Title:
ボルト張力付与方法及びボルトを張力装置へ連結させる装置
Document Type and Number:
Japanese Patent JP4913731
Kind Code:
B2
Abstract:
Axially expandable spacers (51, 53) are insertable between a nut (20), on a bolt (19) to be tensioned, and a face (F) on a component (C) and have ramp faces (52, 54) to take up the space as the bolt (19) is tensioned by an hydraulic tensioner (25), where the puller bar (35) is engaged with an extension (121) on the nut (120). A segmented collar (60) has radially movable segments (61) to allow quick engagement/release between the puller bar (35) and the end of the bolt (19) on the nut (120).
Inventors:
BUCKNELL,John Wentworth
Application Number:
JP2007515742A
Publication Date:
April 11, 2012
Filing Date:
June 17, 2005
Export Citation:
Assignee:
BUCKNELL,John Wentworth
International Classes:
B25B29/02
Domestic Patent References:
| JP2004286022A | ||||
| JP825244A | ||||
| JP8243945A | ||||
| JP5924273U |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda