A mobile ladder support assembly provides stable lateral and rear support, and transportability for operation of a ladder. A lateral support bar restricts lateral tilting by the assembly. A pair of height adjustable rear support bars restrict backwards tilting by the assembly. A pair of caster wheel
A mobile ladder support assembly provides stable lateral and rear support, and transportability for operation of a ladder. A lateral support bar restricts lateral tilting by the assembly. A pair of height adjustable rear support bars restrict backwards tilting by the assembly. A pair of caster wheels transport the assembly and the ladder. The wheels ride a pivot bar that rotates in a first direction for a stationary position. When the pivot bar is manipulated towards the second direction, the pair of wheels drop to a mobile position. Springs at the ends of the pivot bar create tension that maintains the pivot bar in the first position. Tabs selectively engage a notches to retain the wheels in the stationary position, or release the wheels to the mobile position. The free rotation and swivel of the wheels creates a center of mass that drop the wheels to the mobile position.
대표청구항▼
1. A mobile ladder support assembly for selectively moving between a stationary position to support a ladder, and a mobile position to transport the ladder, the assembly comprising: a pair of sleeves, the pair of sleeves having a sleeve first end and a sleeve second end;a lateral support bar, the la
1. A mobile ladder support assembly for selectively moving between a stationary position to support a ladder, and a mobile position to transport the ladder, the assembly comprising: a pair of sleeves, the pair of sleeves having a sleeve first end and a sleeve second end;a lateral support bar, the lateral support bar having a first lateral end and a second lateral end, the lateral support bar disposed at an angle to the pair of sleeves, the lateral support bar configured to restrict lateral tilting by the assembly, the first lateral end and the second lateral end configured to hingedly fold generally parallel to the pair of sleeves;a pair of rear support bars, each rear support bar has a first rear end and a second rear end, the pair of rear support bars disposed generally perpendicular to the lateral support bar, the pair of rear support bars configured to help restrict rearward tilting by the assembly, the first rear ends and the second rear ends configured to hingedly fold generally parallel to the lateral support bar, the second rear ends having a height adjustment device, the height adjustment device configured to adjust to a height of the second rear ends;a pair of wheels, the pair of wheels configured to pivot between a stationary position and a mobile position, the pair of wheels further configured to rotate and swivel freely, wherein the stationary position disables the pair of wheels from transporting the assembly, wherein the mobile position enables the pair of wheels to transport the assembly;a pair of wheel bases, each wheel base has an axle and a mount end, each axle end configured to join with each wheel, each mount end configured to join with the lateral support bar, the mount ends having a plates, the plate having a notch,a pivot bar, the pivot bar having a first pivot bar end and a second pivot bar end, the pivot bar disposed generally parallel to the lateral support bar, the pivot bar configured to pivot in a first direction and a second direction;a pair of springs, a first spring disposed at the first pivot bar end and a second spring at the second pivot bar end, the pair of springs configured to exert a tension on the pivot bar, the tension operable to rotate the pivot bar towards the first direction; anda pair of tabs, a first tab is disposed at the first pivot bar end and a second tab at the second pivot bar end, each tab is configured to engage each notch in each wheel base when the pivot bar is rotated in the first direction, wherein the pair of tabs retains the pair of wheels in the stationary position, the pair of tabs further configured to disengage the notches in the pair of wheel bases when the pivot bar is rotated in the second direction, wherein the free rotation and swiveling of the pair of wheels forms a center of mass that pivots the pair of wheels to the mobile position. 2. The assembly of claim 1, wherein the assembly is configured to support a ladder. 3. The assembly of claim 2, wherein the sleeve first ends are configured to receive a pair of legs from the ladder. 4. The assembly of claim 3, wherein the sleeve second ends have a flange, the flange configured to receive the first pivot bar end or the second pivot bar end. 5. The assembly of claim 4, wherein the angle between the lateral support bar and the pair of sleeves is about 75°. 6. The assembly of claim 5, wherein the first lateral end and the second lateral end have a lateral bar hinge, the lateral bar hinge configured to enable folding of the lateral support bar, generally parallel to the pair of sleeves. 7. The assembly of claim 6, wherein the first lateral end and the second lateral end have a lateral bar brace, the lateral bar brace configured to restrict folding of the lateral support bar, generally parallel to the pair of sleeves. 8. The assembly of claim 7, wherein the first rear end and the second rear end have a rear bar hinge, the rear bar hinge configured to enable folding of the pair of rear support bars, generally parallel to the lateral support bar. 9. The assembly of claim 8, wherein the first rear end and the second rear end have a rear bar hinge, the rear bar hinges configured to restrict folding of the pair of rear support bars, generally parallel to the lateral support bar. 10. The assembly of claim 9, wherein the second rear end is height adjustable through rotatable manipulation of the height adjustment device. 11. The assembly of claim 10, wherein the height adjustment device has a threaded rod, the threaded rod having an adjustment end and a base end, wherein a nut rotatably engages the adjustment end of the threaded rod for height adjustment of the second rear end. 12. The assembly of claim 11, wherein the base end of the threaded rod is configured to provide a grip for the height adjustment base. 13. The assembly of claim 12, wherein the pair of wheels are caster wheels. 14. The assembly of claim 13, wherein the pair of wheels engage a ground surface in the mobile position. 15. The assembly of claim 14, wherein the pair of wheels disengage from a ground surface in the stationary position. 16. The assembly of claim 15, further including a fastener, the fastener configured to fasten the plate of the wheel base to the lateral support bar, wherein the wheel base swivels freely on the fastener. 17. The assembly of claim 16, further including a lever, the lever disposed to join the pivot bar, the lever configured to enable pivoting of the pivot bar in the first direction and the second direction. 18. The assembly of claim 17, wherein the axle end of the wheel base has an axle, the axle configured to pass through the pair of wheels, wherein the pair of wheels rotate freely on the axle. 19. The assembly of claim 18, further including a pair of end caps, each end cap disposed to join with the first pivot bar end and the second pivot bar end, each end cap is configured to retain each spring on a respective pivot bar end.
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이 특허에 인용된 특허 (6)
Southern Don L. (1918 Euharlee Rd. Kingston GA 30145-2502), Adjustable ladder stand-off brace for corner walls.
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