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US 7,540,140 B1Granted
Shackle apparatus
OwnerCarroll Diaz, Derrick Prenticeinventors
Life of this patent
Estimating the term…
Abstract
An improved shackle assembly is disclosed that provides a bow having specially configured receptacle on one end portion that interlocks with a specially configured pin assembly. The pin assembly has locking members or lugs that move between locking and releasing positions. The locking lugs can be moved to a locking position or unlocked using a rotating end portion of the shaft opposite the receptacle.
Claims20
A shackle apparatus comprising:
- a) a bow having bow end portions, each bow end portion having an opening;
- b) a pin assembly that detachably connects to the bow, the pin assembly including a barrel having spaced apart end portions and a hollow bore that has larger and smaller diameter sections;
- c) a shaft that fits the barrel bore, the shaft having one end portion with a plate and a plurality of locking members, each locking member being pivotally attached to the plate, each locking member having a projecting portion that engages the larger diameter bore section of the barrel hollow bore;
- c) an end portion of the shaft opposite the projecting portions being rotatable;
- d) wherein rotation of the shaft in one rotational direction extends the projecting members so that they enter the larger diameter bore section and rotation of the shaft in the other direction retracting the projecting members.
2 more elements
A shackle apparatus comprising:
- a) a generally U shaped bow having bow end portions, each bow end portion having an opening;
- b) a pin assembly that detachably connects to the bow at the bow openings, the pin assembly including a barrel and a receptacle, the receptacle forming an attachment to one bow end at a bow opening, the other bow end being receptive of the barrel;
- c) the receptacle having a bore section;
- d) the barrel having a bore section;
- e) a shaft that connects to the barrel and to the receptacle by occupying the bore sections, the shaft having a plurality of locking members, each locking member being pivotally attached to the shaft, each locking member having a projecting portion that engages the receptacle bore section;
- f) rotation of the shaft relative to the barrel extending the projecting members and retracting the projecting members;
- g) the receptacle bore section being enlarged to receive the projecting members.
4 more elements
Dependencies are inferred from the claim text.