Handling: hand and hoist-line implements – Hand bars and hand barrows
Patent
1989-07-11
1990-10-23
Focarino, Margaret A.
Handling: hand and hoist-line implements
Hand bars and hand barrows
294 92, B66C 100, E04H 1532
Patent
active
049646648
ABSTRACT:
A wrench for use in the erecting of tent poles, characterized in that a tent pole of considerable height may be erected by several persons applying pressure to the individual lever arms of the wrench to thereby position the tent pole erectly. The wrench is designed for use with tent poles having a hole therethrough. The wrench has a complementary projection extending from one of its lever arms for insertion into the complimentary hole of the tent pole.
REFERENCES:
patent: 58313 (1866-09-01), Soumeillian
patent: 2427104 (1947-09-01), Hosler
patent: 4059033 (1977-11-01), Johnson
patent: 4645224 (1987-02-01), Poganski
patent: 4802391 (1989-02-01), Willhoite et al.
Focarino Margaret A.
Kramer Dean J.
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