Hand truck
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Sep 24, 2019
Grant Date -
N/A
app pub date -
Jun 13, 2017
filing date -
Jun 13, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hand truck having a frame two short and two long sides; a wheel and axel assembly attached to the frame; a lifting assembly extending between the two short sides; said lifting assembly comprising a frame center pole rail having an attached gear rack, a gear box movably attached to the center pole, said gear box including, a toothed that meshes with the gear rack, a worm gear having a drive shaft that meshes with the toothed pinion, wherein rotation of the drive shaft causes the worm gear to drive the pinion along the gear rack; a lift bracket attached to the gear box comprising a receiving plate with at least one slot; and at least one removable lift platform comprising a platform plate with at least one key that is securely receivable into the slot; wherein the gearbox is drivable using a power supply supplied by a user.
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Family
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Cited Art Landscape
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