This is one of the possible logo

(And my favourite)

https://s9.postimg.org/f3q5ohfr3/raifork.png

or

https://s10.postimg.org/3s8r48c9l/raifork.png

or

https://s10.postimg.org/qsp6jy5h5/raifork.png

or

https://s10.postimg.org/4ymq4max5/raifork.png

or (best IMO)

https://s10.postimg.org/ip2kkqut5/logo.png
https://s9.postimg.org/b4yne0z6n/logo.png
https://s9.postimg.org/cb70gs6xr/logo.png