# US 4,515,336 A · Ball and socket mount for optical sensing system source and/or detector devices

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- Number: US 4,515,336 A
- Document ID: US4515336A
- Status: Granted
- Kind: A
- Application number: 06/484,859
- Filed: 1983-04-14
- Granted: 1985-05-07
- Earliest claimed: 1983-04-14
- Assignees: Opcon, Inc.
- Inventors: William H. Fischer
- Web page: https://patentgrep.com/patent/US4515336A

## CPC

- F16M 11/14: with ball-joint (ball-jointed hinges F16C11/06 {; adjustable mountings employing universal joints for lighting devices F21V21/26 - F21V21/30})
- F16C 11/0619: {the female part comprising a blind socket receiving the male part}
- G01J 1/0403: {Mechanical elements; Supports for optical elements; Scanning arrangements}
- G02B 7/00: Mountings, adjusting means, or light-tight connections, for optical elements
- F16M 2200/022: by friction
- Y10T 403/32311: Ball and socket
- Y10T 403/32639: including internal tie means
- F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A ball and socket mount (13) for supporting the housing (11) of a light source and/or detector device is disclosed. The ball and socket mount (13) includes: a ball (23) affixed to one end of the housing (11); and, a socket formed by a collar that surrounds the ball. The collar comprises two identical U-shaped pieces (31a and 31b). When joined, the two collar pieces (31a and 31b) define an aperture having a spherical inner surface that mates with the spherical outer surface of the ball (23). The ball (23) includes a circumferential groove (29) oriented so as to be surrounded by the collar. A pair of mounting bolts (39) pass through the aligned holes in the collar pieces and the groove. The width of the groove (29) is substantially greater than the diameter of the bolts (39). As a result, the ball (23) and, thus, the photoelectric device is alignable in three dimensions when the bolts are loose. Specifically, the groove ( 29) allows rotation through 360.degree. in one plane and the size difference between the groove (29) width and the bolt diameter allows angular rocking motion or canting in two other planes orthogonal to one another and both orthogonal to the plane of rotation. When the desired (optically aligned position is reached, the bolts (39) are tightened to lock the housing in position. The ball includes a threaded central aperture for attachment to the end of an electrical conduit and the distance between the pair of mounting bolts is that required by industry standards.

## Claims

### Claim 1

A ball and socket mount for a component for an optical sensing system such as a source and/or detector device comprising:
a ball affixed to the component to be mounted, said ball having a circumferential groove; and,
a collar surrounding said ball, said collar including a pair of spaced apart, parallel holes suitable for receiving mounting bolts, said holes positioned such that said circumferential groove in said ball can be aligned with said holes so as to allow said mounting bolts to pass through a portion of said groove as well as said holes.

### Claim 2 (depends on 1)

A ball and socket mount as claimed in claim 1 wherein said component is mounted in a housing and wherein said ball is integral with said housing.

### Claim 3 (depends on 2)

A ball and socket mount as claimed in claim 2 wherein said collar is formed of two U-shaped pieces, said two U-shaped pieces joining one another at the outer ends of the legs of said U-shaped pieces.

### Claim 4 (depends on 3)

A ball and socket mount as claimed in claim 3 wherein the surface defined by the aperture created by said joined U-shaped pieces is spherical and mates with the spherical surface of said ball.

### Claim 5 (depends on 4)

A ball and socket mount as claimed in claim 4 including pin and hole alignment means formed in the tips of the legs of said two U-shaped pieces.

### Claim 6 (depends on 5)

A ball and socket mount as claimed in claim 5 wherein said two U-shaped pieces are identical.

### Claim 7 (depends on 6)

A ball and socket mount as claimed in claim 6 wherein said ball and said U-shaped pieces are each formed entirely of a relatively rigid plastic.

### Claim 8 (depends on 1)

A ball and socket mount as claimed in claim 1 wherein said collar is formed of two U-shaped pieces, said two U-shaped pieces joining one another at the outer ends of the legs of said U-shaped pieces.

### Claim 9 (depends on 8)

A ball and socket mount as claimed in claim 8 wherein the surface defined by the aperture created by said joined U-shaped pieces is spherical and mates with the spherical surface of said ball.

### Claim 10 (depends on 9)

A ball and socket mount as claimed in claim 9 including pin and hole alignment means formed in the tips of the legs of said two U-shaped pieces.

### Claim 11 (depends on 10)

A ball and socket mount as claimed in claim 10 wherein said two U-shaped pieces are identical.

### Claim 12 (depends on 11)

A ball and socket mount as claimed in claim 11 wherein said ball and said U-shaped pieces are each formed entirely of a relatively rigid plastic.
