Overload release

Patent metadata

Field	Value
Publication number	US-10347454-B2
Application number	US-201715463178-A
Country	US
Kind code	B2
Filing date	Mar 20, 2017
Priority date	May 24, 2016
Publication date	Jul 9, 2019
Grant date	Jul 9, 2019

Abstract

An overload release includes a bimetallic element, a tripping slide, a latch and an energy store. In an overload situation the bimetallic element actuates the tripping slide; as a result, the tripping slide actuates the latch, and as a result, the latch allows the movement of the energy store. The latch is provided with a latch area and the energy store is provided with a latching area, the two areas mechanically interacting in the latched state and the latch area being released from the latching area in the unlatched state, when there is an overload, to allow the movement of the energy store. Further, the latch area or the latching area includes a projection.

First claim

The invention claimed is:

1. An overload release, comprising:
a bimetallic element;
a tripping slide;
a latch including a latch area; and
an energy store including a latching area, wherein in response to an overload:
the bimetallic element is configured to actuate the tripping slide;
the tripping slide is configured to actuate the latch, and
the latch is configured to allow movement of the energy store,
the latch and latching areas being configured to, in response to the overload, mechanically interact in a latched state and the latch area being configured to, in response to the overload, be released from the latching area in an unlatched state, to allow the movement of the energy store, wherein the latch area or the latching area includes a projection.

2. The overload release of claim 1 , wherein the projection is formed as a linear projection on the latch area or the latching area.

3. The overload release of claim 2 , wherein the linear projection is formed perpendicularly to a direction of movement of the latch or of the energy store.

4. The overload release of claim 1 , wherein the latch and the energy store are configured to respectively describe a circular movement around a fixed center point.

5. The overload release of claim 2 , wherein the linear projection is formed parallel to the direction of movement of the latch or of the energy store.

6. The overload release of claim 2 , wherein the latch and the energy store are configured to respectively describe a circular movement around a fixed center point.

7. The overload release of claim 3 , wherein the latch and the energy store are configured to respectively describe a movement around a fixed center point.

8. The overload release of claim 1 , wherein the projection has a defined bearing area and a longitudinal groove or depression that can collect contaminants.

Assignees

• Siemens Ag

Inventors

• Lehmann Stephan

Classifications

• H01H71/16 Primary

  with bimetal element {(combined with detection of imbalance of two or more currents H01H83/223)} · CPC title

• H01H73/50

  reset by lever · CPC title

• H01H9/20

  Interlocking, locking, or latching mechanisms · CPC title

• H01H71/505 Primary

  Latching devices between operating and release mechanism · CPC title