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US 12,241,524 B2Granted
Block lock with short locking distance
AssigneeThiele GmbH & Co. KG
InventorJanis Quinting
Life of this patent
Estimating the term…
Abstract
A block lock for connecting two chain ends, wherein, in the locked state, the block lock has two oppositely located block-lock halves which extend in the longitudinal direction, interengage in a form-fitting manner via a respective stub and stub socket and lock to form at least one accommodating opening, preferably two accommodating openings, for accommodating a chain link. The block-lock halves interengage in a comb-like manner at their ends.
Claims12
A block lock for connecting two chain ends, comprising:
- in a locked state, two oppositely located block-lock halves which extend in a longitudinal direction of the block lock, wherein the two block-lock halves interengage in a form-fitting manner via a respective stub and stub socket, and the two block-lock halves lock to form an opening for accommodating a chain link, and the two block-lock halves each have an end, and the two block-lock halves interengage in a comb-like manner at each of the ends, and the two block-lock halves lock to one another via a displacement distance in the longitudinal direction, wherein the displacement distance is smaller than 10% of a diameter of the chain link, wherein an extended portion at one end of each of the two block-lock halves has at least three comb-like fork extensions, and
- wherein the at least three comb-like fork extensions externed parallel alongside each other in the longitudinal direction.
Dependencies are inferred from the claim text.