# US 4,391,475 A · Column insert bearing housing

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- Number: US 4,391,475 A
- Document ID: US4391475A
- Status: Granted
- Kind: A
- Application number: 06/229,964
- Filed: 1981-01-30
- Granted: 1983-07-05
- Earliest claimed: 1981-01-30
- Assignees: Ingersoll-Rand Company
- Inventors: Arthur C. Reph
- Web page: https://patentgrep.com/patent/US4391475A

## CPC

- F04D 29/044: Arrangements for joining or assembling shafts
- F04D 13/10: adapted for use in mining bore holes
- F04D 29/061: {especially adapted for liquid pumps}
- F16C 35/02: in the case of sliding-contact bearings
- F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02)
- F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS

## Abstract

A column and bearing assembly having a column, a shaft in the column and a guide bearing means disposed in the column to support the shaft.

## Claims

### Claim 1

A column and bearing assembly comprising:
a. a column having a side with an opening and an inside surface;
b. a shaft in the column; and
c. a guide bearing means disposed in the column to support the shaft, the guide bearing means comprising:
(1) a removable housing having a size enabling insertion through the opening in the column and extending into the column, the housing having a first surface contacting the inside surface of the column;
(2) a wear surface for enclosing and supporting the shaft; and
(3) a locking means for attaching and receiving the guide bearing means within the opening to the column.

### Claim 2 (depends on 1)

A column and bearing assembly according to claim 1 wherein the housing has a first section contoured to fit against the inside surface of the column.

### Claim 3 (depends on 1)

A column and bearing assembly according to claim 1 wherein the column further comprises a second opening opposite the first opening.

### Claim 4 (depends on 1)

A column and bearing assembly according to claim 1 wherein the locking means comprises a T-slot in the housing and a first and second wedge insertable into said T-slot.

### Claim 5 (depends on 4)

A column and bearing assembly according to claim 4 comprising a pin insertable between said first and second wedges having a size selected to separate said wedges by a selected amount.

### Claim 6 (depends on 5)

A column and bearing assembly according to claim 5 wherein said wedges have surfaces contoured to engage the inside surface of the column upon insertion of said pin.

### Claim 7

A column and bearing assembly comprising:
a column having an inside surface;
a shaft in the column; and
a guide bearing means disposed in the column to support the shaft, the guide bearing means comprising:
a housing extending into the column, the housing having a first surface contacting the inside surface of the column;
a wear surface for the shaft; and
a locking means for attaching the guide bearing means to the column;
wherein the column has a first hole to allow insertion of the housing.