4. Supports
  5. Resilient support
  6. Adjustable preloading of resilient means

Charles C. Pergler

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Chair control

Supports – Resilient support – Adjustable preloading of resilient means
Patent

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Chair control tension adjustment assembly

Supports – Resilient support – Adjustable preloading of resilient means
Patent

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Chair seat adjustment assembly

Chairs and seats – Movable bottom – Tiltable
Patent

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Posture iron with safety stop

Chairs and seats – Back movement resiliently opposed in operating position – Constantly oriented during up-and-down movement
Patent

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Safety latch and drawer movement sequencing control arrangement

Supports: cabinet structure – Gang-bar type locking or latching means – Concealed
Patent

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Profile ID: LFUS-PAI-P-1086253

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