Jack dolly with brake

• US 6,966,573 B2
• Filed: 08/21/2003
• Issued: 11/22/2005
• Est. Priority Date: 12/30/2002
• Status: Expired due to Fees

• Current Assignee: Lowell D. Goldie
• Original Assignee: Lowell D. Goldie
• Inventors: Goldie, Lowell D.
• Primary Examiner(s): Fischmann, Bryan
• Assistant Examiner(s): AVERY, BRIDGET D
• Application Number:
  US10/645,214
• Publication Number:
  US 20050189737A1
• Time in Patent Office: 824 Days
• Field of Search: 280/38, 280/43.11, 280/43.12, 280/43.17, 280/47.34, 280/79.2, 280/79.11, 280/79.4, 280/641, 280/651, 280/87.042, 280/87.041, 280/11.215, 280/11.217, 414400-402, 414/426, 414/428, 414/429, 414/430, 414/444, 414/458, 414/490, 414/540, 188/30, 188/61, 188/82.1, 188/82.3, 188/82.84
• US Class Current: 280/641
• CPC Class Codes: B25H 5/00 Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers collecting or removing exhaust gases in workshops B08B15/002; vehicle lifting devices, e.g. jacks, platforms or ramps B66F
• CPC Class Codes: B62B 3/10 characterised by supports specially adapted to objects of definite shape
• CPC Class Codes: B66F 5/00 Mobile jacks of the garage type mounted on wheels or rollers

Abstract

A dolly (10) for transporting a jack (50) having front arm members (12a, b) attached to cooperating ends of rear arm members (34a, b) by a rod (30). The front arm members are mounted on wheels (22a, b) on the front arm member. The dolly is used to move vehicle jacks that have been modified to have an aperture (62) and mounting rods (64, 66, 68) attached to outside walls thereof. A friction brake (73) locks the rear wheel (44a) into place to prevent the jack from moving when in use. The modified jack is then aligned between the arm members of the dolly so that the rods on the front arm members of the dolly are inserted into the aperture on the jack. Springs (28, 70, 72) are secured between the dolly rods to the jack rods. The jack handle (54) can be manipulated to transport the jack to a desired location or secured to the hitch of a vehicle for towing.

Claims

1. A dolly for transporting a hydraulic vehicle jack, said dolly comprising:

two elongate front arm members and two elongate rear arm members, each front arm member being pivotally attached to a cooperating end of a rear arm member by a rod disposed in apertures on the cooperating ends of the front and rear arm members;

a cylindrical collar attached to each front arm member opposite the cooperating end;

a wheel fork disposed in pivotal engagement within said collar;

an axle with a wheel rotatingly disposed on said axle affixed to a lower end of the fork;

a rod medially attached perpendicularly to an inside surface of each front arm member;

at least one spring secured at one end thereof to each rod;

an axle with a wheel rotatingly disposed on said axle extending from each rear arm member opposite the cooperating end of the rear arm member;

a friction brake; and

a plate with rod affixed thereto attached to an inside surface of each rear arm member adjacent to the axle thereof.

2. The dolly of claim 1 wherein the at least one spring comprises two springs on each rod.

3. The dolly of claim 1 wherein said friction brake comprises:

a pedal affixed perpendicularly to a first plate;

a rod affixed perpendicularly to said rear arm member;

a roller affixed to a second plate;

a spring connecting said pedal to said rear arm member; and

a spring connecting said second plate with roller affixed to said rear arm member.

4. The friction brake of claim 1 wherein said friction brake consists of:

any spring loaded braking system which locks into place.

5. The friction brake of claim 3 wherein:

said plate with roller affixed thereto has a notch which can accommodate said rod.

6. The friction brake of claim 5 wherein:

said roller is placed against a wheel when said notch accommodates said rod.

7. A method for using a dolly to transport to a hydraulic vehicle jack, said jack having an elongated, rectangular body with opposing lateral side walls, a pair of wheels attached to a first end thereof and a second pair of wheels attached to an opposing end thereof and a elongate handle extending from the first end of the jack, said jack further being modified to include an aperture bored through a top of the body and three pairs of rods attached perpendicularly to an exterior surface near a forward, end, middle and rear on the opposing lateral side walls of the body of the jack and the dolly comprising two elongated front arm members and two elongated rear arm members, each front arm member being pivotally attached to a cooperating end of a rear arm member by a rod disposed in apertures on the cooperating ends of the front and rear arm members, a cylindrical collar attached to each front arm member opposite the cooperating end, a wheel fork disposed in pivotal engagement within said collar, a axle with a wheel rotatingly disposed on said axle affixed to a lower end of the fork, a rod medially attached perpendicularly to an inside surface of each front arm member, at least one springs secured at one end thereof to each rod;

a friction brake attached on one rear arm member;

an axle with a wheel rotatingly disposed on said axle extending from each rear arm member opposite the cooperating end of the rear arm member and a plate with rod affixed thereto attached to an inside surface of each rear arm member adjacent to the axle thereof, said method comprising the steps of;

aligning the jack between the arm members of the dolly;

inserting each rod on each front arm member of the dolly through the aperture on the top of the jack;

attaching one end of the at least one spring to one rod on the plate of each rear arm member of the dolly and a second end of the at least one spring to each middle rod extending from the jack;

attaching a first end of the at least one other spring to each rod on the plate of each arm member to each front rod extending from the jack;

manipulating the handle of the jack to transport the jack to a desired location; and

setting the friction brake to prevent the jack from rolling.

8. The method of claim 7 further comprising the further step of:

inserting a pin through an aperture located on an arm-attached to an end of the jack to a tow hitch of a vehicle while the jack is secured within the dolly for towing the dolly with the vehicle.