boom is substantially in line with said trolley support member.

4. The portable knockdown trolley hoist according to claim 1, wherein: said telescoping extension boom sections slidably fit one into the other.

5. The portable knockdown trolley hoist according to claim 1, wherein said portable knockdown trolley hoist further comprises: at least one trolley positioner adapted to pull said trolley to a desired location along said trolley support member.

6. The portable knockdown trolley hoist according to claim 2, wherein said portable knockdown trolley hoist further comprises: at least one trolley positioner adapted to pull said trolley to a desired location along said trolley support member.

7. The portable knockdown trolley hoist according to claim 1, wherein said portable knockdown trolley hoist further comprises: opposing trolley positioners adapted to pull said trolley to a desired location along said trolley support member.

8. The portable knockdown trolley hoist according to claim 2, wherein said portable knockdown trolley hoist further comprises: opposing trolley positioners adapted to pull said trolley to a desired location along said trolley support member.

9. The portable knockdown trolley hoist according to claim 7, wherein: said at least one trolley positioner has at least one winch and at least one winch cable, said at least one winch cable releasably fastened to said trolley support member.

10. The portable knockdown trolley hoist according to claim 8, wherein: said at least one trolley positioner has at least one winch and at least one winch cable, said at least one winch cable releasably fastened to said trolley support member.

11. The portable knockdown trolley hoist according to claim 1, wherein said opposing end mounts are adapted to move said trolley support member substantially transverse to the axis of said trolley support member.

12. The portable knockdown trolley hoist according to claim 1, wherein: each said opposing end mount comprises an end trolley having a plurality of end trolley upper roller bearings and a plurality of end trolley lower roller bearings, each said opposing end trolley sandwiching an upper portion and a lower portion of a said opposing support member between said plurality of end trolley upper roller bearings and said plurality of end trolley lower roller bearings.

13. The portable knockdown trolley hoist according to claim 2, wherein: each said opposing end mount comprises an end trolley having a plurality of end trolley upper roller bearings and a plurality of end trolley lower roller bearings,each said opposing end trolley sandwiching an upper portion and a lower portion of a said opposing support member between said plurality of end trolley upper roller bearings and said plurality of end trolley lower roller bearings.

14. The portable knockdown trolley hoist according to claim 12, wherein each said end trolley has opposing end trolley side roller bearings and each said opposing support member has opposing sides transverse to said upper portion and said lower portion of said opposing support member: said opposing end trolley side roller bearings rollably sandwiching said opposing sides of said opposing support member therebetween.

15. The portable knockdown trolley hoist according to claim 13, wherein each said end trolley has opposing end trolley side roller bearings and each said opposing support member has opposing sides transverse to said upper portion and said lower portion of said opposing support member: said opposing end trolley side roller bearings rollably sandwiching said opposing sides of said opposing support member therebetween.

16. A portable knockdown trolley hoist and vehicle combination, comprising: a vehicle;a trolley support member having opposing ends;a trolley having a plurality of upper roller bearings and a plurality of lower roller bearings, said trolley rollably sandwiching an upper portion and a lower portion of said trolley support member between said plurality of upper roller bearings and said plurality of lower roller bearings,said trolley having a telescoping extension boom fastened thereto and extending from said trolley, said telescoping extension boom having a plurality of extension boom sections,said extension boom having a sheave mounted thereto,said trolley having a hoist having a winch and a hoist cable, said hoist cable extending from said winch and about said sheave and having a lifting end;opposing end supports, each said opposing end support having an opposing support member and opposing substantially upright legs removably fastened to said opposing support member;opposing end mounts, each said opposing end mount releasably sandwiching a said opposing end of said trolley support member and a said opposing support member therebetween;said opposing substantially upright legs removably mounted to said vehicle.

17. The combination of claim 16, wherein said trolley has opposing side roller bearings and said trolley support member has opposing sides transverse to said upper portion and said lower portion of said trolley support member: said opposing side roller bearings rollably sandwiching said opposing sides of said trolley support member therebetween.

18. The combination of claim 16, wherein: each said opposing end mount comprises an end trolley having a plurality of end trolley upper roller bearings and a plurality of end trolley lower roller bearings,each said opposing end trolley sandwiching an upper portion and a lower portion of a said opposing support member between said plurality of end trolley upper roller bearings and said plurality of end trolley lower roller bearings.

19. The combination of claim 17, wherein: each said opposing end mount comprises an end trolley having a plurality of end trolley upper roller bearings and a plurality of end trolley lower roller bearings,each said opposing end trolley sandwiching an upper portion and a lower portion of a said opposing support member between said plurality of end trolley upper roller bearings and said plurality of end trolley lower roller bearings.

20. The combination of claim 16, wherein: wherein said portable knockdown trolley hoist is removably mounted interior to said vehicle.