Title:
GEAR TYPE EXPANSION MECHANISM AND CIVIL ENGINEERING DEVICE USING THEREOF
Document Type and Number:
Japanese Patent JP2019173340
Kind Code:
A
Abstract:
To provide a gear type expansion mechanism having versatility and a civil engineering device using thereof, capable of decreasing work labor and work time.SOLUTION: A gear type expansion mechanism 1 comprises: a drive gear 11 rotating clockwise and counterclockwise; a rotating body 13 provided with a driven gear 12 mating with the drive gear 11; a first rod 14 mating a first female screw hole 131; a second rod 15 mating with a second female screw hole 132; and a case body 16 provided with a first opening end part 162 in which the first rod 14 is inserted to limit rotation of the first rod 14 and a second opening end part 163 in which the second rod 15 is inserted to limit rotation of the second rod 15. A hook, an eyebolt, a clamp and the like can be detachably attached at each of tip parts 144, 145 of the first and second rods 14, 15 expanding in accordance with a rotation direction of the drive gear 11.SELECTED DRAWING: Figure 1
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Inventors:
KONNO TAKAYOSHI
Application Number:
JP2018061336A
Publication Date:
October 10, 2019
Filing Date:
March 28, 2018
Export Citation:
Assignee:
KONNO KOUMUTEN CO LTD
International Classes:
E04G5/04; E02D27/42; E04G21/16; F16B2/10; F16B7/06; F16B45/00; F16H1/16; F16H25/20
Domestic Patent References:
| JP2009174694A | 2009-08-06 | |||
| JPS54152871U | 1979-10-24 | |||
| JPH02271102A | 1990-11-06 | |||
| JPH0374745U | 1991-07-26 | |||
| JPH0488545U | 1992-07-31 | |||
| JPS602005U | 1985-01-09 | |||
| JPS5845444U | 1983-03-26 | |||
| JPS4831178Y1 | 1973-09-22 | |||
| JPS63172007A | 1988-07-15 | |||
| JPS5997854A | 1984-06-05 | |||
| JPS5157928A | 1976-05-20 |
Attorney, Agent or Firm:
Umemori Kaoru
Natsuka Ito
Natsuka Ito