Fastening device
First Claim
1. A fastening device, comprising a pin-shaped fastener having an axis;
- and means for tightening and loosening said fastener, said tightening and loosening means including a first element provided with first connecting means for connecting said first element with said fastener and also provided with second connecting means, a second element provided with third connecting means cooperating with said second connecting means of said first element, said elements being formed to interact so that when at least one of said elements which does not turn on an object located outside the fastening device is turned, said elements are shifted coaxially in opposite axial directions without turning in a thread of said fastener and said fastener is displaced in an axial direction.
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Accused Products
Abstract
A fastening device comprises a pin-shaped fastener having an axis, and means for tightening and loosening the fastener, the tightening and loosening unit including one element provided with first connecting means for connecting the one element with the fastener and also provided with second connecting means, and another element provided with third connecting means cooperating with the second connecting means of the one element for connecting the other element with the one element, so that when a rotary force is applied to at least one of the elements, the elements are shifted coaxially in opposite axial directions and the fastener is displaced in an axial direction.
34 Citations
10 Claims
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1. A fastening device, comprising a pin-shaped fastener having an axis;
- and means for tightening and loosening said fastener, said tightening and loosening means including a first element provided with first connecting means for connecting said first element with said fastener and also provided with second connecting means, a second element provided with third connecting means cooperating with said second connecting means of said first element, said elements being formed to interact so that when at least one of said elements which does not turn on an object located outside the fastening device is turned, said elements are shifted coaxially in opposite axial directions without turning in a thread of said fastener and said fastener is displaced in an axial direction.
- View Dependent Claims (2, 3, 4, 5)
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6. A tightening and loosening unit for a pin-shaped fastener having an axis, comprising a first element provided with first connecting means for connecting said first element with said fastener and also provided with second connecting means;
- a second element provided with third connecting means cooperating with said second connecting means of said first element, said elements being formed to interact so that when at least one of said elements which does not turn on an object located outside the unit is turned, said elements are shifted coaxially in opposite axial directions without turning in a thread of said fastener and said fastener is displaced in an axial direction.
- View Dependent Claims (7, 8, 9, 10)
Specification