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Patent
Tsubakimoto Chain Co. | Date: 2017-04-05

To provide a plant draw-in device and a plant body transplantation system that can draw roots of plant bodies into holes reliably with a simple structure, so that there is no need of monitoring or manual operation for roots insertion and the production efficiency can be improved. The plant draw-in device 110 includes a draw-in tube 111 that can be disposed below a hole 121, a draw-in member 113 provided such as to be capable of protruding from the draw-in tube 111, and a drive unit 114 that reciprocally moves the draw-in member 113 such as to come out from, and retract into, the draw-in tube 111. The draw-in member 113 is formed such that a portion thereof protruding from the draw-in tube 111 deforms and spreads outward.


Patent
Tsubakimoto Chain Co. | Date: 2017-02-08

Provided is a cultivation system, whereby it becomes possible to improve and uniformize the quality of plant bodies cultivated in a plant production factory and to achieve cost reduction. A cultivation system equipped with: multiple cultivation containers, each of which accommodates plant bodies and a culture medium for cultivating the plant bodies and is provided with a recording medium for recording identification information that is used for identifying each of the plant bodies; a cultivation shelf, in which multiple shelf plates respectively having the cultivation containers placed thereon are arranged at predetermined space intervals; light sources, each of which emits vegetating light over the upper surface of each of the shelf plates; and a conveyance device for conveying the cultivation containers between the multiple shelf plates. In the cultivation system, each of the cultivation containers can accommodate multiple plant bodies and is equipped with a recording medium, identification information that is used for identifying each of the accommodated multiple plant bodies. The cultivation system is additionally equipped with: an inspection unit which has an accommodation section in which one or more of the cultivation containers are accommodated, wherein the inspection unit can inspect each of the multiple plant bodies accommodate in the cultivation container or the cultivation containers placed in the accommodation unit; and a recording unit which can record the result of the inspection of each of the plant bodies, which is obtained by the inspection unit, on the recording medium provided in the cultivation containers in connection with the identification information for the corresponding plant body.


Patent
Tsubakimoto Chain Co. | Date: 2016-02-16

An object of the present invention is to provide a tensioner lever that can reliably prevent displacement or detachment of a torsion coil spring, prevent the torsion coil spring from interfering with an attachment surface, and allow smooth attachment of the tensioner lever to the attachment surface. The tensioner lever includes a lever body having a shoe surface, and a torsion coil spring pressing the shoe surface toward a chain. The lever body includes a base part and a cylindrical boss. The torsion coil spring includes a helical part loosely fitted on an outer circumferential surface of the boss, a pressing arm making contact with the lever body, and a support arm supported on the attachment surface. The outer circumferential surface of the boss includes a restricting protrusion formed at a position closer to the attachment surface than the helical part.


Patent
Tsubakimoto Chain Co. | Date: 2016-04-13

There is provided a plant holder capable of, with a simple configuration, causing a root of a plant stock to pass through a holding hole downwardly without damaging the root of the plant stock, preventing a leaf from drooping downward and being damaged, and improving workability when transplantation and harvest are automated without damaging the plant stock by contact with the plant stock. A plant holder 110 includes a fitting portion 111 and having a plant stock support hole 114 in an inner surface, a placement portion 113 which is provided above the fitting portion 111, and a flange portion 112 which is provided above the placement portion 113. The outer diameter of the placement portion 113 is formed smaller than the outer diameter of the flange portion 112, and larger than the outer diameter of the holding hole 121.


An object of the present invention is to provide a content condition determination apparatus and a content condition determination. Method capable of efficiently determining the conditions of contents in drug-discovery storage tubes a short time using a simple configuration. A content condition determination apparatus includes a tube moving mechanism 120 that moves drug-discovery storage tubes MT to an imaging position, a lighting unit 130 that projects transmitted light, and a control section 150 that controls processing and operation of an imaging unit 110, an image processing section 140, the tube moving mechanism 120, and the lighting unit 130. The lighting unit 130 has an infrared light projection section 131. The control section 150 is configured to allow the light projection the lighting unit 130 and the imaging by the imaging unit 110 to be performed in an interlocking manner.


Patent
Tsubakimoto Chain Co. | Date: 2016-04-04

To provide a chain tensioner and a relief valve unit that enable a reduction in the number of parts to be machined and the number of assembling steps, reduce the amount of oil flowing out to the outside, and prevent damage on a check valve, without having to increase the size of the chain tensioner. The chain tensioner includes a check valve unit that suppresses reverse flow of oil flowing into an oil pressure chamber, and a relief valve unit that releases the oil when the pressure inside the oil pressure chamber reaches or exceeds a predetermined high pressure. The check valve unit is disposed as a valve element of the relief valve unit, and the relief valve unit and the check valve unit are formed integral with each other.


Patent
Tsubakimoto Chain Co. | Date: 2016-04-01

A chain guide is provided, which can readily achieve, with a simple structure, both favorable attachability and tightness of a guide shoe relative to a base member, even though the base member has side wall ribs on both left and right side edges. A base member of a chain guide includes an upstream engagement portion and downstream engagement-portions, while a guide shoe includes an upstream hook and downstream hooks. Downstream engagement portions include restricting portions. The downstream hooks are hooked to the downstream engagement portions from an outer side in a guide width direction by twisting and elastically deforming the guide shoe in a state where the upstream hook is engaged with the upstream engagement portion.


Patent
Tsubakimoto Chain Co. | Date: 2016-05-18

The present invention provides a plant transplanting device that achieves rapid and stable transplantation with a simple structure and at low cost, prevents damage to the plants, and can be automated easily. A plant transplanting device 100 that transplants a seedbed B from a plant holder 110, in which a plurality of holder seedbed-holding holes 111 penetrating in a vertical direction are arranged in a horizontal direction, to a growing pallet 120, in which a plurality of pallet seedbed-holding holes 121 penetrating in the vertical direction are arranged in the horizontal direction, includes a holder holding mechanism 130 for holding the plant holder 110, a pallet holding mechanism 140 for holding the growing pallet 120 above a holder holding position in which the holder holding mechanism 130 holds the plant holder 110, and a push-up mechanism 150 for pushing the seedbed B held in the holder seedbed-holding hole 111 upward so as to insert the seedbed B into the pallet seedbed-holding hole 121.


Patent
Tsubakimoto Chain Co. | Date: 2016-05-27

To provide a simple-structured tensioner that can maintain good sliding properties of and hydraulic pressure for the plunger. The tensioner 10 includes a sleeve 30 inserted into a cylindrical body hole 21, a plunger 40 inserted in the sleeve 30 such as to be able to advance and retract along an axial direction of the sleeve 30, and biasing unit 60 for biasing the plunger 40 toward a front side. The sleeve 30 has, at a front end of a sleeve body 31 thereof, a flange part 33 extending radially outward.


Patent
Tsubakimoto Chain Co. | Date: 2016-01-08

The present invention provides a plant transplanting device that achieves rapid and stable transplantation with a simple structure and at low cost, prevents damage to the plants, and can be automated easily. A plant transplanting device 100 that transplants a seedbed B from a plant holder 110 to a growing pallet 120 includes a holder holding mechanism 130 for holding the plant holder 110, a pallet holding mechanism 140 for holding the growing pallet 120 above a holder holding position in which the holder holding mechanism 130 holds the plant holder 110, and a push-up mechanism 150 for pushing the seedbed B held in the holder seedbed-holding hole 111 upward so as to insert the seedbed B into the pallet seedbed-holding hole 121.

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