STEEL PUMP JACK WITH SAFETY LATCH AND METHOD

A steel pump jack comprises two side supports with a formed flange along each edge of the side supports; two platform supports with a formed flange along each edge of the platform supports; a platform extension support with formed flanges along each edge of the platform extension support; a lower sh...

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Bibliographische Detailangaben
Hauptverfasser:	BEGGS, ROBERT D, LATIMER, BRETT A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE ELEVATORS ESCALATORS OR MOVING WALKWAYS FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING PERFORMING OPERATIONS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING TRANSPORTING
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Beschreibung
Zusammenfassung:	A steel pump jack comprises two side supports with a formed flange along each edge of the side supports; two platform supports with a formed flange along each edge of the platform supports; a platform extension support with formed flanges along each edge of the platform extension support; a lower shackle assembly and an upper shackle assembly with foot pump and boot strap. The steel pump jack also contains a formed crank handle for lowering the steel pump jack down a wood pole and a brake system having a foot lever that can be depressed using a foot. Un chevalet de pompage en acier comporte deux supports latéraux dotés d'une bride formée le long de chaque rebord des supports latéraux; deux supports de plateforme dotés d'une bride formée le long de chaque rebord des plateformes de support; un support d'extension de plateforme doté de brides formées le long de chaque rebord du support d'extension de plateforme; un dispositif de manille inférieur et un dispositif de manille supérieur dotés d'une pompe à pied et d'une sangle pour botte. Le chevalet de pompage en acier comporte également une manivelle permettant d'abaisser le chevalet de pompage en acier le long d'un montant en bois et un système de freinage comportant un levier de pied qui peut être abaissé à l'aide du pied.