Browse Prior Art Database

Shock Mount Travel-Limiting Device

IP.com Disclosure Number: IPCOM000060420D
Original Publication Date: 1986-Apr-01
Included in the Prior Art Database: 2005-Mar-08
Document File: 2 page(s) / 45K

Publishing Venue

IBM

Related People

Sheiner, L: AUTHOR [+3]

Abstract

A dish-shaped ring, mounted on top of a rubber shock mount, surrounding the protected dive anchor bolt, limits the motion of the protected device in all directions. The allowed motion is adequate to permit use of a soft rubber for maximum vibration isolation in normal use, but prevents excessive motion under high shock during shipping. Such excessive motion may permit the protected device to come into contact with covers or other members, resulting in damage. The figure shows protected device 1 secured atop the neck 2 of rubber shock mount 3 projecting from case 4 and through a clearance hole in travel-limiting device 5. Case 4 and limiting device 5 are together rigidly attached to base 6.

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Shock Mount Travel-Limiting Device

A dish-shaped ring, mounted on top of a rubber shock mount, surrounding the protected dive anchor bolt, limits the motion of the protected device in all directions. The allowed motion is adequate to permit use of a soft rubber for maximum vibration isolation in normal use, but prevents excessive motion under high shock during shipping. Such excessive motion may permit the protected device to come into contact with covers or other members, resulting in damage. The figure shows protected device 1 secured atop the neck 2 of rubber shock mount 3 projecting from case 4 and through a clearance hole in travel-limiting device 5. Case 4 and limiting device 5 are together rigidly attached to base 6. It is apparent that the maximum lateral movement 7 of device 1 is limited by neck 2, contacting the perimeter of the clearance hole in limiting device 5. It is also apparent that the maximum downward movement 8 of device 1 is limited by device 1, compressing the shock mount and bottoming against limiting device 5. It is further apparent that the maximum upward movement 9 of device 1 is limited by extension of the shock mount, bringing it into contact with the perimeter of the clearance hole in limiting device 5. It is seen that shock mount 3 is free to absorb vibration within these limits.

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