Patent ID: 8212708

Claim:
A remote controller comprising: a casing with a battery holder provided to house batteries; a lid to cover the battery holder of the casing and provided with a latch-hook extending downward at its end; a switch-contact to carry out electrical switching conducted by an operation panel; a controller to send remote signals from a transmitter in response to an electrical switching of the switch-contact; a plurality of protrusions disposed symmetrically on a front surface and a rear surface of the latch-hook of the lid; and a plurality of latch-pawls provided on the casing internally, each of the latch-pawls disposed so as to engage with respective one of the plurality of protrusions, wherein in a condition in which each of the protrusions engages with a respective one of the latch-pawls resiliently, each of the protrusions is released from the resilient engagement with the respective one of the latch-pawls by turning the latch-hook pivotally.