# US 8,540,502 B2 · Adjustable shoe mold set

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- Number: US 8,540,502 B2
- Document ID: US8540502B2
- Status: Granted
- Kind: B2
- Application number: 13/004,939
- Filed: 2011-01-12
- Published: 2011-07-21
- Granted: 2013-09-24
- Earliest claimed: 2010-01-19
- Applicants: Ming Te Chen
- Inventors: Ming Te Chen
- Web page: https://patentgrep.com/patent/US8540502B2

## CPC

- A43D 3/02: Lasts for making or repairing shoes (making of wooden lasts B27M3/20)
- B29D 35/0027: {Last constructions; Mountings therefor}
- B29D 35/0072: {Last constructions; Mountings therefor}
- A43D: MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- B29D: PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00)

## Abstract

A shoe mold set includes a mold, a movable block and an adjustment unit. The mold is connected to the movable block, and both are slidably between two rail members of the replacement unit. The replacement unit is connected with the adjustment unit which is adjustably located between the top board and the bottom board of the replacement unit. The mold is micro-adjustable by operation of the adjustment unit.

## Claims

### Claim 1

A shoe mold set comprising:
a mold and a movable block;
a replacement unit including two rail members, a top board and a bottom board, the top and bottom boards being connected with an adjustment unit, and
the adjustment unit having a first rod, a second rod and an adjustment member, the first and second rods being threadedly and respectively connected to a first hole of the top board and a second hole of the bottom board, the adjustment member being threadedly connected between the first and second rods, wherein the top board is between the movable block and the bottom board.

### Claim 2 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the mold and the movable block are integrally formed with each other.

### Claim 3 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the movable block includes a notch and a side hole.

### Claim 4 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the replacement unit includes a stop member connected thereto.

### Claim 5 (depends on 4)

The shoe mold set as claimed in claim 4, wherein the stop member is integrally formed on the top board, or connected to the top board.

### Claim 6

The shoe mold set as claimed in claim1, wherein the two adjustment members each have a through hole and one of the movable members has a path defined therethrough, two positioning units are respectively located in the two through holes and an engaging pin extends through the path.

### Claim 7 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the rail members and the top board are integrally formed with each other, or the replacement unit is connected to the top board.

### Claim 8 (depends on 1)

The shoe mold set as claimed in claim 1, further including a location mechanism comprising positioning pins extending through positioning holes and engaged with fixing holes of the rail members to fix the rail members on the top board.

### Claim 9 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the top board includes a first contacting hole defined therein and a first piece is received in the first contacting hole so as to position the first rod.

### Claim 10 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the bottom board includes a second contacting hole defined therein and a second piece is received in the second contacting hole so as to position the second rod.

### Claim 11 (depends on 1)

The shoe mold set as claimed in claim 1, wherein the adjustment member includes side apertures and fixing members are located in the side apertures to position the adjustment unit.