| 摘要 |
The grease gun consists of a valve body (1), a greasing piston (2), a cylinder (3), a pressure spring (4) and sealing ball (5). A sealing washer (11) is located inside a slot cut in the interior wall of the cylinder. The grease gun has a sealed grease cartridge (9) and a casing (7). The cartridge has an opening at one end and contains a piston (10). The upper end of the cartridge is fixed onto the grease gun connecting slot (13). The cartridge opening leads to valve grease slot so that grease (12) in the grease cartridge penetrates into the valve grease cylinder. One end of the cartridge casing is mounted on the valve body base (14) and a rear cover (8) is mounted on the other end.
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