Carriage brake for a storage and retrieval machine
US5141081A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1990 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Oct 15, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/07
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A brake for the carriage of a storage and retrieval machine having a mast on which the carriage is mounted and on which the carriage moves in vertical directions for carrying objects to and from storage locations adjacent to the mast. A carriage drive including a rope connected to the carriage is provided for raising and lowering the carriage to and from positions adjacent the storage locations. The rope is connected under tension to the carriage and the tension is released when the rope becomes slack. The brake is mounted on the carriage and includes an actuating member and a resilient member movable into engagement with the actuating member in response to release of tension of the rope to move the actuating member along a predetermined path. The brake further includes a brake cam having an actuating section in the path of the movement of the actuating member and a toothed braking section adjacent to and spaced from the mast. The brake cam is pivotally movable into engagement with the mast along the braking section in response to engagement of the actuating section with the actuating member. As a result braking force is applied to the mast to brake the movement of the carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.