MANUAL OPENING DEVICE OF HORSE STARTING GATE FRONT DOOR

Japanese Patent JP3029584

B2

PROBLEM TO BE SOLVED: To to safely open only a front door of any gate as required with light operation force, without using a tool such as a minus screwdriver etc., when a racing horse is unwilling to enter the gate, or a racing horse in the gate gets violent.
SOLUTION: A manual opening device 30 to allow releasing operation of a second latch lever is provided on one side of a right front door 7 and one side of a left front door 8. The manual opening device 30 is supported to slide freely on one sides of the right front door 7 and the left front door 8, and has a supporting pin 15 to support the tip of the second latch lever in projecting state, an elastic body 33 to urge the projection of the supporting pin 15, and a grip part 34 formed on the base of the supporting pin 15. The supporting pin 15, which projects and supports the tip of the second latch lever, grips the grip part 34. And the supporting pin 15 is sunk by compressing and deforming the elastic body 33, thereby the supporting of the second latch lever tip by the supporting pin 15 is released.

WO/2012/127088	STARTING PLATFORM FOR SWIMMING
JP3831875	FALSE START CHECKING DEVICE
JP2000292144	SYSTEM FOR DETECTING HUMAN MOVEMENT

Ishihama Isamu
Kazunobu Shimizu
Yasunari Mukai

JP35777796A

April 04, 2000

December 27, 1996

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Nippon Starting System Co., Ltd.
Silver Built Co., Ltd.
Japan Steel Works, Ltd.

A63K3/02; (IPC1-7): A63K3/02

JP59182400U
JP51150761U

Hiroyuki Maeda

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