Technical Knowledge Base

Upright piano components 16

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• Side
• Arm
• Cover Pinblock
• Grip Handle
• Soundboard

Cutaway view of a upright 51

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• Bottom door / bottom frame
• Bottom rail, plinth / pedal rail
• Column / leg
• Toe (-block) / toe block
• Support-block / coaster block

Cutaway action of a upright 109

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• Wrest-plank/pinblock pin block
• Wrest-plank screw/ plate screw
• Wrest-pin/tuning pin
• Wrest-pin/tuning pin bushing
• String

Side components 34

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• Rim
• Key-bottom, key-bed
• Leg top-block / console
• Leg
• Leg-cup and castor / caster with legferrule

Bottom components 30

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• (Outer) rim
• Sound-board, sounding-board, belly
• Serial number
• (Belly-)bars, ribs
• Sound(-)board buttons

Top components 31

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• (Iron)Frame
• Pillar-bolts
• (Iron-)frame screws
• Nameplate
• String bearing(-)felt

Cutaway action of a grand piano 118

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• (Outer)rim
• Lock pull-down and sleeve
• fall (board), damping spring
• fall (board)
• Key- or cheek-block