Watch
AssigneeIWC International Watch Co. AG
InventorsJürgen Lange, Richard Habring, Kurt Klaus, Ferdinand Speichinger
Life of this patent
Estimating the term…
Abstract
A watch, in particular a dive watch, having a movement (16) which is arranged in a watch case (12) and can be used to drive an hour hand (3) via an hour tube and a minute hand (4) via a minute tube in a fashion sweeping over a dial (1). Also present is a pressure detecting device for detecting the ambient pressure outside the watch case (12) and a display for representing the detected pressure values. There is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven.
Claims57
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of whcih a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein the mechanical depth measurement mechanism (17) has a display shaft (22) which can be rotatably driven by the pressure transducer and carries a depth hand (6) which can sweep over a depth scale 15);
- the pressure transducer is an annular spring pressure gauge with an annular Bourdon spring (19) of which one end is fastened on the watch case (12) and is connected to a measuring opening (30) and of which the other end, which can be freely swiveled radially, can drive in a movable fashion the depth measurement mechanism (17) by means of which the pivoting movement of the free end of the Bourdon spring (19) can be converted into a movement which can drive a display shaft (22) rotatably;
- and
- the end of the Bourdon spring (19) is fastened on the watch case (12) via a shaft (96) projecting radially from the watch case (12), it being possible for the shaft (96) to be adjusted in the direction of its longitudinal extent.
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of whcih a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein a measuring opening (30) in the watch case (12) is constructed such that it can be closed manually in order to connect the pressure transducer to the environment;
- and the measuring opening (30) can be closed manually by a screwed crown (11).
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein the pressure transducer is an annular spring pressure gauge with an annular Bourdon spring (19) of which one end is fastened on the watch case (12) and is connected to the measuring opening (30) and of which the other end, which can be freely swiveled radially, can drive in a movable fashion the depth measurement mechanism (17) by means of which the pivoting movement of the free end of the Bourdon spring (19) can be converted into a movement which can drive a display shaft (22) rotatably;
- the end of the Bourdon spring (19) fastened on the watch case (12) can be adjusted radially;
- and the end of the Bourdon spring (19) is fastened on the watch case (12) via a shaft (96) projecting radially from the watch case (12), it being possible for the shaft (96) to be adjusted in the direction of its longitudinal extent.
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein the pressure transducer is an annular spring pressure gauge with an annular Bourdon spring (19) of which one end is fastened on the watch case (12) and is connected to the measuring opening (30) and of which the other end, which can be freely swiveled radially, can drive in a movable fashion the depth measurement mechanism (17) by means of which the pivoting movement of the free end of the Bourdon spring (19) can be converted into a movement which can drive a display shaft (22) rotatably;
- the free end of the Bourdon spring (19) is pivotably connected via an articulated rod mechanism (28) to a lever (26) of a saw segment (25) by means of which a drive pinion (24) of the display shaft (22) can be driven rotatably;
- the articulated rod mechanism (28′) can be set in a fashion varying its length;
- the connection of the articulated rod mechanism (28′) to the lever 26 of the saw segment is guided displaceably and can be fixed in the longitudinal extent of the articulated rod mechanism (28′);
- and
- the lever 26 of the saw segment has an elongated hole (84) into which there project two guide pins (85) which are arranged on the articulated rod mechanism (28′) at a smaller spacing from one another in the longitudinal extent of the articulated rod mechanism (28′) than the length of the elongated hole (84), it being possible for a fixing screw (86) to be screwed in a fashion penetrating the elongated hole (84) into a threaded hole in the lever (26) of the saw segment, and to be pressed with its screw head on the lever (26) of the saw segment against the articulated rod mechanism (28′).
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein the pressure transducer is an annular spring pressure gauge with an annular Bourdon spring (19) of which one end is fastened on the watch case (12) and is connected to the measuring opening (30) and of which the other end, which can be freely swiveled radially, can drive in a movable fashion the depth measurement mechanism (17) by means of which the pivoting movement of the free end of the Bourdon spring (19) can be converted into a movement which can drive a display shaft (22) rotatably;
- the free end of the Bourdon spring (19) is pivotably connected via an articulated rod mechanism (28) to a lever (26) of a saw segment (25) by means of which a drive pinion (24) of the display shaft (22) can be driven rotatably;
- and a pivotably arranged spring-loaded resetting saw segment (32) engages in the drive pinion and can be applied in order to move the drive pinion (24) rotatably in the depth direction (35).
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein a non-return hand (7) indicating the maximum depth of a dive can be driven pivotably in the depth direction (35) by the pressure gauge or the depth measurement mechanism (17) or the depth hand (6);
- and the pivoting movement of the non-return hand (7) can be locked against the depth direction (35) by a releasable latching device.
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer to which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven;
- wherein a non-return hand (7) indicating the maximum depth of a dive can be driven pivotably in the depth direction (35) by the pressure gauge or the depth measurement mechanism (17) or the depth hand (6);
- the pivoting movement of the non-return hand (7) can be locked against the depth direction (35) by a releasable latching device;
- and the pivoting movement of the non-return hand (7) can be locked by a pawl-type lock;
- and
- the non-return hand shaft or the non-return hand tube (23) has a locking disk (36) with a row of teeth (37) which are arranged running around radially and in the tooth spaces of which a locking pawl (38) can engage in a locking fashion against the depth direction (35);
- and the locking pawl (38) can engage in the tooth spaces under resilient biasing.
A watch, in particular a dive watch, having a movement which is arranged in a watch case and can be used to drive an hour hand via an hour tube, and a minute hand and, if appropriate, a second hand via a minute tube in a fashion sweeping over a dial, as well as having a pressure detecting device for detecting the ambient pressure outside the watch case and a display for representing the detected pressure values, wherein there is arranged in the watch case (12) a mechanical pressure transducer in which the ambient pressure outside the watch case (12) can be applied and by means of which a mechanical depth measurement mechanism (17) of a mechanical display can be driven, wherein
- the pressure detecting device is an annular spring pressure gauge with an annular Bourdon spring (19), of which one end is fastened on the watch case (12) and of which the other end, which is freely swiveled radially, to drive in a movable fashion the depth measurement mechanism (17) by means of which a pivoting movement of the free end of the Bourdon spring (19) drives the mechanical display;
- and
- the end of the Bourdon spring (19) is fastened on the watch case (12) via a shaft (96) projecting radially from the watch case (12), it being possible for the shaft (96) to be adjusted in the direction of its longitudinal extent.
Dependencies are inferred from the claim text.