Title:
RECOIL PRESS
Document Type and Number:
WIPO Patent Application WO/2012/055396
Kind Code:
A3
Abstract:
Recoil press of a crane in the form of a gas cylinder, a piston rod engaging in a cylinder chamber of the gas cylinder being configured as a piston accumulator, the gas in the bottom space of the cylinder communicating with the gas in the piston rod and the annular space surrounding the piston rod. A sealing arrangement in a rod guide of the cylinder seals the piston rod off from the cylinder. The sealing arrangement comprises a lubricant groove extending around the rod guide via which groove the exterior of the piston rod is lubricated. The lubricant is under the gas pressure prevailing in the cylinder with a pressure transmitting element being interposed.
Inventors:
STAMMEN CHRISTIAN (DE)
Application Number:
PCT/DE2011/001897
Publication Date:
July 05, 2012
Filing Date:
October 26, 2011
Export Citation:
Assignee:
MONTAN HYDRAULIK GMBH & CO KG (DE)
STAMMEN CHRISTIAN (DE)
STAMMEN CHRISTIAN (DE)
International Classes:
B66C23/82; B66C23/92; F16F9/36
Foreign References:
| DE2733528B2 | 1980-01-03 |
Other References:
DATABASE WPI Week 200907, Derwent World Patents Index; AN 2009-B14403, XP002674425
Attorney, Agent or Firm:
BOCKERMANN KSOLL GRIEPENSTROH (Bochum, DE)
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