US 11,898,381 B2
Waterproof structure for door latch device
Yosuke Kitamura, Kanagawa (JP); and Tatsuya Takayama, Kanagawa (JP)
Assigned to MITSUI KINZOKU ACT CORPORATION, Kanagawa (JP)
Filed by MITSUI KINZOKU ACT CORPORATION, Kanagawa (JP)
Filed on Sep. 8, 2021, as Appl. No. 17/469,607.
Claims priority of application No. 2020-152276 (JP), filed on Sep. 10, 2020.
Prior Publication US 2022/0074239 A1, Mar. 10, 2022
Int. Cl. E05B 77/34 (2014.01); E05B 79/20 (2014.01)
CPC E05B 77/34 (2013.01) [E05B 79/20 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A waterproof structure for a door latch device in which one end part of a cable is connected to an input lever, the input lever including one end part projecting toward outside of a case, and an operation force is transmitted to the input lever via the cable to operate a latch mechanism disposed inside the case, the waterproof structure comprising:
a cover including:
a cover main body having a box shape with a cover opening, the cover main body being configured to house the one end part of the input lever and the one end part of the cable via the cover opening when the cover main body abuts on the case; and
a cover supporting body extending from the cover main body;
a plurality of mutual engagement parts disposed around a circular mounting hole at regular intervals;
a positioning pin and a locking piece provided in one of the cover main body and the case; and
a positioning hole and a locking reception part provided in another one of the cover main body and the case,
wherein the cover is attached to the case via the cover supporting body in a state in which the cover main body is movable between a closed position at which the cover main body abuts on the case and an opened position at which the cover main body is separated from the case,
the plurality of mutual engagement parts are disposed between the cover supporting body and the cover main body, the plurality of mutual engagement parts being configured to restrict movement of the cover main body to the opened position by engaging with each other when the cover main body is arranged at the closed position,
the positioning pin and the positioning hole are engaged with each other and the locking piece and the locking reception part are locked with each other at the closed position,
the input lever is provided in a rotatable manner between a latch housing part of the case and a cable bracket,
the cover main body further houses the cable bracket, and
the cover main body is formed of a single member.