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US 11,549,530 B2Granted
Leveraged spring clamp and related methods
OwnerRichard Ned Steinbergerinventor
Life of this patent
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Abstract
A spring clamp wherein a reduced effort is needed on the handle end as the engagement end is opened further. The spring clamp can include a clamping force adjustment means through the use of a spring pack, central rod and a folding adjuster. The spring clamp can also include low friction mounts at the ends of a spring pack to reduce user effort on the handle end.
Claims8
A spring clamp, which comprises:
- a first arm comprising a handle end opposite an engagement end;
- a second arm comprising a handle end opposite an engagement end;
- the first arm and the second arm rotatably fixed about a pivot point located between the handle end and engagement end of the first arm and the second arm;
- a spring pack comprising a coil spring and operably connected to the first arm and the second arm through a contact between the spring pack and an angular relief in the first arm and an angular relief in the second arm;
- wherein a critical distance is defined between the pivot point and a spring force vector of the spring pack and configured to represent an amount of clamping force exerted by the spring clamp between the first arm's engagement end and the second arm's engagement end;
- wherein the second arm further comprises a plurality of angular reliefs defines a plurality of critical distances;
- and
- wherein the first arm and the second arm are configured to house the spring pack between the first arm and the second arm when the spring clamp is in any position within its rotational limits.
5 more elements
Dependencies are inferred from the claim text.