METHOD AND DEVICE FOR TRANSPORTATION

Title:

METHOD AND DEVICE FOR TRANSPORTATION

Document Type and Number:

WIPO Patent Application WO/2001/044086

Kind Code:

A1

Abstract:

A transportation device (10) comprising crank arms (22) installed rotatably on a drive wheel (21), link levers (23) each having one end pin-connected to the tip of each of the crank arms (22), and swing parts (30) each having the other end pin-connected to each of the link levers (23) and held at a specified distance from a rotating shaft (210) of the drive wheel (21), wherein a speed changing cam roller (223) is installed on the crank arm (22) projectedly at a position apart from the rotating center thereof, and the transmission cam roller (223) is engaged for guiding with a transmission cam groove (44) formed eccentrically with respect to the rotating shaft (210) of the drive wheel (21), whereby the tips of the crank arms (22) are swung with in one rotation frequency of the drive wheel (21), and the angular velocities of the link levers and the swing part (30) connected thereto are increased or decreased periodically relative to the angular velocity of the drive wheel (21).

Inventors:

NAKAKADO MASAKI (JP)

Application Number:

PCT/JP2000/008879

Publication Date:

June 21, 2001

Filing Date:

December 14, 2000

Export Citation:

Click for automatic bibliography generation Help

Assignee:

ZUIKO CORP (JP)
NAKAKADO MASAKI (JP)

International Classes:

A61F13/15; B65G47/244; B65G47/84; (IPC1-7): B65G47/86

Foreign References:

JPH02502626A	1990-08-23
US5025910A	1991-06-25

Other References: