referring to fig9 it is seen that cartridge connecting structure 16 has recessed region 78 for receiving cam surface 70 of handle 63 as handle 63 is moved along connection axis 72 fig1 13 cartridge connecting structure 16 also has latching portion 82 located at the junction of the top of recessed region 78 and the center of cutaway portion 80 latching portion 82 is contacted by retaining surface 62 of latch 22 when retained in dispenser 10 fig6 cartridge connecting structure 16 also has two detents 83 for mating with two depressions 85 fig8 on handle 63 extending from the end of cartridge connecting structure 16 are two arms 77 with pivots 79 only one arm and one pivot are shown in fig9 that make a pivotal connection with blade unit 14 fig2 as is described in detail in the above referenced patent application u s ser no 08 630 437 in loading a cartridge 12 into a respective section 20 the bottom of each blade unit 14 is guided by upper surface 90 of divider 42 or of back angled wall 95 fig4 and passes through angled region 92 into blade unit region 94 surfaces 90 thus include the upper surfaces of both lower portion 44 and upper portion 46 of dividers 42 the bottom of blade unit 14 is also guided along the upper countoured surfaces of cartridge supports 38 and rests on supports 38 with the front of the blade unit resting against blade unit divider portion 36 as shown in fig4 cartridge supports have an initial generally horizontal portion followed by a first angled portion followed by a second angled portion at a smaller angle as shown in fig1 pivotal cartridge connecting structure 16 is held in a position in which.