| 摘要 |
A safety clamp, which includes a link for connection to a crane or the like, a steering mechanism, the steering mechanism including a casing, a ratchet wheel mounted in the casing and connected to the link, and steering control means for controlling the direction of rotation of the ratchet wheel, a supporting bar connected to the casing, a movable bar connected to the ratchet wheel and turned with the ratchet wheel and the link relative to the casing and the supporting bar, and a clamping bar connected to the movable bar and worked with the supporting bar to hold an object between the clamping bar and the supporting bar for enabling the object to be lifted with the safety clamp.
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