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US 10,518,618 B2Granted
Tarp motor assembly
AssigneeDumore Corporation
InventorsBukun Liu, James Muchenberger, David Messer
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a tarp motor assembly for a truck bed that utilizes both a worm drive, comprising a worm gear and a worm screw which is arranged directly on a motor-driven armature shaft of an electric motor, and a spur gear transmission, which is driven by the worm drive and connected to an output shaft, to control spooling of a tarp over the truck bed.
Claims21
A tarp motor assembly comprising:
- an electric motor driving an armature shaft;
- a worm drive including a worm screw connected to the armature shaft and a worm gear;
- and
- a spur gear transmission connected to an output shaft, wherein the spur gear transmission includes a plurality of parallel shafts and a plurality of spur gears, and wherein the worm gear is arranged along with one of the plurality of spur gears on one of the plurality of parallel shafts.
1 more element
An electric motor assembly comprising:
- an electric motor that drives a worm screw;
- a worm gear driven by the worm screw;
- and
- a spur gear transmission, connected to an output shaft, wherein the spur gear transmission includes a plurality of parallel shafts and a plurality of spur gears, and wherein the worm gear is connected to one of the plurality of parallel shafts.
1 more element
A spooling gear assembly for an electric motor comprising:
- a spool connected to a spur gear transmission, wherein the spur gear transmission includes a plurality of parallel shafts and a plurality of spur gears;
- a worm gear connected to the spur gear transmission;
- and
- a worm screw that drives the worm gear, wherein the worm screw is attachable to the electric motor such that the electric motor may rotate the worm screw.
1 more element
Dependencies are inferred from the claim text.