Holder for rotary pad

Apparatus (33) for mounting a pad (30) to a rotary floor machine (10) includes an internally threaded drive collar (35) mounted in coaxial relation with a drive shaft, the teeth of the thread (40) on the collar having a sawtooth profile with an inclined lead-in surface (44) and a holding surface (45...

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Bibliographische Detailangaben
Hauptverfasser:	SMITH, RONALD JAMES, MCLEOD, RICK, LABRADOR, GRACE DALUMPINES, PALMER, GARY EDWARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COFFEE MILLS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING ENGINEERING ELEMENTS AND UNITS FURNITURE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING SPICE MILLS SUCTION CLEANERS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Apparatus (33) for mounting a pad (30) to a rotary floor machine (10) includes an internally threaded drive collar (35) mounted in coaxial relation with a drive shaft, the teeth of the thread (40) on the collar having a sawtooth profile with an inclined lead-in surface (44) and a holding surface (45). A retainer member (35) in the form of a flanged collar has a cylindrical insert (49) with a plurality of tabs (52) capable of flexing inwardly, the flex tabs being spaced about the insert and having external thread segments (56), the teeth of which also have a sawtooth profile, for matching engagement with the internal threads of the drive collar. The retainer insert is assembled by pushing it into the drive collar. The lead-in surfaces (44,57) of the matching threads (40,56) cam the flex tabs (52) inwardly during assembly so that the sawtooth threads ride over one another. The radial holding surfaces engage to provide substantial holding force for the center (31) of the pad (30) which is clamped between the flanges of the drive collar and the retainer member.