Hand held motorized tool with over-molded cover
First Claim
Patent Images
1. A hand held cleaning apparatus comprising:
- a rigid subassembly shell having an interior surface and an outer wall with a motor therein;
said interior surface including a plurality of strut sections forming a honeycomb configuration to support the outer wall of the shell;
a shell cover that is injection molded around the shell after the motor has been located inside the shell; and
a cleaning attachment in driving engagement with the motor.
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Accused Products
Abstract
A cleaning apparatus having a housing, a motor, a battery, and a removable cleaning attachment. The housing comprising a rigid subassembly shell and a resilient cover. The cover is injection molded onto the shell to waterproof a majority of the shell. The shell has raised portions on its exterior that are used to position the shell in the injection mold. After molding is completed, the cover surrounds the raised portions, but does not cover them.
187 Citations
21 Claims
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1. A hand held cleaning apparatus comprising:
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a rigid subassembly shell having an interior surface and an outer wall with a motor therein; said interior surface including a plurality of strut sections forming a honeycomb configuration to support the outer wall of the shell; a shell cover that is injection molded around the shell after the motor has been located inside the shell; and a cleaning attachment in driving engagement with the motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. In a hand held tool having a motor, a battery and a housing, wherein the improvement comprises:
the housing having a rigid multi-piece subassembly shell, said shell including an interior surface and an outer wall, said interior surface including a plurality of intersecting sections to support the outer wall of the shell and a shell cover molded over the shell, the shell enclosing the motor, and the cover being comprised of a resilient polymer material that is injection molded onto a majority of an exterior surface of the shell and provides a watertight seal over areas of connection between members that form the shell. - View Dependent Claims (13, 14, 16, 17, 18, 19, 20)
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15. A tool as in claim 24 wherein the cover has a uniform thickness on the shell except at the hand guard section.
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21. A hand held cleaning apparatus comprising:
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a rigid subassembly shell having an interior surface and an outer wall with a motor therein, said interior surface including a plurality of strut sections forming a honeycomb configuration to support the outer wall of the shell, a shell cover that is injection molded around the shell before the motor has been located inside the shell; and a cleaning attachment in driving engagement with the motor.
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Specification