Patent ID: 7823433

Claim:
A ratchet crimping tool comprising: a tool head cover board structure comprising an upper cover board and a lower cover board; a tool handle structure comprising a movable tool handle and a fixed tool handle; a transmission device comprising an anti-backup mechanism, an advancement mechanism and a gear structure; and a coaxial tool head comprising a movable tool head and a fixed tool head; wherein the ratchet crimping tool uses the coaxial tool head, a confirming-indicating device and an adjustable jaw structure, wherein a gear of the movable tool head is engaged with the gear structure of the transmission device, the adjustable jaw structure is connected with the movable tool head and the confirming-indicating device is connected with the movable tool head and the fixed tool handle respectively; wherein the coaxial tool head is connected with the tool head cover board structure by a link pin, and the gear structure of the transmission device is connected with the movable tool handle by a first connecting pin via the upper and lower cover boards; the fixed tool handle is connected with the anti-backup mechanism of the transmission device by a second connecting pin via the upper and lower cover boards; and wherein the advancement mechanism of the transmission device is connected with the movable tool handle by an advancement connecting pin.