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US 7,727,003 B2Granted
Cord protector for power tools
AssigneeBlack & Decker Inc.
InventorsWarren A. Ceroll, Daniel Puzio, Robert S. Gehret, Richard C. Nickels, Jr.
Life of this patent
Estimating the term…
Abstract
A power tool having a housing, a motor disposed in the housing, a power cord connected to the motor, and a cord protector operably engaging the power cord. The cord protector comprising at least one elastically-deformable biasing member engaging the power cord and exerting a biasing force upon the power cord in response to a load being applied to the power cord and recovering to an initial position in response to removal of the load.
Claims20
A power tool comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- and
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load, said at least one elastically-deformable biasing member extending from said housing.
2 more elements
A power tool, comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- and
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasin member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load, said at least one biasing member is an extension spring, said extension spring being coupled at one end to said housing and engaging said power cord at an opposing end.
2 more elements
A power tool, comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load;
- and
- an engagement plate fixedly coupled to said power cord;
- said engagement plate engaging said at least one biasing member.
4 more elements
A power tool, comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- and
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load, said biasing member is a spherical member positioned between said power cord and said housing.
2 more elements
A power tool comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- and
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load, said at least one biasing member is a leaf spring, said leaf spring being slidably coupled on opposing ends to said housing.
2 more elements
A power tool, comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- and
- a cord protector operably engaging said power cord said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load, said at least one biasing member is a torsion spring, said torsion spring being fixedly coupled on one end to said housing.
2 more elements
A power tool comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load;
- and
- a tether operably coupling said power cord and said biasing member.
3 more elements
A power tool, comprising:
- a tool body having a housing;
- a motor disposed in said housing;
- a power cord connected to said motor;
- and
- a cord protector operably engaging said power cord, said cord protector comprising at least one elastically-deformable biasing member engaging said power cord and exerting a biasing force upon said power cord in response to a load being applied to said power cord, said biasing member recovering to an initial position in response to removal of said load, said biasing member is a piston device, said piston device comprising a piston member and a piston chamber, said piston member being fixedly coupled to said power cord and slidably disposed in said piston chamber to define a compressible pressure volume, said compressible pressure volume outputting an opposing biasing force in response to said load.
2 more elements
Dependencies are inferred from the claim text.