MARINE REDUCTION AND REVERSE DEVICE

WIPO Patent Application WO/2017/057008

A1

The purpose of the present invention is to provide a marine reduction and reverse device that, while having a simple configuration, can reliably prevent the occurrence of problems such as seizing, in a case where a propeller has become locked during navigation due to an occurrence such as the entanglement of a rope. In order to achieve the foregoing, a marine reduction and reverse device (1) is provided with the following: a forward transmission unit (7) which includes a forward input shaft (12), a forward pinion (15), and a forward clutch (14); a reverse transmission unit (8) which includes a reverse input shaft (16), a reverse pinion (19), and a reverse clutch (18); and an output transmission unit (9) which includes an output gear (22) that continuously meshes with the forward pinion (15) and the reverse pinion (19), and an output shaft (23) that pivotally supports the output gear (22) and that is linked to a propeller (20). The marine reduction and reverse device is provided with an overload detection means (50) for detecting an overload state from the forward input shaft (12) to the output shaft (23). When the overload detection means (50) has detected an overload state, the overload detection means (50) switches the forward clutch (14) to a "disconnected" state.

NAKAGAWA SHIGEAKI (JP)
OWADA KAZUHIRO (JP)
SHIMAZAKI KEISEI (JP)
YASUDA OSAMU (JP)
YAMANISHI KENTA (JP)
TERADA HIROTOSHI (JP)
HARADA HIDEMI (JP)
NAKASHIMA WATARU (JP)
NAKAMURA YUSUKE (JP)

PCT/JP2016/077196

April 06, 2017

September 14, 2016

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KANZAKI KOKYUKOKI MFG CO LTD (JP)

B63H23/30; B63H23/08

JP2013123987A	2013-06-24
JPS6260578B2	1987-12-17
JPH048694A	1992-01-13
JPS4891792A	1973-11-29
JPS5155588A	1976-05-15
JPS52147829U	1977-11-09
JPH06201030A	1994-07-19

YANO Juichiro (JP)

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