DE9301529U1 - Frame for telescope glasses or telescope magnifying glasses - Google Patents

Description

Description: 93008 G

Frame for telescope glasses or telescope magnifying glasses

The invention relates to a frame for telescope spectacles or telescope magnifying glasses.

Telescope glasses and telescope magnifying glasses have been around for a long time. Normal glasses frames are used as frames for the optics. Glass panes are inserted into these glasses frames as system carriers. The glass panes usually have a round hole in which the optics are attached.

There are also measuring glasses into which telescope optics can be inserted. However, these have so many edges and hooks that their use in everyday work is not sensible.

It is the object of the invention to create a frame for telescope glasses or telescope magnifying glasses, which enables a quick change between use and non-use of the glasses without having to remove the glasses.

This problem is solved by the characterizing part of the first patent claim.

The frame according to the invention for telescope glasses or telescope magnifying glasses allows a tilting movement of the optics of the telescope(s). Since the joint has several holding positions, the optics of the telescope can also be brought into the correct position for each activity and fatigue-free wearing of the frame by the wearer is thus ensured, even if the activity changes.

The frame advantageously has the option of changing the pupil distance. This makes it easier for several people to use the glasses. This is also made possible by a

The nose pad is adjustable in height, which is designed in such a way that it cannot accidentally fall off the frame.

By advantageously providing a second joint with a vertical axis of rotation on the frame, the ear hooks attached to it can be folded up. This makes it easier to take the glasses with you when you move and also prevents the ear hooks from being damaged when you move, as they are better secured when folded up.

By attaching a headband to the temples, you can ensure that the glasses do not fall off even when you move your head quickly.

When the term telescope glasses is used below, this is to be understood as both telescope glasses as such and telescope magnifying glasses.

The invention is explained in more detail below with reference to the accompanying figures, which are not exhaustive of the invention and contain further advantageous embodiments of the invention.

You can see it in:

Figure 1 shows a frame according to the invention for telescope glasses in plan view;

Figure 2 is a side view of the glasses from Figure 1; Figure 3 is a front view of the glasses from Figure 1; Figure 4 is a detailed view of the tilting joint; and

Figure 5 is a detailed view of an arrangement for a nose pad support.

The telescope glasses (1) shown in Figure 1 have a crossbar (la) which is oriented in its longitudinal direction across the forehead of a wearer. At each of the lateral ends, this crossbar (la) has a rearward-facing extension (29). At the ends, each extension (29) merges into an ear hook attachment (13). Between the extension (29) and the ear hook attachment (13) there is a locking joint (14) with several holding positions, which can be seen in detail in Figure 4 and will be described in more detail later.

The ear hook attachment (13) is currently connected to a bracket (17) to which one end of a back of the head strap (20) is attached.

The axis of rotation (18) of the joint between the earpiece attachment (13) and the temple (17) is oriented perpendicular to the longitudinal axis of the temple (17) and allows the temple (17) to rotate along a rotational movement line (30) so that the glasses (1) can be folded up.

The cross member (la) is drawn in Figure 1 so that you can see into it. In the cross member (la) there is a round spindle (6) which is oriented in the longitudinal direction of the cross member (la). This spindle (6) can be turned by one of the two knurled nuts (7).

There are two extensions (5) on the spindle (6). These extensions (5) are tubular with a round inner diameter in which a thread is incorporated. This thread of the extensions (5) engages with a thread on the spindle (6). The thread on the spindle (6) is split in two. On the left side, the spindle (6) has a left-hand thread and on the right half of the spindle a right-hand thread. If you now move one of the two knurled nuts (7) firmly connected to the spindle (6), the two extensions (5) either move evenly towards each other or away from each other, depending on the direction in which you move the knurled nuts.

The movement of the extensions (5) is rigidly transmitted to the two telescope optics (3) attached to the extensions (5), so that the pupil distance can be adjusted by the wearer of the telescope glasses (1) himself.

Another knurled nut (10) protrudes upwards from the cross member (la), with which a nose support can be adjusted in height. This is explained in more detail below using Figure 3.

Figure 2 shows the telescope glasses (1) in a side view.

A telescope optics (3) is held by a round system carrier (2), which is designed as a round circular ring. The telescope optics (3) are attached to the system carrier (2) by a round open circular ring (3a), which is screwed onto the back of the telescope optics (3) after the telescope optics (3) has been pushed through into the system carrier (2).

A retaining web (4) is attached to the system carrier (2), which is firmly connected at its upper end to an extension (5; see Figure 1) which is movably attached to the spindle (6) with the spindle axis (6a). The rotation of the spindle (6) takes place by turning a knurled nut (7) which is firmly connected to the spindle (6) and which protrudes from the cross member (la).

Between the extension (29) of the cross member (la) and the ear hook attachment (13) is the locking joint (14) with several holding positions, which will be explained in more detail later with reference to Figure 4. At the ear-side end of the ear hook attachment

(13) is formed with a joint part (15). The joint part (15) engages with a correspondingly shaped joint part (16) on the bracket (17). The joint consisting of the two joint parts (15, 16) with a vertical axis of rotation (18) allows a

Fold up the temples (17) when the telescope glasses (1) are not in use.

At the rear, ear-side end of the bracket (17) there is a fastening device (19) for the back of the head strap (20), which enables the back of the head strap (20) to be attached to the bracket (17) in a rotatable manner.

The knurled nut (10) protrudes upwards from the cross member (la) for adjusting the nose support (not shown here), which is guided in an extension (12) attached under the cross member (la). This is explained in more detail below with reference to Figure 3.

Figure 3 shows the telescope glasses (1) in a frontal view. The two telescope optics (3) are attached to the two system carriers (2). A holding bar (4) is firmly connected to one end of each system carrier (2). At its other end, each holding bar (4) has a tubular extension (5) with an internal thread.

A spindle (6) with an external thread protrudes through the extensions (5), whereby the left half of the spindle has a left-hand thread and the right half of the spindle has a right-hand thread. Two knurled nuts (7) are firmly connected to the spindle (6), which protrude from the cross member (la). By turning at least one of the knurled nuts (7), the spindle (6) is rotated. By turning the spindle (6), the two extensions (5) attached to it move evenly towards or away from the center.

The knurled nut (10) mentioned above protrudes upwards from the cross member (la), which is firmly connected to a threaded rod (9) that protrudes downwards. This threaded rod (9) protrudes into an opening with a corresponding internal thread on the nose rest support (8). The height of the nose rest support (8) can be changed by turning the knurled nut (10).

The nose pad support (8) is rectangular at its upper end (8c) and has a widening (8a) at its lower end to provide a larger contact surface on the nose of the wearer. At the bottom of this widening (8a) there is a silicone cushion (8b), which is intended to contribute to a pleasant pressure distribution between the nose pad support (8) and the nose of the wearer.

The upper end (8c) of the nose support (8) is guided by a lower extension (12) on the cross member (la). The rectangular shape of the upper end (8c) ensures that the raising and lowering movement of the nose support (8) does not lead to a rotational movement of it.

The lower extension (12) on the cross member (la) has an inner opening whose inner diameter is larger than the outer diameter of the upper end (8c) of the nose support carrier (8). At the lower end of the inner opening of the extension (12), the inner opening tapers and has an inner diameter which almost corresponds to the outer diameter of the upper end (8c) of the nose support carrier (8) and thus enables a sliding movement of the nose support carrier (8) up and down without the nose support carrier (8) rotating.

In the middle part of the upper end (8c) of the nose pad support (8) there is a thickening (11) which has an outer diameter which is only slightly smaller than the inner diameter of the lower extension (12) but is larger than the taper at the lower end of the inner diameter of the lower extension (12).

This thickening (11) defines the lower adjustment range of the nose pad support (8) and ensures that the nose pad support (8) cannot fall off the telescope glasses (1).

Figure 4 shows the locking joint (14) between the lateral extensions (29) of the cross member and the ear hook attachments (13) in detail.

In the ear hook attachment (13) at the frame end there is a recess (23), the ear side of which has a notch (22). A wedge-shaped extension (24) of the extension (29) of the cross member protrudes into this recess (23). On this extension (24) there is a notch (25) which fits into the notch (22) of the recess (23). Both parts, the ear hook attachment (13) and the extension (29) of the cross member, have a common fastening axis (21) around which they (13, 29) can be rotated against each other.

The extension (29) also has a recess (27) in which a leaf spring (28) is inserted. An inwardly projecting pin (26) on the extension (24) presses lightly against this leaf spring (28) when the two catches (22, 25) are engaged. The extension (24) with the inwardly projecting pin (26) are connected to the extension (29) via lateral, elastic fastening webs (31).

When the ear hook attachment (13) moves relative to the extension (29) of the cross member, the extension (24) is pushed inwards and the pin (26) deforms the leaf spring (28) more. As soon as the peak of a grid peak of the grid (22) is overcome, the leaf spring (28) presses the grid (25) on the extension (24) back into the opposite grid (22) of the ear hook attachment via the pin (26), so that movement is only possible with the application of force. This application of force must be such that the cross member with the telescope optics attached to it cannot accidentally move into another grid position.

Figure 5 shows another variant for adjusting the height of the nose pad support (45).

On the cross member (40), in which the spindle (41) runs for lateral positional changes of the telescope optics, there is an extension (43) with an inner opening (48). This opening (48) has such a large inner diameter that the nose rest support (45) with the end thickening (47) can easily move in it. The nose rest support (45) consists of a body (46) which ensures a broad rest on the nose of the spectacle wearer. On this body (46) a rectangular extension (49) protrudes vertically upwards, at the end of which is the thickening (47).

The opening (48) tapers at its lower end so that the thickening (47) attached to the extension (49) cannot fall out of the extension (43).

A spindle (42) protrudes from the extension (49) and can be moved axially using a knurled screw (44). This spindle (42) is firmly connected to the extension (49). By turning the knurled screw (44) which protrudes from the extension (43), the spindle (42) can now be moved up or down, whereby the nose rest support (45) moves up or down at the same time.

Claims (5)

nclaims: 1. Telescope glasses, characterized in that the telescope glasses have at least one fastening system for attachment of at least one telescope lens, that a crossbar is provided along the forehead of the wearer of the telescope glasses, that an earpiece attachment pointing backwards, in the direction of the ears of the wearer, is attached to the lateral ends of the crossbar, and that a joint with several holding positions is attached between the crossbar and the earpiece attachment, which enables a tilting movement of the crossbar. 2. Telescope glasses according to claim 1, characterized in that two system carriers are attached to the telescope glasses for fastening a telescope optic for each eye of a wearer of the telescope glasses, that a holding bar is present on each system carrier, the system carrier being attached to the lower end of the holding bar, that the holding bar projects into the cross member with its upper end, that an extension in the longitudinal direction of the cross member is attached to the upper end of the holding bar, that a threaded opening is attached in the extension, that at least one spindle with a thread matching the extension is screwed into the threaded opening, that the at least one spindle is completely enclosed by the cross member and is mounted in a rotating manner in it, that at least one knurled nut firmly connected to this spindle is attached to the at least one spindle, and that the knurled nut projects out of the housing of the cross member. 3. Telescope glasses according to claim 1 or 2, characterized in that in the middle of the longitudinal direction of the cross member a nose support is attached downwards from this, that a threaded rod is attached to the nose support at its upper end facing away from the nose, that a knurled nut is attached to the threaded rod is attached, that the knurled nut protrudes from the housing of the cross member, that an annular thickening is attached to the nose support support, that a vertical opening is attached in the lower part of the cross member, the diameter of which allows movement of the nose support support perpendicular to the longitudinal direction of the cross member, and that a taper is attached to the lower end of the opening, which prevents the thickening of the nose support support from sliding out of the vertical opening of the cross member. 4. Telescope glasses according to one of claims 1-3, characterized in that a first joint part of a joint is attached to the ear-side end of the earpiece attachment, that a temple reaching up to the ears of the wearer is present on both sides of the telescope glasses, that a second joint part of the joint is attached to each temple at its end facing the cross member, and that a vertical axis of rotation is present in the joint, which allows the two temples to be folded together. 5. Telescope glasses according to claim 4, characterized in that a fastening device for a back of the head strap is attached to the ear-side end of each temple.