Abstract: Devices for filling a cigarette tube with tobacco are disclosed. In one aspect, the devices contain separate metering, compression, and injection mechanisms, which may be manual, partially automatic, or fully automatic. The metering mechanisms move a proper amount of tobacco to a compression chamber, where the tobacco is thereafter compressed for eventual injection. In some embodiments, means are provided for assessing whether a sufficient quantity of tobacco has been metered into the compression chamber, and if not, further metering is accomplished prior to injection. In another aspect, the metering and compression mechanisms are combined into a single mechanism to the same effect. In yet another aspect, a loader for holding cigarette tubes is provided that can be manually operated or fully automated.

Abstract: A dual cam cover has a molded housing made, preferably, of a thermoset polyester composite material replacing an aluminum casting. An integral stiffening bar added between raised cam chamber walls includes retaining slots for holding associated spark plug wires. Peripheral mounting bosses include cylinder like angled ribs for sturdy support with a pleasant appearance. Isolated mounting screws combine with resilient gaskets in the peripheral flange and around central spark plug and fastener openings to provide sealing and mounting isolation. Improved oil separators include one piece metal baffles with formed drain openings. A bushing and a threaded insert are molded in for mounting a vent tube and an accessory.