Inventio Ag

Mischa Salvenmoser

Erich Bütler

Romeo Lo Jacono

A method for forming and smoothing a hollow-profile guide rail of an elevator system uses a smoothing apparatus to smooth mutually opposing surfaces on a hollow-profile guide rail. The smoothing apparatus includes a guide device, a removal device and a pressing device. The guide device has rollers for moving in a low-friction manner in a longitudinal direction along a first of the opposing surfaces and to thus guide the smoothing apparatus along the first surface. The pressing device has spring elements to press the removal device away from the guide device and toward a second of the opposing surfaces. The removal device has a rasp element to remove material from the second surface during a movement in the longitudinal direction along the second surface.

Method for forming and smoothing a hollow-profile guide rail of an elevator system

A brake device for a traveling body of an elevator installation brakes on a rail having first and second braking profiles. The brake device includes a forcing element and a counter-support. The forcing element has first and second forcing working faces for acting on the first and second profiles respectively. The counter-support has a first counter-support working face for acting on the first profile, and a second counter-support working face for acting on the second profile. The first forcing working face and the first counter-support working face are arranged opposite one another at the first profile and the second forcing working face and the second counter-support working face are arranged opposite one another at the second profile. The forcing element is spread to bring the first forcing working face into contact with the first profile and the second forcing working face into contact with the second profile.

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Hitzkirch, Switzerland

Mischa Salvenmoser