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Browse Prior Art Database

Modular Wedge Assembly

IP.com Disclosure Number: IPCOM000051939D
Original Publication Date: 1981-Apr-01
Included in the Prior Art Database: 2005-Feb-11
Document File: 2 page(s) / 43K

Publishing Venue

IBM

Related People

Scott, GW: AUTHOR

Abstract

A wedge lock assembly permits the input force to be applied equally to both ends of the assembly. The assembly can be retained in a rigid position when released by using a keeper on the shaft in conjunction with a threaded support block. The wedges may also be designed with a geometry that permits die casting the openings and the restraining surfaces for the aligning wires.

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Modular Wedge Assembly

A wedge lock assembly permits the input force to be applied equally to both ends of the assembly. The assembly can be retained in a rigid position when released by using a keeper on the shaft in conjunction with a threaded support block. The wedges may also be designed with a geometry that permits die casting the openings and the restraining surfaces for the aligning wires.

Referring to the figure, a series of alternating, oppositely disposed wedges 1 are terminated by end blocks 2 held in alignment by wires 3. A shaft 4, threaded at its lower end 5, passes through the cores of the wedges and threaded block 6 and is rotatable at socket head 7 to compress or release the wedges. The threaded end of the shaft passing through threaded block 6 extends below a mounting frame rail 8 and carries a washer 9 and keeper 10 fixed to the shaft.

Rotation of the shaft clockwise at the socket head 7 causes the shaft to enter further into block 6, moving the washer 9 and keeper 10 further below rail 8. This action compresses the wedges causing them to move laterally and grip circuit panels 11. Rotation of the socket head in the opposite direction raises the shaft, causing the keeper to engage the rail between block 6 and washer 9, retaining the shaft in a rigid vertical position. The wedges are released, allowing the panels to be removed.

Wedges 1 and end blocks 2 are cast with fixed cores to form a rectangular opening 12 for shaft 4 and rectangular slots 1...