Handle lock for reciprocally movable operator handle
AssigneeEaton Corporation
InventorsJames A. Becker, Ronald J. Fritsch, Richard J. Holland, Robert F. Klobuchar
Life of this patent
Estimating the term…
Abstract
A plate pivotally mounted to a padlock hasp adjacent a reciprocally movable operator handle is pivotable from a stored position to one covering the opening of the hasp, the plate having a hole aligned with the opening and smaller than the opening to receive the shackle of a single, scissors-type safety lockout and maintain the shackle in position to block movement of the operator handle to an operated position. The hole is preferably rectangular to conform to the flat, thin shape of the safety lockout shackle to maintain the shackle properly oriented. An additional round hole for a smaller diameter padlock shackle may be provided in said plate.
Claims15
A handle lock for a reciprocally movable operator handle, said handle lock comprising:
- a flange fixedly disposed proximate said operator handle extending substantially parallel to reciprocal movement of said handle;
- an opening in said flange adapted to simultaneously receive a plurality of padlock shackles, a shackle of a single one of said padlocks attached to said flange through said opening being effective for blocking movement of said handle to an operated position;
- a plate permanently pivotally mounted to said flange, said plate being movable from a first position alongside said opening to a second position overlying said opening;
- and
- at least one hole in said plate aligned with said opening in said second position of said plate, said hole being substantially smaller than said opening and adapted to receive a shackle of a single locking device, said locking device shackle attached to said flange through said opening and said hole, said hole positioning said locking device shackle relative to said opening and said handle for blocking movement of said handle to an operated position.
A handle lock for a reciprocally movable operator handle of electrical switching apparatus, said handle lock comprising:
- a frame secured to said apparatus;
- a flange on said frame disposed alongside said handle;
- an opening in said flange, said opening being sufficiently large to simultaneously receive shackles of a plurality of padlocks, a shackle of a single padlock of said plurality of padlocks attached to said flange through said opening being effective for blocking movement of said handle to an ON position of said apparatus;
- a plate permanently pivotally mounted to said flange, said plate being movable between a first position alongside said opening and a second position covering said opening;
- and
- an elongated opening extending through said plate, said elongated opening being aligned with said opening in said second position of said plate, said elongated opening being substantially smaller than said opening and restricted in size to accept a thin flat shackle of a single safety lockout device attached to said flange through said opening and said elongated opening, said elongated opening positioning said safety lockout shackle relative to said opening and said handle for blocking movement of said handle to said ON position of said apparatus.
Dependencies are inferred from the claim text.