Safety closing system for shaft door panel of an elevator installation, and elevator installation with shaft door panel, which comprises such a safety closing system
AssigneeInventio AG
InventorNijs Wernas
Life of this patent
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Abstract
A safety closing system for a shaft door panel of an elevator installation brings the shaft door panel into a closed setting in the absence of an opening force. The safety closing system includes a spring which is stressed in the open setting of the shaft door panel and a drive mass which is subject to gravitational force, the spring and mass being coupled by a flexible tension element with the shaft door panel.
Claims13
A safety closing system for a shaft door panel of an elevator installation, in order to bring the shaft door panel into a closed setting in the absence of an opening force, the safety closing system comprising:
- a helical tension spring adapted to be stressed in an open setting of the shaft door panel;
- a drive mass subject to gravitational force;
- and
- a traction element coupling said spring and said drive mass with the shaft door panel, wherein said helical tension spring forms a vertical guideway for said drive mass.
An elevator installation comprising:
- a shaft door panel mounted for horizontal movement between a closed setting and an open setting:
- a helical tension spring connected to said shaft door panel and being stressed in the open setting of said shaft door panel;
- and
- a drive mass subject to gravitational force and connected to the shaft door panel for urging said shaft door panel to the closed setting, wherein said helical tension spring forms a vertical guideway for said drive mass.
A safety closing system for a shaft door panel of an elevator installation, in order to bring the shaft door panel into a closed setting in the absence of an opening force, the safety closing system comprising;
- a spring which adapted to be stressed in an open setting of the shaft door panel;
- a drive mass subject to gravitational force;
- a traction element coupling said spring and said drive mass with the shaft door panel;
- a fixed abutment;
- and
- a fastening element attached to an end of said spring and engaging said abutment, whereby during opening movement of the shaft door panel, said drive mass contacts said fastening element and moves said fastening element away from said abutment in opposition to a force applied by said spring.
Dependencies are inferred from the claim text.