Patent ID: 6012359
Filing Date: 2000-01-11
Classification: F16H

Abstract:
A cartridge comprising:a housing including a pair of opposite punctures and a pair of opposite orifices communicating with said punctures respectively,a pair of stems rotatably received in said orifices respectively and each including an engaging hole aligning with said punctures respectively for allowing said engaging holes to receive a fastener, said stems each including a gear extended inward of said housing, anda gear transmission device coupled between said gears of said stems for allowing a first of said stems to be driven by a second of said stem when said second stem is driven by a driving tool, and for allowing said second stem to be driven by said first stem when said first stem is driven by the driving tool,said housing including two recesses formed therein and two plates secured in said recesses respectively, said gear transmission device being secured between said plate.