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US 4,357,845 AGranted
Apparatus for manipulating wingnuts
OwnerJared B. Corniainventor
Life of this patent
Estimating the term…
Abstract
A universal wingnut wrench, which incorporates a grip apparatus capable of engaging various wingnut configurations, a drive apparatus adapted to be driven manually or by any of a variety of implements, and an integral magnet to adhere a wingnut to the wrench, to serve in combination as a device to facilitate the installation and removal of wingnuts from even marginally accessible locations is provided.
Claims2
A universal wingnut wrench comprising:
- a body member having grip means for engaging the ears of a wingnut;
- magnet means for magnetically adhering said wingnut to said body member;
- and
- drive means for permitting torque to be applied to said body member so that said wingnut can be rotated with said wrench,
- said magnet means comprising:
- said body member having opposed positive and negative magnetic pole regions;
- said magnetic pole regions having symmetry about a longitudinal plane of said body member;
- said body member having a concavity at a first end;
- and
- said body member further comprising first and second and magnetically impermeable regions interposed between said pole regions adjacent said first end,
- said grip means comprising:
- said body member having first and second pairs of diametrically opposed pairs of slots at said first end;
- said body member having a first of each of said pairs of slots in said positive region adjacent a different one of said impermeable regions;
- and
- said body member further having a second of each of said pairs of slots in said negative region adjacent a different one of said impermeable regions.
12 more elements
Dependencies are inferred from the claim text.