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US 11,892,500 B2Granted
Elevator unit for transferring tray and test handler including same
AssigneeSemes Co., Ltd.
InventorsJin Ho Kang, Joo Hyun Seo
Life of this patent
Estimating the term…
Abstract
An elevator unit for transferring a tray includes a tray guide block on which a tray is seated, a wrapping connector driving member configured to elevate and lower the tray guide block, a fixed fastener connected to the tray guide block, and a corrective fastener connected to the wrapping connector driving member and configured to rotatably coupled to the fixed fastening member.
Claims20
An elevator unit for transferring a tray, the elevator unit comprising:
- a tray guide block on which a tray is seated;
- a wrapping connector driving member configured to elevate and lower the tray guide block;
- a fixed fastener connected to the tray guide block;
- and
- a corrective fastener connected to the wrapping connector driving member and configured to rotatably coupled to the fixed fastener.
2 more elements
An elevator unit for transferring a tray, the elevator unit comprising:
- a first tray guide block on which the tray is seated;
- a second tray guide block on which the tray is seated and which is positioned above the first tray guide block in a height direction;
- a first wrapping connector driving member connected to a side surface of the first tray guide block to elevate and lower the first tray guide block;
- a second wrapping connector driving member spaced apart from the first wrapping connector driving member in a horizontal direction and connected to a side surface of the second tray guide block to elevate and lower the second tray guide block;
- a fixed fastener mounted to each of the first tray guide block and the second tray guide block;
- and
- a compensation fastener mounted on each of the first wrapping connector driving member and the second wrapping connector driving member, connected to the fixed fastener corresponding thereto, and rotating around the fixed fastener corresponding thereto as a center so that a direction of force applied to each of the first tray guide block and the second tray guide block according to a movement direction of each of the first wrapping connector driving member and the second wrapping connector driving member is corrected.
4 more elements
Dependencies are inferred from the claim text.