If your Win95 is OSR 2.0, you need to install the USB supplement to upgrade it to OSR 2.1 for USB support. Your Win95 CD may have this update on it. If the volume label on your CD is "W95_FULL_AR" then you should be able to find a file called "usbsupp.exe". It is in the \other\usb directory. If you don't have this update, let me know and I'll give you a link to download it.
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In order for Win95 Osr2 to fully support USB you will need to download the usbsupp.exe file and install it. This will properly set up the root hub for the usb controller. You will also need to make sure that you have installed the .inf update utility to properly configure the chipset in win95