Title:
PROGRAMMABLE ELECTRIC HAND TRUCK
Document Type and Number:
WIPO Patent Application WO/2011/142959
Kind Code:
A3
Abstract:
Hand trucks and methods for displacing an object with a hand truck are disclosed. An example hand truck includes a lifting toe and a lift apparatus coupled to the lifting toe and configured to displace the lifting toe. A microprocessor is configured to output a plurality of control signals. An actuator is coupled to the lift apparatus and is configured to displace the lift apparatus responsive at least in part to the microprocessor outputting at least one of a plurality of control signals. An example method includes changing the load on a lifting toe from a first weight to a second weight and activating an actuator responsive at least in part on changing the load. A lift sled is moved in a first direction responsive to the activation of the actuator and the lifting toe is moved in the first direction by the lift sled.
Inventors:
LAMB AARON (US)
SNIDER DOUGLAS (US)
SNIDER DOUGLAS (US)
Application Number:
PCT/US2011/033808
Publication Date:
February 23, 2012
Filing Date:
April 25, 2011
Export Citation:
Assignee:
GENERATIONIDEA LLC (US)
LAMB AARON (US)
SNIDER DOUGLAS (US)
LAMB AARON (US)
SNIDER DOUGLAS (US)
International Classes:
B62B1/14; B62B1/06; B62B1/12; B62B5/00; G05B19/05
Foreign References:
| KR20000008116U | 2000-05-15 | |||
| JPH11152038A | 1999-06-08 | |||
| US20080224433A1 | 2008-09-18 | |||
| US20070152413A1 | 2007-07-05 | |||
| KR20090006385U | 2009-06-29 |
Attorney, Agent or Firm:
DORSEY & WHITNEY LLP et al. (701 5th AvenueSuite 610, Seattle Washington, US)
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