An Improved Floor Cramp

203. Humble, W., Humble, T. S., Humble, W. H., and Humble, G. B. Jan. 4. Cramps. - The presser-bar 14 of a flooring cramp is toothed and is moved in a groove in the bed-plate 1 by two pawls 16, 17 pivoted to a rocker 18 on opposite sides of its fulcrum 20. A joist 3 is gripped between the flange 2 o...

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Bibliographische Detailangaben
Hauptverfasser:	THOMAS STRONG HUMBLE, WILLIAM HENRY HUMBLE, GEORGE BLAND HUMBLE, WILLIAM HUMBLE
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	203. Humble, W., Humble, T. S., Humble, W. H., and Humble, G. B. Jan. 4. Cramps. - The presser-bar 14 of a flooring cramp is toothed and is moved in a groove in the bed-plate 1 by two pawls 16, 17 pivoted to a rocker 18 on opposite sides of its fulcrum 20. A joist 3 is gripped between the flange 2 of the bed-plate and the eccentric serrated end of a lever 4, the axis 7 of which is adjustable and is secured in any position by a nut 10 and a bridge-piece 9. having a serrated underside to engage the serrated face of the lug 5.