Roller units
First Claim
1. A unit adapted to receive a roller comprising a housing of sheet metal having an elongated base and a roller-receiving shell, the base having an opening on each side of the shell to receive fastening means for the unit, the shell including a pair of walls integral with and bent from opposite edges of the base, each of the walls having a central stem and a pair of arms projecting from each stem and overlapping the base, the arms of one wall extending toward and mating with the corresponding arms of the other wall.
1 Assignment
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Accused Products
Abstract
A roller unit for use as a caster for luggage, for example, has a sturdy -piece roller housing formed of sheet metal, the housing comprising a rectangular base with raised pads at opposite ends thereof and a roller-receiving shell defined by a pair of opposed U-shaped walls bent from opposite longitudinal edge regions of the base between the pads. Roller units are manufactured seriatim by metal forming operations that do not require deep-drawing.
15 Citations
9 Claims
- 1. A unit adapted to receive a roller comprising a housing of sheet metal having an elongated base and a roller-receiving shell, the base having an opening on each side of the shell to receive fastening means for the unit, the shell including a pair of walls integral with and bent from opposite edges of the base, each of the walls having a central stem and a pair of arms projecting from each stem and overlapping the base, the arms of one wall extending toward and mating with the corresponding arms of the other wall.
Specification