Patents by Inventor Jorma SARKKINEN

Jorma SARKKINEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11618647
    Abstract: According to an aspect, there is provided an elevator car parking brake comprising a brake carrier having a first plate and a second plate, the plates being spaced from each other and positioned to enable a guide rail to travel within the space between the plates, a caliper movably connected to the brake carrier, brake pads, and an actuator configured to move the brake pads against a guide rail in a braking operation. The elevator car parking brake further comprises at least one first compression spring arranged between the first plate of the brake carrier and a brake pad directly associated with the actuator; and at least one second compression spring arranged between the second plate of the brake carrier and the caliper, the first and second compression springs being configured to keep the brake pads substantially centered with respect to the brake carrier.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: April 4, 2023
    Assignee: Kone Corporation
    Inventors: Antti Koskinen, Antti I Maki, Jukka Turpeinen, Hilkka Hamalainen, Antti Saarelainen, Henri Wenlin, Mikko Puranen, Timo Vlasov, Jukka Penttila, Jorma Sarkkinen
  • Publication number: 20200207575
    Abstract: According to an aspect, there is provided an elevator car parking brake comprising a brake carrier having a first plate and a second plate, the plates being spaced from each other and positioned to enable a guide rail to travel within the space between the plates, a caliper movably connected to the brake carrier, brake pads, and an actuator configured to move the brake pads against a guide rail in a braking operation. The elevator car parking brake further comprises at least one first compression spring arranged between the first plate of the brake carrier and a brake pad directly associated with the actuator; and at least one second compression spring arranged between the second plate of the brake carrier and the caliper, the first and second compression springs being configured to keep the brake pads substantially centered with respect to the brake carrier.
    Type: Application
    Filed: December 30, 2019
    Publication date: July 2, 2020
    Applicant: Kone Corporation
    Inventors: Antti KOSKINEN, Antti I MAKI, Jukka TURPEINEN, Hilkka HAMALAINEN, Antti SAARELAINEN, Henri WENLIN, Mikko PURANEN, Timo VLASOV, Jukka PENTTILA, Jorma SARKKINEN