US3999873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift truck mast mounting arrangement
Assignee: Caterpillar Industrial Inc
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Filing: 1975-06-26
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Granted: 1976-12-28
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Expires: 1995-06-26
Abstract
Abstract A mounting assembly for the mast of a lift truck includes a pair of spaced apart hanger bracket members secured to the truck and including upwardly opening pivot pin receiving slots. A pair of pivot pins are rotatably supported in a pair of brackets on the mast frame and are received within the upwardly opening slots. Means are provided on the pins to prevent axial and rotational movement thereof relative to the hanger brackets. Retainer means for retaining the pins within the slots comprises a block disposed above the pin and secured to the hanger bracket by a screw accessible solely from above the pin and between the mast and truck.
Inventors
- 👤 Donald A. Green
- 👤 Milford D. McVeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:20
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/08; B66F9/082; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861; Y10T403/32877; Y10T403/32951; Y10T403/32967
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
76 words
A lift truck mast mounting assembly comprising: a hanger bracket having an upwardly opening slot formed therein; a mast mounting pivot pin having a central portion received in said slot and including means for preventing rotation of said pin relative to said hanger bracket; and retaining means comprising a removable block secured to said hanger bracket above and engaging said central portion and accessible from above said slot for retaining said pivot pin within said bracket.
Claim 2
Dependent Claim
76 words
A lift truck mast mounting assembly comprising: a hanger bracket having an upwardly opening slot formed therein; a mast mounting pivot pin having a central portion received in said slot and including means for preventing rotation of said pin relative to said hanger bracket; and retaining means comprising a removable block secured to said hanger bracket above and engaging said central portion and accessible from above said slot for retaining said pivot pin within said bracket.
Claim 3
Dependent Claim
27 words
The mounting bracket of claim 1 wherein said pivot pin central portion defines means for preventing axial movement of said pin with respect to said hanger bracket.
Claim 4
Dependent Claim
38 words
The mounting assembly of claim 1 wherein said pivot pin includes, a central portion having a substantially square cross-sectional configuration, a pair of cylindrical end portions for pivotally mounting a bracket having a pair of spaced-apart arm members.
Claim 5
Dependent Claim
80 words
A lift truck mast mounting assembly comprising: a hanger bracket having an upwardly opening slot formed therein; a mast mounting pivot pin having a central portion defining parallel faces received in said slot and engaging opposing walls of said slot for preventing rotation of said pin relative to said hanger bracket; and retaining means removably secured to said hanger bracket above and engaging said central portion and accessible from above said slot for retaining said pivot pin within said bracket.
Claim 6
Dependent Claim
80 words
A lift truck mast mounting assembly comprising: a hanger bracket having an upwardly opening slot formed therein; a mast mounting pivot pin having a central portion defining parallel faces received in said slot and engaging opposing walls of said slot for preventing rotation of said pin relative to said hanger bracket; and retaining means removably secured to said hanger bracket above and engaging said central portion and accessible from above said slot for retaining said pivot pin within said bracket.
Claim 7
Dependent Claim
28 words
The mounting bracket of claim 4 wherein said pivot pin central portion defines shoulder means for preventing axial movement of said pin with respect to said hanger bracket.
Claim 8
Dependent Claim
35 words
The mounting assembly of claim 5 wherein said central portion defines a substantially square cross-sectional configuration, and a pair of cylindrical end portions for pivotally mounting a bracket having a pair of spaced-apart arm members.
Claim 9
Dependent Claim
18 words
The mounting assembly of claim 5 wherein said retaining means comprises a removable block secured to said bracket.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-12-28 | 1980-06-28 | 1980-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-28 | 1984-06-28 | 1984-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-28 | 1988-06-28 | 1988-12-28 | $7700.00 | Window Closed / Lapsed |